diff --git a/app/controllers/api/v1/aspects_controller.rb b/app/controllers/api/v1/aspects_controller.rb
index 2a73a73e0..dd09ea497 100644
--- a/app/controllers/api/v1/aspects_controller.rb
+++ b/app/controllers/api/v1/aspects_controller.rb
@@ -3,12 +3,12 @@
 module Api
   module V1
     class AspectsController < Api::V1::BaseController
-      before_action only: %i[index show] do
-        require_access_token %w[read]
+      before_action except: %i[create update destroy] do
+        require_access_token %w[contacts:read]
       end
 
       before_action only: %i[create update destroy] do
-        require_access_token %w[read write]
+        require_access_token %w[contacts:modify]
       end
 
       def index
diff --git a/app/controllers/api/v1/base_controller.rb b/app/controllers/api/v1/base_controller.rb
index 7e0f5137e..d7c5f350c 100644
--- a/app/controllers/api/v1/base_controller.rb
+++ b/app/controllers/api/v1/base_controller.rb
@@ -52,6 +52,14 @@ module Api
       def time_pager(query)
         Api::Paging::RestPaginatorBuilder.new(query, request).time_pager(params)
       end
+
+      def private_read?
+        access_token? %w[private:read]
+      end
+
+      def private_modify?
+        access_token? %w[private:modify]
+      end
     end
   end
 end
diff --git a/app/controllers/api/v1/comments_controller.rb b/app/controllers/api/v1/comments_controller.rb
index 7b00151c4..d147a664d 100644
--- a/app/controllers/api/v1/comments_controller.rb
+++ b/app/controllers/api/v1/comments_controller.rb
@@ -3,12 +3,12 @@
 module Api
   module V1
     class CommentsController < Api::V1::BaseController
-      before_action only: %i[index report] do
-        require_access_token %w[read]
+      before_action do
+        require_access_token %w[interactions public:read]
       end
 
       before_action only: %i[create destroy] do
-        require_access_token %w[write]
+        require_access_token %w[interactions public:modify]
       end
 
       rescue_from ActiveRecord::RecordNotFound do
@@ -29,6 +29,7 @@ module Api
       end
 
       def index
+        find_post
         comments_query = comment_service.find_for_post(params[:post_id])
         params[:after] = Time.utc(1900).iso8601 if params.permit(:before, :after).empty?
         comments_page = time_pager(comments_query).response
@@ -37,6 +38,7 @@ module Api
       end
 
       def destroy
+        find_post
         if comment_and_post_validate(params[:post_id], params[:id])
           comment_service.destroy!(params[:id])
           head :no_content
@@ -46,6 +48,7 @@ module Api
       end
 
       def report
+        find_post
         post_guid = params.require(:post_id)
         comment_guid = params.require(:comment_id)
         return unless comment_and_post_validate(post_guid, comment_guid)
@@ -94,9 +97,19 @@ module Api
         @comment_service ||= CommentService.new(current_user)
       end
 
+      def post_service
+        @post_service ||= PostService.new(current_user)
+      end
+
       def comment_as_json(comment)
         CommentPresenter.new(comment).as_api_response
       end
+
+      def find_post
+        post = post_service.find!(params[:post_id])
+        return post if post.public? || private_read?
+        raise ActiveRecord::RecordNotFound
+      end
     end
   end
 end
diff --git a/app/controllers/api/v1/contacts_controller.rb b/app/controllers/api/v1/contacts_controller.rb
index f72c68805..2a1f1bda3 100644
--- a/app/controllers/api/v1/contacts_controller.rb
+++ b/app/controllers/api/v1/contacts_controller.rb
@@ -5,12 +5,12 @@ require "api/paging/index_paginator"
 module Api
   module V1
     class ContactsController < Api::V1::BaseController
-      before_action only: %i[index] do
-        require_access_token %w[read]
+      before_action except: %i[create destroy] do
+        require_access_token %w[contacts:read]
       end
 
       before_action only: %i[create destroy] do
-        require_access_token %w[read write]
+        require_access_token %w[contacts:modify]
       end
 
       rescue_from ActiveRecord::RecordNotFound do
diff --git a/app/controllers/api/v1/conversations_controller.rb b/app/controllers/api/v1/conversations_controller.rb
index 99659f040..e25863c9a 100644
--- a/app/controllers/api/v1/conversations_controller.rb
+++ b/app/controllers/api/v1/conversations_controller.rb
@@ -5,12 +5,8 @@ module Api
     class ConversationsController < Api::V1::BaseController
       include ConversationsHelper
 
-      before_action only: %i[create index show] do
-        require_access_token %w[read]
-      end
-
-      before_action only: %i[create destroy] do
-        require_access_token %w[read write]
+      before_action do
+        require_access_token %w[conversations]
       end
 
       rescue_from ActiveRecord::RecordNotFound do
diff --git a/app/controllers/api/v1/likes_controller.rb b/app/controllers/api/v1/likes_controller.rb
index 46525b951..a9e48c4fe 100644
--- a/app/controllers/api/v1/likes_controller.rb
+++ b/app/controllers/api/v1/likes_controller.rb
@@ -3,12 +3,8 @@
 module Api
   module V1
     class LikesController < Api::V1::BaseController
-      before_action only: %i[show] do
-        require_access_token %w[read]
-      end
-
-      before_action only: %i[create destroy] do
-        require_access_token %w[write]
+      before_action do
+        require_access_token %w[interactions public:read]
       end
 
       rescue_from ActiveRecord::RecordNotFound do
@@ -16,10 +12,12 @@ module Api
       end
 
       rescue_from ActiveRecord::RecordInvalid do
-        render json: I18n.t("api.endpoint_errors.likes.user_not_allowed_to_like"), status: :not_found
+        render json: I18n.t("api.endpoint_errors.likes.user_not_allowed_to_like"), status: :unprocessable_entity
       end
 
       def show
+        post = post_service.find!(params[:post_id])
+        raise ActiveRecord::RecordInvalid unless post.public? || private_read?
         likes_query = like_service.find_for_post(params[:post_id])
         likes_page = index_pager(likes_query).response
         likes_page[:data] = likes_page[:data].map {|x| like_json(x) }
@@ -27,6 +25,8 @@ module Api
       end
 
       def create
+        post = post_service.find!(params[:post_id])
+        raise ActiveRecord::RecordInvalid unless post.public? || private_modify?
         like_service.create(params[:post_id])
       rescue ActiveRecord::RecordInvalid => e
         return render json: I18n.t("api.endpoint_errors.likes.like_exists"), status: :unprocessable_entity if
@@ -37,6 +37,8 @@ module Api
       end
 
       def destroy
+        post = post_service.find!(params[:post_id])
+        raise ActiveRecord::RecordInvalid unless post.public? || private_modify?
         success = like_service.unlike_post(params[:post_id])
         if success
           head :no_content
@@ -45,11 +47,15 @@ module Api
         end
       end
 
+      private
+
       def like_service
         @like_service ||= LikeService.new(current_user)
       end
 
-      private
+      def post_service
+        @post_service ||= PostService.new(current_user)
+      end
 
       def like_json(like)
         LikesPresenter.new(like).as_api_json
diff --git a/app/controllers/api/v1/messages_controller.rb b/app/controllers/api/v1/messages_controller.rb
index a1b92a203..b7a085743 100644
--- a/app/controllers/api/v1/messages_controller.rb
+++ b/app/controllers/api/v1/messages_controller.rb
@@ -3,12 +3,8 @@
 module Api
   module V1
     class MessagesController < Api::V1::BaseController
-      before_action only: %i[create] do
-        require_access_token %w[read write]
-      end
-
-      before_action only: %i[index] do
-        require_access_token %w[read]
+      before_action do
+        require_access_token %w[conversations]
       end
 
       rescue_from ActiveRecord::RecordNotFound do
diff --git a/app/controllers/api/v1/notifications_controller.rb b/app/controllers/api/v1/notifications_controller.rb
index 3e7fbd445..cd710f9b0 100644
--- a/app/controllers/api/v1/notifications_controller.rb
+++ b/app/controllers/api/v1/notifications_controller.rb
@@ -3,12 +3,8 @@
 module Api
   module V1
     class NotificationsController < Api::V1::BaseController
-      before_action except: %i[update] do
-        require_access_token %w[read]
-      end
-
-      before_action only: %i[update] do
-        require_access_token %w[write]
+      before_action do
+        require_access_token %w[notifications]
       end
 
       rescue_from ActiveRecord::RecordNotFound do
diff --git a/app/controllers/api/v1/photos_controller.rb b/app/controllers/api/v1/photos_controller.rb
index 45d8d147c..8b8cdbc9f 100644
--- a/app/controllers/api/v1/photos_controller.rb
+++ b/app/controllers/api/v1/photos_controller.rb
@@ -4,11 +4,11 @@ module Api
   module V1
     class PhotosController < Api::V1::BaseController
       before_action except: %i[create destroy] do
-        require_access_token %w[read]
+        require_access_token %w[public:read]
       end
 
       before_action only: %i[create destroy] do
-        require_access_token %w[read write]
+        require_access_token %w[public:modify]
       end
 
       rescue_from ActiveRecord::RecordNotFound do
@@ -16,7 +16,12 @@ module Api
       end
 
       def index
-        photos_page = time_pager(current_user.photos).response
+        query = if private_read?
+                  current_user.photos
+                else
+                  current_user.photos.where(public: true)
+                end
+        photos_page = time_pager(query).response
         photos_page[:data] = photos_page[:data].map {|photo| PhotoPresenter.new(photo).as_api_json(true) }
         render json: photos_page
       end
@@ -24,11 +29,14 @@ module Api
       def show
         photo = photo_service.visible_photo(params.require(:id))
         raise ActiveRecord::RecordNotFound unless photo
+        raise ActiveRecord::RecordNotFound unless photo.public? || private_read?
         render json: PhotoPresenter.new(photo).as_api_json(true)
       end
 
       def create
         image = params.require(:image)
+        public_photo = params.has_key?(:aspect_ids)
+        raise RuntimeError unless public_photo || private_modify?
         base_params = params.permit(:aspect_ids, :pending, :set_profile_photo)
         photo = photo_service.create_from_params_and_file(base_params, image)
         raise RuntimeError unless photo
@@ -40,6 +48,7 @@ module Api
       def destroy
         photo = current_user.photos.where(guid: params[:id]).first
         raise ActiveRecord::RecordNotFound unless photo
+        raise ActiveRecord::RecordNotFound unless photo.public? || private_modify?
         if current_user.retract(photo)
           head :no_content
         else
diff --git a/app/controllers/api/v1/post_interactions_controller.rb b/app/controllers/api/v1/post_interactions_controller.rb
index c5d6e1697..4e313964a 100644
--- a/app/controllers/api/v1/post_interactions_controller.rb
+++ b/app/controllers/api/v1/post_interactions_controller.rb
@@ -6,7 +6,7 @@ module Api
       include PostsHelper
 
       before_action do
-        require_access_token %w[read write]
+        require_access_token %w[public:read interactions]
       end
 
       rescue_from ActiveRecord::RecordNotFound do
@@ -14,7 +14,7 @@ module Api
       end
 
       def subscribe
-        post = post_service.find!(params[:post_id])
+        post = find_post
         current_user.participate!(post)
         head :no_content
       rescue ActiveRecord::RecordInvalid
@@ -22,13 +22,13 @@ module Api
       end
 
       def hide
-        post = post_service.find!(params[:post_id])
+        post = find_post
         current_user.toggle_hidden_shareable(post)
         head :no_content
       end
 
       def mute
-        post = post_service.find!(params[:post_id])
+        post = find_post
         participation = current_user.participations.find_by!(target_id: post.id)
         participation.destroy
         head :no_content
@@ -36,7 +36,7 @@ module Api
 
       def report
         reason = params.require(:reason)
-        post = post_service.find!(params[:post_id])
+        post = find_post
         report = current_user.reports.new(
           item_id:   post.id,
           item_type: "Post",
@@ -53,7 +53,7 @@ module Api
 
       def vote
         begin
-          post = post_service.find!(params[:post_id])
+          post = find_post
         rescue ActiveRecord::RecordNotFound
           render json: I18n.t("api.endpoint_errors.posts.post_not_found"), status: :not_found
           return
@@ -77,6 +77,12 @@ module Api
       def poll_service
         @poll_service ||= PollParticipationService.new(current_user)
       end
+
+      def find_post
+        post = post_service.find!(params[:post_id])
+        raise ActiveRecord::RecordNotFound unless post.public? || private_read?
+        post
+      end
     end
   end
 end
diff --git a/app/controllers/api/v1/posts_controller.rb b/app/controllers/api/v1/posts_controller.rb
index 673d78b96..707d61dc7 100644
--- a/app/controllers/api/v1/posts_controller.rb
+++ b/app/controllers/api/v1/posts_controller.rb
@@ -5,12 +5,12 @@ module Api
     class PostsController < Api::V1::BaseController
       include PostsHelper
 
-      before_action only: :show do
-        require_access_token %w[read]
+      before_action except: %i[create destroy] do
+        require_access_token %w[public:read]
       end
 
       before_action only: %i[create destroy] do
-        require_access_token %w[read write]
+        require_access_token %w[public:modify]
       end
 
       rescue_from ActiveRecord::RecordNotFound do
@@ -18,14 +18,13 @@ module Api
       end
 
       def show
-        mark_notifications =
-          params[:mark_notifications].present? && params[:mark_notifications]
         post = post_service.find!(params[:id])
-        post_service.mark_user_notifications(post.id) if mark_notifications
+        raise ActiveRecord::RecordNotFound unless post.public? || private_read?
         render json: post_as_json(post)
       end
 
       def create
+        raise StandardError unless params.require(:public) || private_modify?
         status_service = StatusMessageCreationService.new(current_user)
         creation_params = normalized_create_params
         @status_message = status_service.create(creation_params)
@@ -35,9 +34,9 @@ module Api
       end
 
       def destroy
-        post_service.destroy(params[:id])
+        post_service.destroy(params[:id], private_modify?)
         head :no_content
-      rescue Diaspora::NotMine
+      rescue Diaspora::NotMine, Diaspora::NonPublic
         render json: I18n.t("api.endpoint_errors.posts.failed_delete"), status: :forbidden
       end
 
diff --git a/app/controllers/api/v1/reshares_controller.rb b/app/controllers/api/v1/reshares_controller.rb
index 6781ef77c..546d58716 100644
--- a/app/controllers/api/v1/reshares_controller.rb
+++ b/app/controllers/api/v1/reshares_controller.rb
@@ -3,12 +3,12 @@
 module Api
   module V1
     class ResharesController < Api::V1::BaseController
-      before_action only: %i[show] do
-        require_access_token %w[read]
+      before_action except: %i[create] do
+        require_access_token %w[public:read]
       end
 
       before_action only: %i[create] do
-        require_access_token %w[read write]
+        require_access_token %w[public:modify]
       end
 
       rescue_from ActiveRecord::RecordNotFound do
diff --git a/app/controllers/api/v1/search_controller.rb b/app/controllers/api/v1/search_controller.rb
index 42e7a846b..0d7b34c0f 100644
--- a/app/controllers/api/v1/search_controller.rb
+++ b/app/controllers/api/v1/search_controller.rb
@@ -4,7 +4,7 @@ module Api
   module V1
     class SearchController < Api::V1::BaseController
       before_action do
-        require_access_token %w[read]
+        require_access_token %w[public:read]
       end
 
       rescue_from ActionController::ParameterMissing, RuntimeError do
@@ -15,17 +15,27 @@ module Api
         parameters = params.permit(:tag, :name_or_handle)
         raise RuntimeError if parameters.keys.length != 1
         people_query = if params.has_key?(:tag)
-                   Person.profile_tagged_with(params[:tag])
-                 else
-                   Person.search(params[:name_or_handle], current_user)
-                 end
+                         Person.profile_tagged_with(params[:tag])
+                       else
+                         connected_only = !private_read?
+                         Person.search(
+                           params[:name_or_handle],
+                           current_user,
+                           only_contacts: connected_only,
+                           mutual:        connected_only
+                         )
+                       end
         user_page = index_pager(people_query).response
         user_page[:data] = user_page[:data].map {|p| PersonPresenter.new(p).as_api_json }
         render json: user_page
       end
 
       def post_index
-        posts_query = Stream::Tag.new(current_user, params.require(:tag)).posts
+        posts_query = if private_read?
+                        Stream::Tag.new(current_user, params.require(:tag)).posts
+                      else
+                        Stream::Tag.new(nil, params.require(:tag)).posts
+                      end
         posts_page = time_pager(posts_query, "posts.created_at", "created_at").response
         posts_page[:data] = posts_page[:data].map {|post| PostPresenter.new(post).as_api_response }
         render json: posts_page
diff --git a/app/controllers/api/v1/streams_controller.rb b/app/controllers/api/v1/streams_controller.rb
index 04c922a0d..efc5e4ec6 100644
--- a/app/controllers/api/v1/streams_controller.rb
+++ b/app/controllers/api/v1/streams_controller.rb
@@ -4,7 +4,15 @@ module Api
   module V1
     class StreamsController < Api::V1::BaseController
       before_action do
-        require_access_token %w[read]
+        require_access_token %w[public:read]
+      end
+
+      before_action only: %w[aspects] do
+        require_access_token %w[contacts:read private:read]
+      end
+
+      before_action only: %w[followed_tags] do
+        require_access_token %w[tags:read]
       end
 
       def aspects
@@ -41,7 +49,9 @@ module Api
 
       def stream_responder(stream_klass=nil, query_time_field="posts.created_at", data_time_field="created_at")
         @stream = stream_klass.present? ? stream_klass.new(current_user, max_time: stream_max_time) : @stream
-        posts_page = pager(@stream.stream_posts, query_time_field, data_time_field).response
+        query = @stream.stream_posts
+        query = query.where(public: true) unless private_read?
+        posts_page = pager(query, query_time_field, data_time_field).response
         posts_page[:data] = posts_page[:data].map {|post| PostPresenter.new(post, current_user).as_api_response }
         posts_page[:links].delete(:previous)
         render json: posts_page
diff --git a/app/controllers/api/v1/tag_followings_controller.rb b/app/controllers/api/v1/tag_followings_controller.rb
index a8ed8ebfa..f2181972d 100755
--- a/app/controllers/api/v1/tag_followings_controller.rb
+++ b/app/controllers/api/v1/tag_followings_controller.rb
@@ -3,16 +3,12 @@
 module Api
   module V1
     class TagFollowingsController < Api::V1::BaseController
-      before_action only: %i[index] do
-        require_access_token %w[read]
+      before_action except: %i[create destroy] do
+        require_access_token %w[tags:read]
       end
 
       before_action only: %i[create destroy] do
-        require_access_token %w[read write]
-      end
-
-      rescue_from StandardError do
-        render json: I18n.t("api.endpoint_errors.tags.cant_process"), status: :bad_request
+        require_access_token %w[tags:modify]
       end
 
       def index
@@ -22,6 +18,8 @@ module Api
       def create
         tag_followings_service.create(params.require(:name))
         head :no_content
+      rescue StandardError
+        render json: I18n.t("api.endpoint_errors.tags.cant_process"), status: :unprocessable_entity
       end
 
       def destroy
diff --git a/app/controllers/api/v1/users_controller.rb b/app/controllers/api/v1/users_controller.rb
index 3ceb9c801..9d44e7518 100644
--- a/app/controllers/api/v1/users_controller.rb
+++ b/app/controllers/api/v1/users_controller.rb
@@ -5,12 +5,20 @@ module Api
     class UsersController < Api::V1::BaseController
       include TagsHelper
 
-      before_action except: %i[update] do
-        require_access_token %w[read]
+      before_action except: %i[contacts update show] do
+        require_access_token %w[public:read]
       end
 
       before_action only: %i[update] do
-        require_access_token %w[write]
+        require_access_token %w[profile:modify]
+      end
+
+      before_action only: %i[contacts] do
+        require_access_token %w[contacts:read]
+      end
+
+      before_action only: %i[show] do
+        require_access_token %w[profile]
       end
 
       rescue_from ActiveRecord::RecordNotFound do
@@ -19,7 +27,9 @@ module Api
 
       def show
         person = if params.has_key?(:id)
-                   Person.find_by!(guid: params[:id])
+                   found_person = Person.find_by!(guid: params[:id])
+                   raise ActiveRecord::RecordNotFound unless found_person.searchable || access_token?("contacts:read")
+                   found_person
                  else
                    current_user.person
                  end
@@ -52,7 +62,8 @@ module Api
 
       def photos
         person = Person.find_by!(guid: params[:user_id])
-        photos_query = Photo.visible(current_user, person, :all, Time.current)
+        user_for_query = current_user if private_read?
+        photos_query = Photo.visible(user_for_query, person, :all, Time.current)
         photos_page = time_pager(photos_query).response
         photos_page[:data] = photos_page[:data].map {|photo| PhotoPresenter.new(photo).as_api_json(true) }
         render json: photos_page
@@ -60,7 +71,11 @@ module Api
 
       def posts
         person = Person.find_by!(guid: params[:user_id])
-        posts_query = current_user.posts_from(person, false)
+        posts_query = if private_read?
+                        current_user.posts_from(person, false)
+                      else
+                        Post.where(author_id: person.id, public: true)
+                      end
         posts_page = time_pager(posts_query).response
         posts_page[:data] = posts_page[:data].map {|post| PostPresenter.new(post, current_user).as_api_response }
         render json: posts_page
diff --git a/app/models/api/openid_connect/authorization.rb b/app/models/api/openid_connect/authorization.rb
index 597c815f7..6a89d63aa 100644
--- a/app/models/api/openid_connect/authorization.rb
+++ b/app/models/api/openid_connect/authorization.rb
@@ -18,7 +18,32 @@ module Api
 
       scope :with_redirect_uri, ->(given_uri) { where redirect_uri: given_uri }
 
-      SCOPES = %w(openid sub aud name nickname profile picture read write)
+      SCOPES = %w[
+        birthdate
+        contacts:modify
+        contacts:read
+        conversations
+        email
+        gender
+        interactions
+        locale
+        name
+        nickname
+        notifications
+        openid
+        picture
+        private:modify
+        private:read
+        profile
+        profile
+        profile:modify
+        public:modify
+        public:read
+        sub
+        tags:modify
+        tags:read
+        updated_at
+      ].freeze
 
       def setup
         self.refresh_token = SecureRandom.hex(32)
diff --git a/app/services/post_service.rb b/app/services/post_service.rb
index dd320f282..34b4f5ab4 100644
--- a/app/services/post_service.rb
+++ b/app/services/post_service.rb
@@ -35,8 +35,12 @@ class PostService
     mark_mention_notifications_read(post_id)
   end
 
-  def destroy(post_id)
-    post = find!(post_id)
+  def destroy(post_id, private_allowed=true)
+    post = if private_allowed
+             find_non_public_by_guid_or_id_with_user!(post_id)
+           else
+             find_public!(post_id)
+           end
     raise Diaspora::NotMine unless post.author == user.person
     user.retract(post)
   end
diff --git a/config/locales/diaspora/en.yml b/config/locales/diaspora/en.yml
index 93885ebc9..644d6c237 100644
--- a/config/locales/diaspora/en.yml
+++ b/config/locales/diaspora/en.yml
@@ -905,6 +905,8 @@ en:
           deny: "Deny"
           bad_request: "Missing client id or redirect URI"
           client_id_not_found: "No client with client_id %{client_id} with redirect URI %{redirect_uri} found"
+          private_contacts_linkage_error: "private:read and private:modify require contacts:read as well"
+          unknown_scope: "Unknown scope: #{scope_name}"
         destroy:
           fail: "The attempt to revoke the authorization with ID %{id} failed"
       user_applications:
@@ -920,31 +922,73 @@ en:
       scopes:
         openid:
           name: "basic profile"
-          description: "This allows the application to read your basic profile"
+          description: "This grants read access to basic profile information to the application."
         sub:
           name: "sub"
-          description: "This grants sub permissions to the application"
-        aud:
-          name: "aud"
-          description: "This grants aud permissions to the application"
+          description: "This grants sub permissions to the application."
         name:
           name: "name"
-          description: "This grants name permissions to the application"
+          description: "This grants read access to name data to the application."
         nickname:
           name: "nickname"
-          description: "This grants nickname permissions to the application"
-        profile:
-          name: "extended profile"
-          description: "This allows the application to read your extended profile"
+          description: "This grants read access to nickname data to the application."
         picture:
           name: "picture"
-          description: "This grants picture permissions to the application"
-        read:
-          name: "read profile, stream and conversations"
-          description: "This allows the application to read your stream, your conversations and your complete profile"
-        write:
-          name: "send posts, conversations and reactions"
-          description: "This allows the application to send new posts, write conversations, and send reactions"
+          description: "This grants read access to user's profile picture data to the application."
+        gender:
+          name: "gender"
+          description: "This grants read access to the user's gendere data to the application."
+        birthdate:
+          name: "birthdate"
+          description: "This grants read access ot the user's birthdate to the application."
+        locale:
+          name: "locale"
+          description: "This grants read access ot the user's locale to the application."
+        updated_at:
+          name: "updated_at"
+          description: "This grants read access to the user's profile update time to the application."
+        'contacts:read':
+          name: "contacts:read"
+          description: "This grants read permissions to contacts and related data (like aspects) to the application."
+        'contacts:modify':
+          name: "contacts:modify"
+          description: "This grants write permissions to contacts and related data (like aspects) to the application."
+        conversations:
+          name: "conversations"
+          description: "This grants read/write permission to private messaging to the application."
+        email:
+          name: "email"
+          description: "This grants read access to the user's email address to the application."
+        interactions:
+          name: "interactions"
+          description: "This grants read and write permissions on interacting wth posts to the application."
+        notifications:
+          name: "notifications"
+          description: "This grants read and write permissions on interactions for the user to the application."
+        'private:read':
+          name: "private:read"
+          description: "This grants read privileges on private posts and streams to the application."
+        'private:modify':
+          name: "private:modify"
+          description: "This grants modification privileges on private posts and streams, including allowing private sharing, to the application."
+        'public:read':
+          name: "public:read"
+          description: "This grants read permissions on public posts, interactions, and user data to the application."
+        'public:modify':
+          name: "updated_at"
+          description: "This grants write permissions on public posts (including public post writing), interactions, and user data to the application."
+        profile:
+          name: "extended profile"
+          description: "This grants read access to extendend profile data to the application."
+        'profile:modify':
+          name: "profile:modify"
+          description: "This grants user profile update permissions to the application."
+        'tags:read':
+          name: "tags:read"
+          description: "This grants read access to user's followed tags and tag streams to the application."
+        'tags:modify':
+          name: "tags:modify"
+          description: "This grants modification access to user's followed tags to the application."
       error_page:
         title: "Oh! Something went wrong :("
         contact_developer: "You should contact the developer of the application and include the following detailed error message:"
diff --git a/lib/api/openid_connect/authorization_point/endpoint.rb b/lib/api/openid_connect/authorization_point/endpoint.rb
index c88a43a09..ce108ce82 100644
--- a/lib/api/openid_connect/authorization_point/endpoint.rb
+++ b/lib/api/openid_connect/authorization_point/endpoint.rb
@@ -50,9 +50,16 @@ module Api
           replace_profile_scope_with_specific_claims(req)
           @scopes = req.scope.map {|scope|
             scope.tap do |scope_name|
-              req.invalid_scope! "Unknown scope: #{scope_name}" unless auth_scopes.include? scope_name
+              req.invalid_scope! I18n.t("api.openid_connect.authorizations.new.unknown_scope") \
+                unless auth_scopes.include?(scope_name)
             end
           }
+
+          @scopes.push("public:read") unless @scopes.include?("public:read")
+          has_private_scope = @scopes.include?("private:read") || @scopes.include?("private:modify")
+          has_contacts_scope = @scopes.include? "contacts:read"
+          req.invalid_scope! I18n.t("api.openid_connect.authorizations.new.private_contacts_linkage_error") \
+            if has_private_scope && !has_contacts_scope
         end
 
         def auth_scopes
diff --git a/lib/api/openid_connect/authorization_point/endpoint_start_point.rb b/lib/api/openid_connect/authorization_point/endpoint_start_point.rb
index 7ce6b6b5d..4496eb53a 100644
--- a/lib/api/openid_connect/authorization_point/endpoint_start_point.rb
+++ b/lib/api/openid_connect/authorization_point/endpoint_start_point.rb
@@ -17,7 +17,7 @@ module Api
         end
 
         def replace_profile_scope_with_specific_claims(req)
-          profile_claims = %w(sub aud name nickname profile picture)
+          profile_claims = %w[sub name nickname profile picture gender birthdate locale updated_at]
           scopes_as_claims = req.scope.flat_map {|scope| scope == "profile" ? profile_claims : [scope] }.uniq
           req.update_param("scope", scopes_as_claims)
         end
diff --git a/lib/api/openid_connect/protected_resource_endpoint.rb b/lib/api/openid_connect/protected_resource_endpoint.rb
index b75513183..23be2fc4c 100644
--- a/lib/api/openid_connect/protected_resource_endpoint.rb
+++ b/lib/api/openid_connect/protected_resource_endpoint.rb
@@ -29,11 +29,15 @@ module Api
       attr_reader :current_token
 
       def require_access_token(required_scopes)
+        raise Rack::OAuth2::Server::Resource::Bearer::Forbidden.new(:insufficient_scope) unless
+          access_token?(required_scopes)
+      end
+
+      def access_token?(required_scopes)
         @current_token = request.env[Rack::OAuth2::Server::Resource::ACCESS_TOKEN]
         raise Rack::OAuth2::Server::Resource::Bearer::Unauthorized.new("Unauthorized user") unless
           @current_token && @current_token.authorization
-        raise Rack::OAuth2::Server::Resource::Bearer::Forbidden.new(:insufficient_scope) unless
-          @current_token.authorization.try(:accessible?, required_scopes)
+        @current_token.authorization.try(:accessible?, required_scopes)
       end
     end
   end
diff --git a/lib/api/openid_connect/token_endpoint.rb b/lib/api/openid_connect/token_endpoint.rb
index b9b9d39e9..96fa44632 100644
--- a/lib/api/openid_connect/token_endpoint.rb
+++ b/lib/api/openid_connect/token_endpoint.rb
@@ -27,6 +27,7 @@ module Api
           auth = Api::OpenidConnect::Authorization.with_redirect_uri(req.redirect_uri).use_code(req.code)
           req.invalid_grant! if auth.blank?
           res.access_token = auth.create_access_token
+          res.access_token.refresh_token = auth.refresh_token
           if auth.accessible? "openid"
             id_token = auth.create_id_token
             res.id_token = id_token.to_jwt(access_token: res.access_token)
diff --git a/spec/controllers/api/openid_connect/authorizations_controller_spec.rb b/spec/controllers/api/openid_connect/authorizations_controller_spec.rb
index 7ce14838a..a62966306 100644
--- a/spec/controllers/api/openid_connect/authorizations_controller_spec.rb
+++ b/spec/controllers/api/openid_connect/authorizations_controller_spec.rb
@@ -253,7 +253,7 @@ describe Api::OpenidConnect::AuthorizationsController, type: :request do
         before do
           get new_api_openid_connect_authorization_path, params: {client_id: client.client_id,
               redirect_uri: "http://localhost:3000/", response_type: "id_token",
-              scope: "openid read", nonce: 413_093_098_3, state: 413_093_098_3}
+              scope: "openid interactions", nonce: 413_093_098_3, state: 413_093_098_3}
         end
 
         it "should receive another authorization request" do
@@ -380,12 +380,71 @@ describe Api::OpenidConnect::AuthorizationsController, type: :request do
         end
       end
     end
+
+    context "ensure public:read always there" do
+      it "added with only openid" do
+        get new_api_openid_connect_authorization_path, params: {client_id:     client.client_id,
+                                                                redirect_uri:  "http://localhost:3000/",
+                                                                response_type: "id_token token",
+                                                                scope:         "openid",
+                                                                nonce:         418_093_098_3,
+                                                                state:         418_093_098_3}
+        post api_openid_connect_authorizations_path, params: {approve: "true"}
+        expect(alice.reload.authorizations.first.scopes).to include("public:read")
+      end
+    end
+
+    context "with contacts:read and private linkage requirement" do
+      it "fails without contacts:read on private:read" do
+        scopes = "openid private:read"
+        get new_api_openid_connect_authorization_path, params: {client_id:     client.client_id,
+                                                                redirect_uri:  "http://localhost:3000/",
+                                                                response_type: "id_token token",
+                                                                scope:         scopes,
+                                                                nonce:         418_093_098_3,
+                                                                state:         418_093_098_3}
+        expect(response.status).to eq(302)
+      end
+
+      it "fails without contacts:read on private:modify" do
+        scopes = "openid private:modify"
+        get new_api_openid_connect_authorization_path, params: {client_id:     client.client_id,
+                                                                redirect_uri:  "http://localhost:3000/",
+                                                                response_type: "id_token token",
+                                                                scope:         scopes,
+                                                                nonce:         418_093_098_3,
+                                                                state:         418_093_098_3}
+        expect(response.status).to eq(302)
+      end
+
+      it "succeeds with contacts:read on private:read" do
+        scopes = "openid contacts:read private:read"
+        get new_api_openid_connect_authorization_path, params: {client_id:     client.client_id,
+                                                                redirect_uri:  "http://localhost:3000/",
+                                                                response_type: "id_token token",
+                                                                scope:         scopes,
+                                                                nonce:         418_093_098_3,
+                                                                state:         418_093_098_3}
+        expect(response.status).to eq(200)
+      end
+
+      it "succeeds with contacts:read on private:modify" do
+        scopes = "openid contacts:read private:modify"
+        get new_api_openid_connect_authorization_path, params: {client_id:     client.client_id,
+                                                                redirect_uri:  "http://localhost:3000/",
+                                                                response_type: "id_token token",
+                                                                scope:         scopes,
+                                                                nonce:         418_093_098_3,
+                                                                state:         418_093_098_3}
+        expect(response.status).to eq(200)
+      end
+    end
   end
 
   describe "#destroy" do
     context "with existent authorization" do
       it "removes the authorization" do
-        auth_with_read = FactoryGirl.create(:auth_with_read, o_auth_application: client)
+        auth_with_read = FactoryGirl.create(:auth_with_profile_only, o_auth_application: client)
         delete api_openid_connect_authorization_path(auth_with_read.id)
         expect(Api::OpenidConnect::Authorization.find_by(id: auth_with_read.id)).to be_nil
       end
diff --git a/spec/controllers/api/openid_connect/token_endpoint_controller_spec.rb b/spec/controllers/api/openid_connect/token_endpoint_controller_spec.rb
index 20cf9ba44..5d9d28803 100644
--- a/spec/controllers/api/openid_connect/token_endpoint_controller_spec.rb
+++ b/spec/controllers/api/openid_connect/token_endpoint_controller_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 describe Api::OpenidConnect::TokenEndpointController, type: :controller, suppress_csrf_verification: :none do
-  let(:auth) { FactoryGirl.create(:auth_with_read) }
+  let(:auth) { FactoryGirl.create(:auth_with_profile_only) }
 
   describe "#create" do
     it "returns 200 on success" do
@@ -15,5 +15,16 @@ describe Api::OpenidConnect::TokenEndpointController, type: :controller, suppres
       }
       expect(response.code).to eq("200")
     end
+
+    it "refresh returns 200 on success" do
+      post :create, params: {
+        grant_type:    "refresh_token",
+        refresh_token: auth.refresh_token,
+        client_id:     auth.o_auth_application.client_id,
+        client_secret: auth.o_auth_application.client_secret
+      }
+      expect(response.code).to eq("200")
+      puts response.body
+    end
   end
 end
diff --git a/spec/controllers/api/openid_connect/user_applications_spec.rb b/spec/controllers/api/openid_connect/user_applications_spec.rb
index ec119eb70..d9edab4b7 100644
--- a/spec/controllers/api/openid_connect/user_applications_spec.rb
+++ b/spec/controllers/api/openid_connect/user_applications_spec.rb
@@ -4,7 +4,7 @@ describe Api::OpenidConnect::UserApplicationsController, type: :controller do
   before do
     @app = FactoryGirl.create(:o_auth_application_with_xss)
     @user = FactoryGirl.create :user
-    FactoryGirl.create :auth_with_read, user: @user, o_auth_application: @app
+    FactoryGirl.create :auth_with_profile_only, user: @user, o_auth_application: @app
     sign_in @user, scope: :user
   end
 
diff --git a/spec/factories.rb b/spec/factories.rb
index 8393a5504..2a0920905 100644
--- a/spec/factories.rb
+++ b/spec/factories.rb
@@ -403,28 +403,59 @@ FactoryGirl.define do
     redirect_uris %w(http://localhost:3000/)
   end
 
-  factory :auth_with_read, class: Api::OpenidConnect::Authorization do
+  factory :auth_with_profile_only, class: Api::OpenidConnect::Authorization do
     o_auth_application
     user
-    scopes %w(openid sub aud profile picture nickname name read)
+    scopes %w[openid profile]
     after(:build) {|m|
       m.redirect_uri = m.o_auth_application.redirect_uris[0]
     }
   end
 
-  factory :auth_with_read_and_ppid, class: Api::OpenidConnect::Authorization do
+  factory :auth_with_profile_and_ppid, class: Api::OpenidConnect::Authorization do
     association :o_auth_application, factory: :o_auth_application_with_ppid
     user
-    scopes %w(openid sub aud profile picture nickname name read)
+    scopes %w[openid sub profile picture nickname name]
     after(:build) {|m|
       m.redirect_uri = m.o_auth_application.redirect_uris[0]
     }
   end
 
-  factory :auth_with_read_and_write, class: Api::OpenidConnect::Authorization do
+  factory :auth_with_all_scopes, class: Api::OpenidConnect::Authorization do
     o_auth_application
     association :user, factory: :user_with_aspect
-    scopes %w(openid sub aud profile picture nickname name read write)
+    scopes Api::OpenidConnect::Authorization::SCOPES
+    after(:build) {|m|
+      m.redirect_uri = m.o_auth_application.redirect_uris[0]
+    }
+  end
+
+  factory :auth_with_all_scopes_not_private, class: Api::OpenidConnect::Authorization do
+    o_auth_application
+    association :user, factory: :user_with_aspect
+    scopes %w[openid sub name nickname profile picture gender birthdate locale updated_at contacts:read contacts:modify
+              conversations email interactions notifications public:read public:modify profile profile:modify tags:read
+              tags:modify]
+    after(:build) {|m|
+      m.redirect_uri = m.o_auth_application.redirect_uris[0]
+    }
+  end
+
+  factory :auth_with_read_scopes, class: Api::OpenidConnect::Authorization do
+    o_auth_application
+    association :user, factory: :user_with_aspect
+    scopes %w[openid sub name nickname profile picture gender birthdate locale updated_at contacts:read conversations
+              email interactions notifications private:read public:read profile tags:read]
+    after(:build) {|m|
+      m.redirect_uri = m.o_auth_application.redirect_uris[0]
+    }
+  end
+
+  factory :auth_with_read_scopes_not_private, class: Api::OpenidConnect::Authorization do
+    o_auth_application
+    association :user, factory: :user_with_aspect
+    scopes %w[openid sub name nickname profile picture gender birthdate locale updated_at contacts:read conversations
+              email interactions notifications public:read profile tags:read]
     after(:build) {|m|
       m.redirect_uri = m.o_auth_application.redirect_uris[0]
     }
diff --git a/spec/integration/api/aspects_controller_spec.rb b/spec/integration/api/aspects_controller_spec.rb
index df86f06a5..d6427caac 100644
--- a/spec/integration/api/aspects_controller_spec.rb
+++ b/spec/integration/api/aspects_controller_spec.rb
@@ -3,14 +3,31 @@
 require "spec_helper"
 
 describe Api::V1::AspectsController do
-  let(:auth) { FactoryGirl.create(:auth_with_read_and_write) }
-  let(:auth_read_only) { FactoryGirl.create(:auth_with_read) }
+  let(:auth) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid contacts:read contacts:modify]
+    )
+  }
+
+  let(:auth_read_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid contacts:read]
+    )
+  }
+
+  let(:auth_profile_only) {
+    FactoryGirl.create(:auth_with_profile_only)
+  }
+
   let!(:access_token) { auth.create_access_token.to_s }
   let!(:access_token_read_only) { auth_read_only.create_access_token.to_s }
+  let!(:access_token_profile_only) { auth_profile_only.create_access_token.to_s }
 
   before do
-    @aspect1 = auth.user.aspects.where(name: "generic").first
-    @aspect2 = auth.user.aspects.create(name: "another aspect")
+    @aspect1 = auth.user.aspects.create(name: "first aspect")
+    @aspect2 = auth.user.aspects.create(name: "second aspect")
   end
 
   describe "#index" do
@@ -29,6 +46,14 @@ describe Api::V1::AspectsController do
       end
     end
 
+    it "fails if token doesn't have contacts:read" do
+      get(
+        api_v1_aspects_path,
+        params: {access_token: access_token_profile_only}
+      )
+      expect(response.status).to eq(403)
+    end
+
     it "fails if invalid token" do
       get(
         api_v1_aspects_path,
@@ -65,6 +90,16 @@ describe Api::V1::AspectsController do
       end
     end
 
+    context "without contacts:read in token" do
+      it "fails to return with error" do
+        get(
+          api_v1_aspect_path(@aspect2.id),
+          params: {access_token: access_token_profile_only}
+        )
+        expect(response.status).to eq(403)
+      end
+    end
+
     context "when not logged in" do
       it "fails to return with error" do
         get(
diff --git a/spec/integration/api/comments_controller_spec.rb b/spec/integration/api/comments_controller_spec.rb
index 6b4607488..67a8ec5d5 100644
--- a/spec/integration/api/comments_controller_spec.rb
+++ b/spec/integration/api/comments_controller_spec.rb
@@ -3,8 +3,22 @@
 require "spec_helper"
 
 describe Api::V1::CommentsController do
-  let(:auth) { FactoryGirl.create(:auth_with_read_and_write) }
+  let(:auth) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read public:modify private:read private:modify interactions]
+    )
+  }
+
+  let(:auth_public_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read public:modify interactions]
+    )
+  }
+
   let!(:access_token) { auth.create_access_token.to_s }
+  let!(:access_token_public_only) { auth_public_only.create_access_token.to_s }
 
   before do
     @status = alice.post(
@@ -24,13 +38,27 @@ describe Api::V1::CommentsController do
     )
 
     @comment_on_eves_post = comment_service.create(@eves_post.guid, "Comment on eve's post")
+
+    aspect = auth_public_only.user.aspects.create(name: "first aspect")
+    @private_post = auth_public_only.user.post(
+      "Post",
+      status_message: {text: "This is a private status message"},
+      public:         false,
+      to:             [aspect.id],
+      type:           "Post"
+    )
+    @comment_on_private_post = comment_service(auth_public_only.user).create(@private_post.guid, "Private comment")
   end
 
   describe "#create" do
     context "valid post ID" do
       it "succeeds in adding a comment" do
         comment_text = "This is a comment"
-        create_comment(@status.guid, comment_text)
+        post(
+          api_v1_post_comments_path(post_id: @status.guid),
+          params: {body: comment_text, access_token: access_token}
+        )
+
         expect(response.status).to eq(201)
         comment = response_body(response)
         confirm_comment_format(comment, auth.user, comment_text)
@@ -39,7 +67,10 @@ describe Api::V1::CommentsController do
 
     context "wrong post id" do
       it "fails at adding a comment" do
-        create_comment("999_999_999", "This is a comment")
+        post(
+          api_v1_post_comments_path(post_id: "999_999_999"),
+          params: {body: "text", access_token: access_token}
+        )
         expect(response.status).to eq(404)
         expect(response.body).to eq(I18n.t("api.endpoint_errors.posts.post_not_found"))
       end
@@ -48,9 +79,11 @@ describe Api::V1::CommentsController do
     context "lack of permissions" do
       it "fails at adding a comment" do
         alice.blocks.create(person: auth.user.person)
-        create_comment(@status.guid, "That shouldn't be there because I am ignored by this user")
+        post(
+          api_v1_post_comments_path(post_id: @status.guid),
+          params: {body: "That shouldn't be there because I am ignored by this user", access_token: access_token}
+        )
         expect(response.status).to eq(422)
-        expect(response.body).to eq(I18n.t("api.endpoint_errors.comments.not_allowed"))
       end
     end
   end
@@ -59,8 +92,8 @@ describe Api::V1::CommentsController do
     before do
       @comment_text1 = "This is a comment"
       @comment_text2 = "This is a comment 2"
-      create_comment(@status.guid, @comment_text1)
-      create_comment(@status.guid, @comment_text2)
+      comment_service.create(@status.guid, @comment_text1)
+      comment_service.create(@status.guid, @comment_text2)
     end
 
     context "valid post ID" do
@@ -87,12 +120,23 @@ describe Api::V1::CommentsController do
         expect(response.body).to eq(I18n.t("api.endpoint_errors.posts.post_not_found"))
       end
     end
+
+    context "can't see comment on limited post without private:read token" do
+      it "fails" do
+        get(
+          api_v1_post_comments_path(post_id: @private_post.guid),
+          params: {access_token: access_token_public_only}
+        )
+        expect(response.status).to eq(404)
+        expect(response.body).to eq(I18n.t("api.endpoint_errors.posts.post_not_found"))
+      end
+    end
   end
 
   describe "#delete" do
     before do
-      create_comment(@status.guid, "This is a comment")
-      @comment_guid = response_body(response)["guid"]
+      comment = comment_service.create(@status.guid, "This is a comment")
+      @comment_guid = comment.guid
     end
 
     context "valid comment ID" do
@@ -152,8 +196,8 @@ describe Api::V1::CommentsController do
       end
     end
 
-    context "insufficient permissions (not your comment and not owner)" do
-      it "fails at deleting comment" do
+    context "insufficient permissions" do
+      it "fails at deleting other user's comment on other user's post" do
         alices_comment = comment_service(alice).create(@status.guid, "Alice's comment")
         delete(
           api_v1_post_comment_path(
@@ -165,13 +209,24 @@ describe Api::V1::CommentsController do
         expect(response.status).to eq(403)
         expect(response.body).to eq(I18n.t("api.endpoint_errors.comments.no_delete"))
       end
+
+      it "fails at deleting your comment on post without private:modify token" do
+        delete(
+          api_v1_post_comment_path(
+            post_id: @private_post.guid,
+            id:      @comment_on_private_post.guid
+          ),
+          params: {access_token: access_token_public_only}
+        )
+        expect(response.status).to eq(404)
+      end
     end
   end
 
   describe "#report" do
     before do
-      create_comment(@status.guid, "This is a comment")
-      @comment_guid = response_body(response)["guid"]
+      comment = comment_service.create(@status.guid, "This is a comment")
+      @comment_guid = comment.guid
     end
 
     context "valid comment ID" do
@@ -227,6 +282,40 @@ describe Api::V1::CommentsController do
       end
     end
 
+    context "invalid Post ID" do
+      it "fails at reporting comment" do
+        post(
+          api_v1_post_comment_report_path(
+            post_id:    "999_999_999",
+            comment_id: @comment_guid
+          ),
+          params: {
+            reason:       "bad comment",
+            access_token: access_token
+          }
+        )
+        expect(response.status).to eq(404)
+        expect(response.body).to eq(I18n.t("api.endpoint_errors.posts.post_not_found"))
+      end
+    end
+
+    context "lack of private permissions on private post" do
+      it "fails at reporting comment" do
+        post(
+          api_v1_post_comment_report_path(
+            post_id:    @private_post.guid,
+            comment_id: @comment_on_private_post.guid
+          ),
+          params: {
+            reason:       "bad comment",
+            access_token: access_token_public_only
+          }
+        )
+        expect(response.status).to eq(404)
+        expect(response.body).to eq(I18n.t("api.endpoint_errors.posts.post_not_found"))
+      end
+    end
+
     context "mismatched post-to-comment ID" do
       it "fails at reporting comment" do
         post(
@@ -278,13 +367,6 @@ describe Api::V1::CommentsController do
     CommentService.new(user)
   end
 
-  def create_comment(post_guid, text)
-    post(
-      api_v1_post_comments_path(post_id: post_guid),
-      params: {body: text, access_token: access_token}
-    )
-  end
-
   def response_body(response)
     JSON.parse(response.body)
   end
diff --git a/spec/integration/api/contacts_controller_spec.rb b/spec/integration/api/contacts_controller_spec.rb
index 42ec41c4f..a85198e21 100644
--- a/spec/integration/api/contacts_controller_spec.rb
+++ b/spec/integration/api/contacts_controller_spec.rb
@@ -3,13 +3,31 @@
 require "spec_helper"
 
 describe Api::V1::ContactsController do
-  let(:auth) { FactoryGirl.create(:auth_with_read_and_write) }
-  let(:auth_read_only) { FactoryGirl.create(:auth_with_read) }
+  let(:auth) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid contacts:read contacts:modify]
+    )
+  }
+
+  let(:auth_read_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid contacts:read]
+    )
+  }
+
+  let(:auth_profile_only) {
+    FactoryGirl.create(:auth_with_profile_only)
+  }
+
   let!(:access_token) { auth.create_access_token.to_s }
   let!(:access_token_read_only) { auth_read_only.create_access_token.to_s }
+  let!(:access_token_profile_only) { auth_profile_only.create_access_token.to_s }
 
   before do
-    @aspect1 = auth.user.aspects.where(name: "generic").first
+    @aspect1 = auth.user.aspects.create(name: "generic")
+    auth.user.share_with(eve.person, @aspect1)
     @aspect2 = auth.user.aspects.create(name: "another aspect")
     @eve_aspect = eve.aspects.first
   end
diff --git a/spec/integration/api/conversations_controller_spec.rb b/spec/integration/api/conversations_controller_spec.rb
index 442a3c51a..1e80308c1 100644
--- a/spec/integration/api/conversations_controller_spec.rb
+++ b/spec/integration/api/conversations_controller_spec.rb
@@ -3,12 +3,28 @@
 require "spec_helper"
 
 describe Api::V1::ConversationsController do
-  let(:auth) { FactoryGirl.create(:auth_with_read_and_write) }
+  let(:auth) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid conversations]
+    )
+  }
+
+  let(:auth_participant) {
+    FactoryGirl.create(:auth_with_all_scopes)
+  }
+
+  let(:auth_profile_only) {
+    FactoryGirl.create(:auth_with_profile_only)
+  }
+
   let!(:access_token) { auth.create_access_token.to_s }
-  let(:auth_participant) { FactoryGirl.create(:auth_with_read_and_write) }
   let!(:access_token_participant) { auth_participant.create_access_token.to_s }
+  let!(:access_token_profile_only) { auth_profile_only.create_access_token.to_s }
+
 
   before do
+    auth.user.aspects.create(name: "first")
     auth.user.share_with alice.person, auth.user.aspects[0]
     alice.share_with auth.user.person, alice.aspects[0]
     auth.user.disconnected_by(eve)
diff --git a/spec/integration/api/likes_controller_spec.rb b/spec/integration/api/likes_controller_spec.rb
index 720a7925d..439bb82f4 100644
--- a/spec/integration/api/likes_controller_spec.rb
+++ b/spec/integration/api/likes_controller_spec.rb
@@ -3,8 +3,27 @@
 require "spec_helper"
 
 describe Api::V1::LikesController do
-  let(:auth) { FactoryGirl.create(:auth_with_read_and_write) }
+  let(:auth) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read public:modify private:read private:modify interactions]
+    )
+  }
+
+  let(:auth_public_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read public:modify interactions]
+    )
+  }
+
+  let(:auth_profile_only) {
+    FactoryGirl.create(:auth_with_profile_only)
+  }
+
   let!(:access_token) { auth.create_access_token.to_s }
+  let!(:access_token_public_only) { auth_public_only.create_access_token.to_s }
+  let!(:access_token_profile_only) { auth_profile_only.create_access_token.to_s }
 
   before do
     @status = auth.user.post(
@@ -13,6 +32,15 @@ describe Api::V1::LikesController do
       public: true,
       to:     "all"
     )
+
+    aspect = auth_public_only.user.aspects.create(name: "first aspect")
+    @private_status = auth_public_only.user.post(
+      "Post",
+      status_message: {text: "This is a private status message"},
+      public:         false,
+      to:             [aspect.id],
+      type:           "Post"
+    )
   end
 
   describe "#show" do
@@ -54,6 +82,17 @@ describe Api::V1::LikesController do
         expect(response.body).to eq(I18n.t("api.endpoint_errors.posts.post_not_found"))
       end
     end
+
+    context "without private:read scope in token" do
+      it "fails at getting likes" do
+        get(
+          api_v1_post_likes_path(post_id: @private_status.guid),
+          params: {access_token: access_token_public_only}
+        )
+        expect(response.status).to eq(422)
+        expect(response.body).to eq(I18n.t("api.endpoint_errors.likes.user_not_allowed_to_like"))
+      end
+    end
   end
 
   describe "#create" do
@@ -87,6 +126,15 @@ describe Api::V1::LikesController do
         expect(likes.length).to eq(1)
         expect(likes[0].author.id).to eq(auth.user.person.id)
       end
+
+      it "fails in liking private post without private:modify" do
+        post(
+          api_v1_post_likes_path(post_id: @private_status.guid),
+          params: {access_token: access_token_public_only}
+        )
+        expect(response.status).to eq(422)
+        expect(response.body).to eq(I18n.t("api.endpoint_errors.likes.user_not_allowed_to_like"))
+      end
     end
 
     context "with wrong post id" do
@@ -103,10 +151,7 @@ describe Api::V1::LikesController do
 
   describe "#delete" do
     before do
-      post(
-        api_v1_post_likes_path(post_id: @status.guid),
-        params: {access_token: access_token}
-      )
+      like_service.create(@status.guid)
     end
 
     context "with right post id" do
@@ -137,6 +182,16 @@ describe Api::V1::LikesController do
         likes = like_service.find_for_post(@status.guid)
         expect(likes.length).to eq(0)
       end
+
+      it "fails at unliking private post without private:modify" do
+        like_service(auth_public_only.user).create(@private_status.guid)
+        delete(
+          api_v1_post_likes_path(post_id: @private_status.guid),
+          params: {access_token: access_token}
+        )
+        expect(response.status).to eq(404)
+        expect(response.body).to eq(I18n.t("api.endpoint_errors.posts.post_not_found"))
+      end
     end
 
     context "with wrong post id" do
diff --git a/spec/integration/api/messages_controller_spec.rb b/spec/integration/api/messages_controller_spec.rb
index f1076a29a..74c72d4c8 100644
--- a/spec/integration/api/messages_controller_spec.rb
+++ b/spec/integration/api/messages_controller_spec.rb
@@ -3,7 +3,13 @@
 require "spec_helper"
 
 describe Api::V1::MessagesController do
-  let(:auth) { FactoryGirl.create(:auth_with_read_and_write) }
+  let(:auth) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid conversations]
+    )
+  }
+
   let!(:access_token) { auth.create_access_token.to_s }
 
   before do
diff --git a/spec/integration/api/notifications_controller_spec.rb b/spec/integration/api/notifications_controller_spec.rb
index 37e147cd0..41ad16945 100644
--- a/spec/integration/api/notifications_controller_spec.rb
+++ b/spec/integration/api/notifications_controller_spec.rb
@@ -3,10 +3,16 @@
 require "spec_helper"
 
 describe Api::V1::NotificationsController do
-  let(:auth) { FactoryGirl.create(:auth_with_read_and_write) }
-  let(:auth_read_only) { FactoryGirl.create(:auth_with_read) }
+  let(:auth) {
+    FactoryGirl.create(:auth_with_all_scopes)
+  }
+
+  let(:auth_profile_only) {
+    FactoryGirl.create(:auth_with_profile_only)
+  }
+
   let!(:access_token) { auth.create_access_token.to_s }
-  let!(:access_token_read_only) { auth_read_only.create_access_token.to_s }
+  let!(:access_token_profile_only) { auth_profile_only.create_access_token.to_s }
 
   before do
     @post = auth.user.post(
@@ -78,6 +84,14 @@ describe Api::V1::NotificationsController do
         expect(response.body).to eq(I18n.t("api.endpoint_errors.notifications.cant_process"))
       end
 
+      it "with insufficient credentials" do
+        get(
+          api_v1_notifications_path,
+          params: {access_token: access_token_profile_only}
+        )
+        expect(response.status).to eq(403)
+      end
+
       it "with improper credentials" do
         get(
           api_v1_notifications_path,
@@ -128,6 +142,14 @@ describe Api::V1::NotificationsController do
         expect(response.body).to eq(I18n.t("api.endpoint_errors.notifications.not_found"))
       end
 
+      it "with insufficient credentials" do
+        get(
+          api_v1_notification_path(@notification.guid),
+          params: {access_token: access_token_profile_only}
+        )
+        expect(response.status).to eq(403)
+      end
+
       it "with improper credentials" do
         get(
           api_v1_notification_path(@notification.guid),
@@ -175,10 +197,10 @@ describe Api::V1::NotificationsController do
         expect(response.body).to eq(I18n.t("api.endpoint_errors.notifications.cant_process"))
       end
 
-      it "with read only credentials" do
+      it "with insufficient credentials" do
         patch(
           api_v1_notification_path(@notification.guid),
-          params: {access_token: access_token_read_only}
+          params: {access_token: access_token_profile_only}
         )
         expect(response.status).to eq(403)
       end
diff --git a/spec/integration/api/photos_controller_spec.rb b/spec/integration/api/photos_controller_spec.rb
index 7b8e6349a..a3cf78466 100644
--- a/spec/integration/api/photos_controller_spec.rb
+++ b/spec/integration/api/photos_controller_spec.rb
@@ -3,10 +3,43 @@
 require "spec_helper"
 
 describe Api::V1::PhotosController do
-  let(:auth) { FactoryGirl.create(:auth_with_read_and_write) }
-  let(:auth_read_only) { FactoryGirl.create(:auth_with_read) }
+  let(:auth) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read public:modify private:read private:modify]
+    )
+  }
+
+  let(:auth_public_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read public:modify]
+    )
+  }
+
+  let(:auth_read_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read private:read]
+    )
+  }
+
+  let(:auth_public_only_read_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read]
+    )
+  }
+
+  let(:auth_profile_only) {
+    FactoryGirl.create(:auth_with_profile_only)
+  }
+
   let!(:access_token) { auth.create_access_token.to_s }
+  let!(:access_token_public_only) { auth_public_only.create_access_token.to_s }
   let!(:access_token_read_only) { auth_read_only.create_access_token.to_s }
+  let!(:access_token_public_only_read_only) { auth_public_only_read_only.create_access_token.to_s }
+  let!(:access_token_profile_only) { auth_profile_only.create_access_token.to_s }
 
   before do
     alice_private_spec = alice.aspects.create(name: "private aspect")
@@ -19,6 +52,17 @@ describe Api::V1::PhotosController do
     message_data = {status_message: {text: "Post with photos"}, public: true, photos: [@user_photo2.id.to_s]}
     @status_message = StatusMessageCreationService.new(auth.user).create(message_data)
     @user_photo2.reload
+
+    shared_spec = auth_public_only_read_only.user.aspects.create(name: "shared aspect")
+    auth_public_only_read_only.user.share_with(auth_public_only_read_only.user.person, shared_spec)
+    auth_public_only_read_only.user.share_with(auth_read_only.user.person, shared_spec)
+
+    @shared_photo1 = auth_public_only_read_only.user.post(
+      :photo,
+      pending:   false,
+      user_file: File.open(photo_fixture_name),
+      to:        shared_spec.id
+    )
   end
 
   describe "#show" do
@@ -57,6 +101,15 @@ describe Api::V1::PhotosController do
     end
 
     context "fails" do
+      it "with other this user's private photo without private:read scope in token" do
+        get(
+          api_v1_photo_path(@shared_photo1.guid),
+          params: {access_token: access_token_public_only_read_only}
+        )
+        expect(response.status).to eq(404)
+        expect(response.body).to eq(I18n.t("api.endpoint_errors.photos.not_found"))
+      end
+
       it "with other user's private photo" do
         get(
           api_v1_photo_path(@private_photo1.guid),
@@ -98,6 +151,23 @@ describe Api::V1::PhotosController do
       end
     end
 
+    context "only lists public photos" do
+      before do
+        auth_public_only_read_only.user.post(:photo, pending: false, user_file: File.open(photo_fixture_name),
+                                                 public: true)
+      end
+
+      it "with correct only public scope token" do
+        get(
+          api_v1_photos_path,
+          params: {access_token: access_token_public_only_read_only}
+        )
+        expect(response.status).to eq(200)
+        photos = response_body_data(response)
+        expect(photos.length).to eq(1)
+      end
+    end
+
     context "fails" do
       it "with invalid access token" do
         delete(
@@ -214,6 +284,14 @@ describe Api::V1::PhotosController do
         )
         expect(response.status).to eq(403)
       end
+
+      it "with private photo and no private:modify access token" do
+        post(
+          api_v1_photos_path,
+          params: {image: @encoded_photo, access_token: access_token_public_only_read_only}
+        )
+        expect(response.status).to eq(403)
+      end
     end
   end
 
@@ -264,6 +342,14 @@ describe Api::V1::PhotosController do
         )
         expect(response.status).to eq(403)
       end
+
+      it "with private photo and no private:modify token" do
+        delete(
+          api_v1_photo_path(@shared_photo1.guid),
+          params: {access_token: access_token_public_only_read_only}
+        )
+        expect(response.status).to eq(403)
+      end
     end
   end
 
diff --git a/spec/integration/api/post_interactions_controller_spec.rb b/spec/integration/api/post_interactions_controller_spec.rb
index 7c45f3734..86d662904 100644
--- a/spec/integration/api/post_interactions_controller_spec.rb
+++ b/spec/integration/api/post_interactions_controller_spec.rb
@@ -3,10 +3,27 @@
 require "spec_helper"
 
 describe Api::V1::PostInteractionsController do
-  let(:auth) { FactoryGirl.create(:auth_with_read_and_write) }
+  let(:auth) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read public:modify private:read private:modify interactions]
+    )
+  }
+
+  let(:auth_public_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read public:modify interactions]
+    )
+  }
+
+  let(:auth_profile_only) {
+    FactoryGirl.create(:auth_with_profile_only)
+  }
+
   let!(:access_token) { auth.create_access_token.to_s }
-  let(:auth_read_only) { FactoryGirl.create(:auth_with_read) }
-  let!(:access_token_read_only) { auth_read_only.create_access_token.to_s }
+  let!(:access_token_public_only) { auth_public_only.create_access_token.to_s }
+  let!(:access_token_profile_only) { auth_profile_only.create_access_token.to_s }
 
   before do
     @status = alice.post(
@@ -15,6 +32,13 @@ describe Api::V1::PostInteractionsController do
       public: true,
       to:     "all"
     )
+
+    alice_shared_aspect = alice.aspects.create(name: "shared aspect")
+    alice.share_with(auth_public_only.user.person, alice_shared_aspect)
+    alice.share_with(auth.user.person, alice_shared_aspect)
+    alice.share_with(auth_profile_only.user.person, alice_shared_aspect)
+
+    @shared_post = alice.post(:status_message, text: "to aspect only", public: false, to: alice_shared_aspect.id)
   end
 
   describe "#subscribe" do
@@ -61,16 +85,26 @@ describe Api::V1::PostInteractionsController do
         expect(response.body).to eq(I18n.t("api.endpoint_errors.posts.post_not_found"))
       end
 
-      it "with read only token" do
+      it "with insufficient token" do
         post(
           api_v1_post_subscribe_path(@status.guid),
           params: {
-            access_token: access_token_read_only
+            access_token: access_token_profile_only
           }
         )
         expect(response.status).to eq(403)
       end
 
+      it "on private post without private token" do
+        post(
+          api_v1_post_subscribe_path(@shared_post.guid),
+          params: {
+            access_token: access_token_public_only
+          }
+        )
+        expect(response.status).to eq(404)
+      end
+
       it "with invalid token" do
         post(
           api_v1_post_subscribe_path(@status.guid),
@@ -110,16 +144,26 @@ describe Api::V1::PostInteractionsController do
         expect(response.body).to eq(I18n.t("api.endpoint_errors.posts.post_not_found"))
       end
 
-      it "with read only token" do
+      it "with insufficient token" do
         post(
           api_v1_post_hide_path(@status.guid),
           params: {
-            access_token: access_token_read_only
+            access_token: access_token_profile_only
           }
         )
         expect(response.status).to eq(403)
       end
 
+      it "on private post without private token" do
+        post(
+          api_v1_post_hide_path(@shared_post.guid),
+          params: {
+            access_token: access_token_public_only
+          }
+        )
+        expect(response.status).to eq(404)
+      end
+
       it "with invalid token" do
         post(
           api_v1_post_hide_path(@status.guid),
@@ -186,16 +230,26 @@ describe Api::V1::PostInteractionsController do
         expect(response.status).to eq(404)
       end
 
-      it "with read only token" do
+      it "with insufficient token" do
         post(
           api_v1_post_mute_path(@status.guid),
           params: {
-            access_token: access_token_read_only
+            access_token: access_token_profile_only
           }
         )
         expect(response.status).to eq(403)
       end
 
+      it "on private post without private token" do
+        post(
+          api_v1_post_mute_path(@shared_post.guid),
+          params: {
+            access_token: access_token_public_only
+          }
+        )
+        expect(response.status).to eq(404)
+      end
+
       it "with invalid token" do
         post(
           api_v1_post_mute_path(@status.guid),
@@ -268,17 +322,28 @@ describe Api::V1::PostInteractionsController do
         expect(response.body).to eq(I18n.t("api.endpoint_errors.posts.cant_report"))
       end
 
-      it "with read only token" do
+      it "with insufficient token" do
         post(
           api_v1_post_report_path(@status.guid),
           params: {
             reason:       "My reason",
-            access_token: access_token_read_only
+            access_token: access_token_profile_only
           }
         )
         expect(response.status).to eq(403)
       end
 
+      it "on private post without private token" do
+        post(
+          api_v1_post_report_path(@shared_post.guid),
+          params: {
+            reason:       "My reason",
+            access_token: access_token_public_only
+          }
+        )
+        expect(response.status).to eq(404)
+      end
+
       it "with invalid token" do
         post(
           api_v1_post_report_path(@status.guid),
@@ -356,17 +421,29 @@ describe Api::V1::PostInteractionsController do
       expect(response.status).to eq(404)
       expect(response.body).to eq(I18n.t("api.endpoint_errors.posts.post_not_found"))
     end
-    it "with read only token" do
+
+    it "with insufficient token" do
       post(
         api_v1_post_vote_path(@poll_post.guid),
         params: {
           poll_answer_id: @poll_answer.id,
-          access_token:   access_token_read_only
+          access_token:   access_token_profile_only
         }
       )
       expect(response.status).to eq(403)
     end
 
+    it "on private post without private token" do
+      post(
+        api_v1_post_vote_path(@shared_post.guid),
+        params: {
+          poll_answer_id: @poll_answer.id,
+          access_token:   access_token_public_only
+        }
+      )
+      expect(response.status).to eq(404)
+    end
+
     it "with invalid token" do
       post(
         api_v1_post_vote_path(@poll_post.guid),
diff --git a/spec/integration/api/posts_controller_spec.rb b/spec/integration/api/posts_controller_spec.rb
index 19562d42b..61b96ecc7 100644
--- a/spec/integration/api/posts_controller_spec.rb
+++ b/spec/integration/api/posts_controller_spec.rb
@@ -3,16 +3,41 @@
 require "spec_helper"
 
 describe Api::V1::PostsController do
-  let!(:auth_with_read) { FactoryGirl.create(:auth_with_read) }
-  let!(:access_token_with_read) { auth_with_read.create_access_token.to_s }
+  let(:auth) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read public:modify private:read private:modify]
+    )
+  }
 
-  let(:auth_with_read_and_write) {
-    FactoryGirl.create(:auth_with_read_and_write)
+  let(:auth_public_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read public:modify]
+    )
   }
-  let!(:access_token_with_read_and_write) {
-    auth_with_read_and_write.create_access_token.to_s
+
+  let(:auth_read_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read private:read]
+    )
   }
 
+  let(:auth_public_only_read_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read]
+    )
+  }
+
+  let(:auth_profile_only) { FactoryGirl.create(:auth_with_profile_only) }
+  let!(:access_token) { auth.create_access_token.to_s }
+  let!(:access_token_public_only) { auth_public_only.create_access_token.to_s }
+  let!(:access_token_read_only) { auth_read_only.create_access_token.to_s }
+  let!(:access_token_public_only_read_only) { auth_public_only_read_only.create_access_token.to_s }
+  let!(:access_token_profile_only) { auth_profile_only.create_access_token.to_s }
+
   let(:alice_aspect) { alice.aspects.first }
 
   let(:alice_photo1) {
@@ -36,87 +61,12 @@ describe Api::V1::PostsController do
       )
     end
 
-    context "when mark notifications is omitted" do
-      # TODO: Determine if this needs to be added back to the spec or if this is just in the notifications services
-      xit "shows attempts to show the info and mark the user notifications" do
-        @status = auth_with_read.user.post(
-          :status_message,
-          text:   "hello @{bob Testing ; bob@example.com}",
-          public: true,
-          to:     "all"
-        )
-        get(
-          api_v1_post_path(@status.id),
-          params: {access_token: access_token_with_read}
-        )
-        expect(response.status).to eq(200)
-        post = response_body(response)
-        expect(post["post_type"]).to eq("StatusMessage")
-        expect(post["public"]).to eq(true)
-        expect(post["author"]["id"]).to eq(auth_with_read.user.person.id)
-        expect(post["interactions"]["comments_count"]).to eq(0)
-
-        mention_ids = Mention.where(
-          mentions_container_id:   @status.id,
-          mentions_container_type: "Post",
-          person_id:               bob.person.id
-        ).ids
-        Notification.where(
-          recipient_id: bob.person.id,
-          target_type:  "Mention",
-          target_id:    mention_ids,
-          unread:       true
-        )
-        # expect(notifications.length).to eq(0)
-      end
-    end
-
-    context "when mark notifications is false" do
-      # TODO: Determine if this needs to be added back to the spec or if this is just in the notifications services
-      xit "shows attempts to show the info" do
-        @status = auth_with_read.user.post(
-          :status_message,
-          text:   "hello @{bob ; bob@example.com}",
-          public: true,
-          to:     "all"
-        )
-
-        get(
-          api_v1_post_path(@status.id),
-          params: {
-            access_token:       access_token_with_read,
-            mark_notifications: "false"
-          }
-        )
-        expect(response.status).to eq(200)
-        post = response_body(response)
-
-        expect(post["post_type"]).to eq("StatusMessage")
-        expect(post["public"]).to eq(true)
-        expect(post["author"]["id"]).to eq(auth_with_read.user.person.id)
-        expect(post["interactions"]["comments_count"]).to eq(0)
-
-        mention_ids = Mention.where(
-          mentions_container_id:   @status.id,
-          mentions_container_type: "Post",
-          person_id:               bob.person.id
-        ).ids
-        Notification.where(
-          recipient_id: bob.person.id,
-          target_type:  "Mention",
-          target_id:    mention_ids,
-          unread:       true
-        )
-        # expect(notifications.length).to eq(1)
-      end
-    end
-
     context "access simple by post ID" do
       it "gets post" do
         get(
-          api_v1_post_path(@status.id),
+          api_v1_post_path(@status.guid),
           params: {
-            access_token: access_token_with_read
+            access_token: access_token
           }
         )
         expect(response.status).to eq(200)
@@ -136,9 +86,9 @@ describe Api::V1::PostsController do
         status_message = StatusMessageCreationService.new(alice).create(merged_params)
 
         get(
-          api_v1_post_path(status_message.id),
+          api_v1_post_path(status_message.guid),
           params: {
-            access_token: access_token_with_read
+            access_token: access_token
           }
         )
         expect(response.status).to eq(200)
@@ -151,9 +101,9 @@ describe Api::V1::PostsController do
       it "gets post" do
         reshare_post = FactoryGirl.create(:reshare, root: @status, author: bob.person)
         get(
-          api_v1_post_path(reshare_post.id),
+          api_v1_post_path(reshare_post.guid),
           params: {
-            access_token: access_token_with_read
+            access_token: access_token
           }
         )
         expect(response.status).to eq(200)
@@ -166,9 +116,9 @@ describe Api::V1::PostsController do
       it "fails to get post" do
         private_post = alice.post(:status_message, text: "to aspect only", public: false, to: alice.aspects.first.id)
         get(
-          api_v1_post_path(private_post.id),
+          api_v1_post_path(private_post.guid),
           params: {
-            access_token: access_token_with_read
+            access_token: access_token
           }
         )
         expect(response.status).to eq(404)
@@ -176,12 +126,38 @@ describe Api::V1::PostsController do
       end
     end
 
+    context "access private post to reader without private:read scope in token" do
+      it "fails to get post" do
+        alice_shared_aspect = alice.aspects.create(name: "shared aspect")
+        alice.share_with(auth_public_only_read_only.user.person, alice_shared_aspect)
+        alice.share_with(auth_read_only.user.person, alice_shared_aspect)
+
+        shared_post = alice.post(:status_message, text: "to aspect only", public: false, to: alice_shared_aspect.id)
+        get(
+          api_v1_post_path(shared_post.guid),
+          params: {
+            access_token: access_token_public_only_read_only
+          }
+        )
+        expect(response.status).to eq(404)
+        expect(response.body).to eq(I18n.t("api.endpoint_errors.posts.post_not_found"))
+
+        get(
+          api_v1_post_path(shared_post.guid),
+          params: {
+            access_token: access_token_read_only
+          }
+        )
+        expect(response.status).to eq(200)
+      end
+    end
+
     context "access post with invalid id" do
       it "fails to get post" do
         get(
           api_v1_post_path("999_999_999"),
           params: {
-            access_token: access_token_with_read
+            access_token: access_token
           }
         )
         expect(response.status).to eq(404)
@@ -192,11 +168,11 @@ describe Api::V1::PostsController do
 
   describe "#create" do
     let(:user_photo1) {
-      auth_with_read_and_write.user.build_post(:photo, pending: true,
+      auth.user.build_post(:photo, pending: true,
                                                user_file: File.open(photo_fixture_name), to: "all").tap(&:save!)
     }
     let(:user_photo2) {
-      auth_with_read_and_write.user.build_post(:photo, pending: true,
+      auth.user.build_post(:photo, pending: true,
                                                user_file: File.open(photo_fixture_name), to: "all").tap(&:save!)
     }
 
@@ -205,7 +181,7 @@ describe Api::V1::PostsController do
 
     context "when given read-write access token" do
       it "creates a public post" do
-        post_for_ref_only = auth_with_read_and_write.user.post(
+        post_for_ref_only = auth.user.post(
           :status_message,
           text:   "Hello this is a public post!",
           public: true,
@@ -215,36 +191,51 @@ describe Api::V1::PostsController do
         post(
           api_v1_posts_path,
           params: {
-            access_token: access_token_with_read_and_write,
+            access_token: access_token,
             body:         "Hello this is a public post!",
             public:       true
           }
         )
         expect(response.status).to eq(200)
         post = response_body(response)
-        confirm_post_format(post, auth_with_read_and_write.user, post_for_ref_only)
+        confirm_post_format(post, auth.user, post_for_ref_only)
       end
 
       it "or creates a private post" do
-        aspect = Aspect.find_by(user_id: auth_with_read_and_write.user.id)
-        post_for_ref_only = auth_with_read_and_write.user.post(
+        aspect = auth.user.aspects.create(name: "new aspect")
+        post_for_ref_only = auth.user.post(
           :status_message,
           text:       "Hello this is a private post!",
-          aspect_ids: [aspect[:id]]
+          aspect_ids: [aspect.id]
         )
 
         post(
           api_v1_posts_path,
           params: {
-            access_token: access_token_with_read_and_write,
+            access_token: access_token,
             body:         "Hello this is a private post!",
             public:       false,
-            aspects:      [aspect[:id]]
+            aspects:      [aspect.id]
           }
         )
         post = response_body(response)
         expect(response.status).to eq(200)
-        confirm_post_format(post, auth_with_read_and_write.user, post_for_ref_only)
+        confirm_post_format(post, auth.user, post_for_ref_only)
+      end
+
+      it "doesn't creates a private post without private:modify scope in token" do
+        aspect = auth.user.aspects.create(name: "new aspect")
+        post(
+          api_v1_posts_path,
+          params: {
+            access_token: access_token_public_only,
+            body:         "Hello this is a private post!",
+            public:       false,
+            aspects:      [aspect.id]
+          }
+        )
+
+        expect(response.status).to eq(422)
       end
     end
 
@@ -253,12 +244,12 @@ describe Api::V1::PostsController do
         message_text = "Post with photos"
         base_params = {status_message: {text: message_text}, public: true}
         merged_params = base_params.merge(photos: user_photo_ids)
-        post_for_ref_only = StatusMessageCreationService.new(auth_with_read_and_write.user).create(merged_params)
+        post_for_ref_only = StatusMessageCreationService.new(auth.user).create(merged_params)
 
         post(
           api_v1_posts_path,
           params: {
-            access_token: access_token_with_read_and_write,
+            access_token: access_token,
             body:         message_text,
             public:       true,
             photos:       user_photo_guids
@@ -266,7 +257,7 @@ describe Api::V1::PostsController do
         )
         expect(response.status).to eq(200)
         post = response_body(response)
-        confirm_post_format(post, auth_with_read_and_write.user, post_for_ref_only)
+        confirm_post_format(post, auth.user, post_for_ref_only)
       end
 
       it "fails to add other's photos" do
@@ -275,7 +266,7 @@ describe Api::V1::PostsController do
         post(
           api_v1_posts_path,
           params: {
-            access_token: access_token_with_read_and_write,
+            access_token: access_token,
             body:         message_text,
             public:       true,
             photos:       alice_photo_guids
@@ -292,7 +283,7 @@ describe Api::V1::PostsController do
         post(
           api_v1_posts_path,
           params: {
-            access_token: access_token_with_read_and_write,
+            access_token: access_token,
             body:         message_text,
             public:       true,
             photos:       ["999_999_999"]
@@ -307,12 +298,12 @@ describe Api::V1::PostsController do
         poll_params = {poll_question: "something?", poll_answers: %w[yes no maybe]}
         base_params = {status_message: {text: message_text}, public: true}
         merged_params = base_params.merge(poll_params)
-        post_for_ref_only = StatusMessageCreationService.new(auth_with_read_and_write.user).create(merged_params)
+        post_for_ref_only = StatusMessageCreationService.new(auth.user).create(merged_params)
 
         post(
           api_v1_posts_path,
           params: {
-            access_token: access_token_with_read_and_write,
+            access_token: access_token,
             body:         message_text,
             public:       true,
             poll:         {
@@ -323,7 +314,7 @@ describe Api::V1::PostsController do
         )
         post = response_body(response)
         expect(response.status).to eq(200)
-        confirm_post_format(post, auth_with_read_and_write.user, post_for_ref_only)
+        confirm_post_format(post, auth.user, post_for_ref_only)
       end
 
       it "fails poll with no answers" do
@@ -331,7 +322,7 @@ describe Api::V1::PostsController do
         post(
           api_v1_posts_path,
           params: {
-            access_token: access_token_with_read_and_write,
+            access_token: access_token,
             body:         message_text,
             public:       true,
             poll:         {
@@ -349,7 +340,7 @@ describe Api::V1::PostsController do
         post(
           api_v1_posts_path,
           params: {
-            access_token: access_token_with_read_and_write,
+            access_token: access_token,
             body:         message_text,
             public:       true,
             poll:         {
@@ -366,7 +357,7 @@ describe Api::V1::PostsController do
         post(
           api_v1_posts_path,
           params: {
-            access_token: access_token_with_read_and_write,
+            access_token: access_token,
             body:         "",
             public:       true,
             poll:         {
@@ -384,12 +375,12 @@ describe Api::V1::PostsController do
         base_params = {status_message: {text: message_text}, public: true}
         location_params = {location_address: "somewhere", location_coords: "1,2"}
         merged_params = base_params.merge(location_params)
-        post_for_ref_only = StatusMessageCreationService.new(auth_with_read_and_write.user).create(merged_params)
+        post_for_ref_only = StatusMessageCreationService.new(auth.user).create(merged_params)
 
         post(
           api_v1_posts_path,
           params: {
-            access_token: access_token_with_read_and_write,
+            access_token: access_token,
             body:         message_text,
             public:       true,
             location:     {
@@ -401,12 +392,12 @@ describe Api::V1::PostsController do
         )
         post = response_body(response)
         expect(response.status).to eq(200)
-        confirm_post_format(post, auth_with_read_and_write.user, post_for_ref_only)
+        confirm_post_format(post, auth.user, post_for_ref_only)
       end
 
       it "creates with mentions" do
         message_text = "hello @{#{alice.diaspora_handle}} from Bob!"
-        post_for_ref_only = auth_with_read_and_write.user.post(
+        post_for_ref_only = auth.user.post(
           :status_message,
           text:   message_text,
           public: true
@@ -415,14 +406,14 @@ describe Api::V1::PostsController do
         post(
           api_v1_posts_path,
           params: {
-            access_token: access_token_with_read_and_write,
+            access_token: access_token,
             body:         message_text,
             public:       true
           }
         )
         post = response_body(response)
         expect(response.status).to eq(200)
-        confirm_post_format(post, auth_with_read_and_write.user, post_for_ref_only, [alice])
+        confirm_post_format(post, auth.user, post_for_ref_only, [alice])
       end
     end
 
@@ -432,7 +423,7 @@ describe Api::V1::PostsController do
         post(
           api_v1_posts_path,
           params: {
-            access_token: access_token_with_read_and_write,
+            access_token: access_token,
             body:         message_text,
             public:       true
           }
@@ -459,7 +450,7 @@ describe Api::V1::PostsController do
         post(
           api_v1_posts_path,
           params: {
-            access_token: access_token_with_read_and_write,
+            access_token: access_token,
             public:       true
           }
         )
@@ -472,7 +463,7 @@ describe Api::V1::PostsController do
         post(
           api_v1_posts_path,
           params: {
-            access_token: access_token_with_read_and_write,
+            access_token: access_token,
             body:         message_text
           }
         )
@@ -485,7 +476,7 @@ describe Api::V1::PostsController do
         post(
           api_v1_posts_path,
           params: {
-            access_token: access_token_with_read_and_write,
+            access_token: access_token,
             body:         message_text,
             public:       false
           }
@@ -499,7 +490,7 @@ describe Api::V1::PostsController do
         post(
           api_v1_posts_path,
           params: {
-            access_token: access_token_with_read_and_write,
+            access_token: access_token,
             body:         message_text,
             public:       false,
             aspects:      ["-1"]
@@ -510,14 +501,15 @@ describe Api::V1::PostsController do
       end
 
       it "fails when no public field but aspects" do
-        aspect = Aspect.find_by(user_id: auth_with_read_and_write.user.id)
+        aspect = auth.user.aspects.create(name: "new aspect")
+        auth.user.share_with(alice.person, aspect)
         message_text = "hello @{#{alice.diaspora_handle}} from Bob!"
         post(
           api_v1_posts_path,
           params: {
-            access_token: access_token_with_read_and_write,
+            access_token: access_token,
             body:         message_text,
-            aspects:      [aspect[:id]]
+            aspects:      [aspect.id]
           }
         )
         expect(response.status).to eq(422)
@@ -530,7 +522,7 @@ describe Api::V1::PostsController do
         post(
           api_v1_posts_path,
           params: {
-            access_token:   access_token_with_read,
+            access_token:   access_token_read_only,
             status_message: {text: "Hello this is a post!"},
             public:         true
           }
@@ -543,15 +535,15 @@ describe Api::V1::PostsController do
   describe "#destroy" do
     context "when given read-write access token" do
       it "attempts to destroy the post" do
-        @status = auth_with_read_and_write.user.post(
+        @status = auth.user.post(
           :status_message,
           text:   "hello",
           public: true,
           to:     "all"
         )
         delete(
-          api_v1_post_path(@status.id),
-          params: {access_token: access_token_with_read_and_write}
+          api_v1_post_path(@status.guid),
+          params: {access_token: access_token}
         )
         expect(response.status).to eq(204)
       end
@@ -559,14 +551,31 @@ describe Api::V1::PostsController do
 
     context "when given read only access token" do
       it "doesn't delete the post" do
-        @status = auth_with_read.user.post(
+        @status = auth.user.post(
           :status_message,
           text:   "hello",
           public: true
         )
         delete(
-          api_v1_post_path(@status.id),
-          params: {access_token: access_token_with_read}
+          api_v1_post_path(@status.guid),
+          params: {access_token: access_token_read_only}
+        )
+
+        expect(response.status).to eq(403)
+      end
+    end
+
+    context "when post is private but no private:modify scope in token" do
+      it "doesn't delete the post" do
+        aspect = auth_public_only.user.aspects.create(name: "new aspect")
+        @status = auth_public_only.user.post(
+          :status_message,
+          text:    "hello",
+          aspects: [aspect.id]
+        )
+        delete(
+          api_v1_post_path(@status.guid),
+          params: {access_token: access_token_public_only}
         )
 
         expect(response.status).to eq(403)
@@ -577,7 +586,7 @@ describe Api::V1::PostsController do
       it "doesn't delete a post" do
         delete(
           api_v1_post_path("999_999_999"),
-          params: {access_token: access_token_with_read_and_write}
+          params: {access_token: access_token}
         )
         expect(response.status).to eq(404)
         expect(response.body).to eq(I18n.t("api.endpoint_errors.posts.post_not_found"))
@@ -595,7 +604,7 @@ describe Api::V1::PostsController do
 
         delete(
           api_v1_post_path(status.guid),
-          params: {access_token: access_token_with_read_and_write}
+          params: {access_token: access_token}
         )
         expect(response.status).to eq(403)
         expect(response.body).to eq(I18n.t("api.endpoint_errors.posts.failed_delete"))
diff --git a/spec/integration/api/reshares_controller_spec.rb b/spec/integration/api/reshares_controller_spec.rb
index f02a148fd..d8be142e7 100644
--- a/spec/integration/api/reshares_controller_spec.rb
+++ b/spec/integration/api/reshares_controller_spec.rb
@@ -3,10 +3,21 @@
 require "spec_helper"
 
 describe Api::V1::ResharesController do
-  let(:auth) { FactoryGirl.create(:auth_with_read_and_write) }
+  let(:auth) {
+    FactoryGirl.create(:auth_with_all_scopes)
+  }
+
+  let(:auth_read_only) {
+    FactoryGirl.create(:auth_with_read_scopes)
+  }
+
+  let(:auth_profile_only) {
+    FactoryGirl.create(:auth_with_profile_only)
+  }
+
   let!(:access_token) { auth.create_access_token.to_s }
-  let(:auth_read_only) { FactoryGirl.create(:auth_with_read) }
   let!(:access_token_read_only) { auth_read_only.create_access_token.to_s }
+  let!(:access_token_profile_only) { auth_profile_only.create_access_token.to_s }
 
   before do
     @user_post = auth.user.post(
diff --git a/spec/integration/api/search_controller_spec.rb b/spec/integration/api/search_controller_spec.rb
index eaea24f60..883f8e22a 100644
--- a/spec/integration/api/search_controller_spec.rb
+++ b/spec/integration/api/search_controller_spec.rb
@@ -3,10 +3,30 @@
 require "spec_helper"
 
 describe Api::V1::SearchController do
-  let(:auth) { FactoryGirl.create(:auth_with_read_and_write) }
+  let(:auth) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read public:modify private:read private:modify]
+    )
+  }
+
+  let(:auth_read_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read private:read]
+    )
+  }
+
+  let(:auth_public_only_read_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read]
+    )
+  }
+
   let!(:access_token) { auth.create_access_token.to_s }
-  let(:auth_read_only) { FactoryGirl.create(:auth_with_read) }
   let!(:access_token_read_only) { auth_read_only.create_access_token.to_s }
+  let!(:access_token_public_only_read_only) { auth_public_only_read_only.create_access_token.to_s }
 
   describe "#user_index" do
     before do
@@ -40,7 +60,7 @@ describe Api::V1::SearchController do
       )
       expect(response.status).to eq(200)
       users = response_body_data(response)
-      expect(users.length).to eq(14)
+      expect(users.length).to eq(15)
     end
 
     it "succeeds by name" do
@@ -83,6 +103,19 @@ describe Api::V1::SearchController do
       expect(users.length).to eq(0)
     end
 
+    it "doesn't return hidden accounts who are linked without contacts:read token" do
+      aspect_to = auth_public_only_read_only.user.aspects.create(name: "shared aspect")
+      auth_public_only_read_only.user.share_with(@unsearchable_user, aspect_to)
+
+      get(
+        "/api/v1/search/users",
+        params: {name_or_handle: "unsearchable@example.org", access_token: access_token_public_only_read_only}
+      )
+      expect(response.status).to eq(200)
+      users = response_body_data(response)
+      expect(users.length).to eq(0)
+    end
+
     it "fails if ask for both" do
       get(
         "/api/v1/search/users",
@@ -123,16 +156,44 @@ describe Api::V1::SearchController do
         text:   "This is Eve's status message #tag2 #tag3",
         public: true
       )
+
+      aspect = eve.aspects.create(name: "shared aspect")
+      eve.share_with(auth_public_only_read_only.user.person, aspect)
+      eve.share_with(auth.user.person, aspect)
+      @eve_private_post = eve.post(
+        :status_message,
+        text:   "This is Eve's status message #tag2 #tag3",
+        public: false,
+        to:     aspect.id
+      )
     end
 
     it "succeeds by tag" do
+      get(
+        "/api/v1/search/posts",
+        params: {tag: "tag2", access_token: access_token_public_only_read_only}
+      )
+      expect(response.status).to eq(200)
+      posts = response_body_data(response)
+      expect(posts.length).to eq(2)
+    end
+
+    it "only returns public posts without private scope" do
+      get(
+        "/api/v1/search/posts",
+        params: {tag: "tag2", access_token: access_token_public_only_read_only}
+      )
+      expect(response.status).to eq(200)
+      posts = response_body_data(response)
+      expect(posts.length).to eq(2)
+
       get(
         "/api/v1/search/posts",
         params: {tag: "tag2", access_token: access_token}
       )
       expect(response.status).to eq(200)
       posts = response_body_data(response)
-      expect(posts.length).to eq(2)
+      expect(posts.length).to eq(3)
     end
 
     it "fails with missing parameters" do
diff --git a/spec/integration/api/streams_controller_spec.rb b/spec/integration/api/streams_controller_spec.rb
index 9ca4dcf21..32a01056a 100644
--- a/spec/integration/api/streams_controller_spec.rb
+++ b/spec/integration/api/streams_controller_spec.rb
@@ -3,57 +3,158 @@
 require "spec_helper"
 
 describe Api::V1::StreamsController do
-  let(:auth) { FactoryGirl.create(:auth_with_read_and_write) }
-  let!(:access_token) { auth.create_access_token.to_s }
+  let(:auth_read_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read private:read contacts:read tags:read]
+    )
+  }
+
+  let(:auth_public_only_tags) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read tags:read]
+    )
+  }
+
+  let(:auth_public_only_read_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read]
+    )
+  }
+
+  let!(:access_token_read_only) { auth_read_only.create_access_token.to_s }
+  let!(:access_token_public_only_tags) { auth_public_only_tags.create_access_token.to_s }
+  let!(:access_token_public_only_read_only) { auth_public_only_read_only.create_access_token.to_s }
 
   before do
-    @aspect = auth.user.aspects.first
-    @created_status = auth.user.post(:status_message, text: "This is a status message #test", public: true, to: "all")
-    auth.user.like!(@created_status)
-    @status = PostService.new(auth.user).find(@created_status.id)
+    @aspect = auth_read_only.user.aspects.create(name: "new aspect")
+    auth_read_only.user.share_with(auth_public_only_read_only.user.person, @aspect)
+
+    @created_status = auth_read_only.user.post(
+      :status_message,
+      text:   "This is a status message #test @{#{auth_read_only.user.diaspora_handle}}",
+      public: true
+    )
+    comment_service(auth_read_only.user).create(@created_status.guid, "Comment")
+    auth_read_only.user.like!(@created_status)
+    @status = PostService.new(auth_read_only.user).find(@created_status.id)
+
+    @private_post = auth_read_only.user.post(
+      :status_message,
+      text:   "This is a private status message #test @{#{auth_read_only.user.diaspora_handle}}",
+      public: false,
+      to:     @aspect.id
+    )
+    comment_service(auth_read_only.user).create(@private_post.guid, "Comment")
+    auth_read_only.user.like!(@private_post)
+
+    @created_status2 = auth_public_only_read_only.user.post(
+      :status_message,
+      text:   "This is a status message #test @{#{auth_public_only_read_only.user.diaspora_handle}}",
+      public: true
+    )
+    auth_public_only_read_only.user.like!(@created_status2)
+    comment_service(auth_public_only_read_only.user).create(@created_status2.guid, "Comment")
+    @created_status3 = auth_public_only_read_only.user.post(
+      :status_message,
+      text:   "This is a status message #test @{#{auth_public_only_read_only.user.diaspora_handle}}",
+      public: false,
+      to:     "all"
+    )
+    auth_public_only_read_only.user.like!(@created_status3)
+    comment_service(auth_public_only_read_only.user).create(@created_status3.guid, "Comment")
+
+    add_tag("test", auth_read_only.user)
+    add_tag("test", auth_public_only_tags.user)
   end
 
   describe "#aspect" do
     it "contains expected aspect message" do
       get(
         api_v1_aspects_stream_path(aspect_ids: JSON.generate([@aspect.id])),
-        params: {access_token: access_token}
+        params: {access_token: access_token_read_only}
       )
       expect(response.status).to eq 200
       post = response_body_data(response)
-      expect(post.length).to eq 1
-      confirm_post_format(post[0], auth.user, @status)
+      expect(post.length).to eq 3
+      json_post = post.select {|p| p["guid"] == @status.guid }.first
+      confirm_post_format(json_post, auth_read_only.user, @status)
     end
 
     it "all aspects expected aspect message" do
       get(
         api_v1_aspects_stream_path,
-        params: {access_token: access_token}
+        params: {access_token: access_token_read_only}
       )
       expect(response.status).to eq 200
       post = response_body_data(response)
-      expect(post.length).to eq 1
-      confirm_post_format(post[0], auth.user, @status)
+      expect(post.length).to eq 3
+      json_post = post.select {|p| p["guid"] == @status.guid }.first
+      confirm_post_format(json_post, auth_read_only.user, @status)
     end
 
     it "does not save to requested aspects to session" do
       get(
         api_v1_aspects_stream_path(a_ids: [@aspect.id]),
-        params: {access_token: access_token}
+        params: {access_token: access_token_read_only}
       )
       expect(session[:a_ids]).to be_nil
     end
+
+    it "fails without impromper credentials" do
+      get(
+        api_v1_aspects_stream_path(a_ids: [@aspect.id]),
+        params: {access_token: access_token_public_only_read_only}
+      )
+      expect(response.status).to eq(403)
+    end
+
+    it "fails with invalid credentials" do
+      get(
+        api_v1_aspects_stream_path(a_ids: [@aspect.id]),
+        params: {access_token: "999_999_999"}
+      )
+      expect(response.status).to eq(401)
+    end
   end
 
   describe "#tags" do
-    it "all tags expected aspect message" do
+    it "all tags expected" do
       get(
         api_v1_followed_tags_stream_path,
-        params: {access_token: access_token}
+        params: {access_token: access_token_read_only}
       )
-      expect(response.status).to eq 200
+      expect(response.status).to eq(200)
       post = response_body_data(response)
-      expect(post.length).to eq 0
+      expect(post.length).to eq(3)
+    end
+
+    it "public posts only tags expected" do
+      get(
+        api_v1_followed_tags_stream_path,
+        params: {access_token: access_token_public_only_tags}
+      )
+      expect(response.status).to eq(200)
+      post = response_body_data(response)
+      expect(post.length).to eq(2)
+    end
+
+    it "fails with improper credentials" do
+      get(
+        api_v1_followed_tags_stream_path,
+        params: {access_token: access_token_public_only_read_only}
+      )
+      expect(response.status).to eq(403)
+    end
+
+    it "fails with invalid credentials" do
+      get(
+        api_v1_followed_tags_stream_path,
+        params: {access_token: "999_999_999"}
+      )
+      expect(response.status).to eq(401)
     end
   end
 
@@ -61,12 +162,31 @@ describe Api::V1::StreamsController do
     it "contains activity message" do
       get(
         api_v1_activity_stream_path,
-        params: {access_token: access_token}
+        params: {access_token: access_token_read_only}
       )
       expect(response.status).to eq 200
       post = response_body_data(response)
-      expect(post.length).to eq 1
-      confirm_post_format(post[0], auth.user, @status)
+      expect(post.length).to eq 2
+      json_post = post.select {|p| p["guid"] == @status.guid }.first
+      confirm_post_format(json_post, auth_read_only.user, @status)
+    end
+
+    it "public posts only expected" do
+      get(
+        api_v1_activity_stream_path,
+        params: {access_token: access_token_public_only_read_only}
+      )
+      expect(response.status).to eq(200)
+      post = response_body_data(response)
+      expect(post.length).to eq(1)
+    end
+
+    it "fails with invalid credentials" do
+      get(
+        api_v1_activity_stream_path,
+        params: {access_token: "999_999_999"}
+      )
+      expect(response.status).to eq(401)
     end
   end
 
@@ -74,12 +194,31 @@ describe Api::V1::StreamsController do
     it "contains main message" do
       get(
         api_v1_stream_path,
-        params: {access_token: access_token}
+        params: {access_token: access_token_read_only}
+      )
+      expect(response.status).to eq 200
+      post = response_body_data(response)
+      expect(post.length).to eq 3
+      json_post = post.select {|p| p["guid"] == @status.guid }.first
+      confirm_post_format(json_post, auth_read_only.user, @status)
+    end
+
+    it "public posts only expected" do
+      get(
+        api_v1_stream_path,
+        params: {access_token: access_token_public_only_read_only}
       )
       expect(response.status).to eq 200
       post = response_body_data(response)
       expect(post.length).to eq 1
-      confirm_post_format(post[0], auth.user, @status)
+    end
+
+    it "fails with invalid credentials" do
+      get(
+        api_v1_stream_path,
+        params: {access_token: "999_999_999"}
+      )
+      expect(response.status).to eq 401
     end
   end
 
@@ -87,11 +226,29 @@ describe Api::V1::StreamsController do
     it "contains commented message" do
       get(
         api_v1_commented_stream_path,
-        params: {access_token: access_token}
+        params: {access_token: access_token_read_only}
       )
       expect(response.status).to eq 200
       post = response_body_data(response)
-      expect(post.length).to eq 0
+      expect(post.length).to eq 2
+    end
+
+    it "public posts only expected" do
+      get(
+        api_v1_commented_stream_path,
+        params: {access_token: access_token_public_only_read_only}
+      )
+      expect(response.status).to eq 200
+      post = response_body_data(response)
+      expect(post.length).to eq 1
+    end
+
+    it "fails with invalid credentials" do
+      get(
+        api_v1_commented_stream_path,
+        params: {access_token: "999_999_999"}
+      )
+      expect(response.status).to eq 401
     end
   end
 
@@ -99,11 +256,29 @@ describe Api::V1::StreamsController do
     it "contains mentions message" do
       get(
         api_v1_mentions_stream_path,
-        params: {access_token: access_token}
+        params: {access_token: access_token_read_only}
       )
       expect(response.status).to eq 200
       post = response_body_data(response)
-      expect(post.length).to eq 0
+      expect(post.length).to eq 2
+    end
+
+    it "public posts only expected" do
+      get(
+        api_v1_mentions_stream_path,
+        params: {access_token: access_token_public_only_read_only}
+      )
+      expect(response.status).to eq 200
+      post = response_body_data(response)
+      expect(post.length).to eq 1
+    end
+
+    it "fails with invalid credentials" do
+      get(
+        api_v1_mentions_stream_path,
+        params: {access_token: "999_999_999"}
+      )
+      expect(response.status).to eq 401
     end
   end
 
@@ -111,12 +286,31 @@ describe Api::V1::StreamsController do
     it "contains liked message" do
       get(
         api_v1_liked_stream_path,
-        params: {access_token: access_token}
+        params: {access_token: access_token_read_only}
+      )
+      expect(response.status).to eq 200
+      post = response_body_data(response)
+      expect(post.length).to eq 2
+      json_post = post.select {|p| p["guid"] == @status.guid }.first
+      confirm_post_format(json_post, auth_read_only.user, @status)
+    end
+
+    it "public posts only expected" do
+      get(
+        api_v1_liked_stream_path,
+        params: {access_token: access_token_public_only_read_only}
       )
       expect(response.status).to eq 200
       post = response_body_data(response)
       expect(post.length).to eq 1
-      confirm_post_format(post[0], auth.user, @status)
+    end
+
+    it "fails with invalid credentials" do
+      get(
+        api_v1_liked_stream_path,
+        params: {access_token: "999_999_999"}
+      )
+      expect(response.status).to eq 401
     end
   end
 
@@ -209,4 +403,15 @@ describe Api::V1::StreamsController do
   def response_body_data(response)
     JSON.parse(response.body)["data"]
   end
+
+  def add_tag(name, user)
+    tag = ActsAsTaggableOn::Tag.find_or_create_by(name: name)
+    tag_following = user.tag_followings.new(tag_id: tag.id)
+    tag_following.save
+    tag_following
+  end
+
+  def comment_service(user)
+    CommentService.new(user)
+  end
 end
diff --git a/spec/integration/api/tag_followings_controller_spec.rb b/spec/integration/api/tag_followings_controller_spec.rb
index 3e6485858..eb26c4257 100755
--- a/spec/integration/api/tag_followings_controller_spec.rb
+++ b/spec/integration/api/tag_followings_controller_spec.rb
@@ -3,12 +3,29 @@
 require "spec_helper"
 
 describe Api::V1::TagFollowingsController do
-  let(:auth) { FactoryGirl.create(:auth_with_read_and_write) }
+  let(:auth) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid tags:read tags:modify]
+    )
+  }
+
+  let(:auth_read_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid tags:read]
+    )
+  }
+
+  let(:auth_profile_only) { FactoryGirl.create(:auth_with_profile_only) }
   let!(:access_token) { auth.create_access_token.to_s }
+  let!(:access_token_read_only) { auth_read_only.create_access_token.to_s }
+  let!(:access_token_profile_only) { auth_profile_only.create_access_token.to_s }
 
   before do
     @expected_tags = %w[tag1 tag2 tag3]
     @expected_tags.each {|tag| add_tag(tag, auth.user) }
+    @expected_tags.each {|tag| add_tag(tag, auth_read_only.user) }
     @initial_count = @expected_tags.length
   end
 
@@ -38,7 +55,7 @@ describe Api::V1::TagFollowingsController do
           params: {access_token: access_token}
         )
 
-        expect(response.status).to eq(400)
+        expect(response.status).to eq(422)
         expect(response.body).to eq(I18n.t("api.endpoint_errors.tags.cant_process"))
       end
     end
@@ -50,10 +67,28 @@ describe Api::V1::TagFollowingsController do
           params: {name: "tag3", access_token: access_token}
         )
 
-        expect(response.status).to eq(400)
+        expect(response.status).to eq(422)
         expect(response.body).to eq(I18n.t("api.endpoint_errors.tags.cant_process"))
       end
     end
+
+    context "fails with credentials" do
+      it "insufficient scopes in token" do
+        post(
+          api_v1_tag_followings_path,
+          params: {name: "tag4", access_token: access_token_read_only}
+        )
+        expect(response.status).to eq(403)
+      end
+
+      it "invalid token" do
+        post(
+          api_v1_tag_followings_path,
+          params: {name: "tag4", access_token: "999_999_999"}
+        )
+        expect(response.status).to eq(401)
+      end
+    end
   end
 
   describe "#index" do
@@ -61,7 +96,7 @@ describe Api::V1::TagFollowingsController do
       it "succeeds" do
         get(
           api_v1_tag_followings_path,
-          params: {access_token: access_token}
+          params: {access_token: access_token_read_only}
         )
         expect(response.status).to eq(200)
         items = JSON.parse(response.body)
@@ -69,6 +104,24 @@ describe Api::V1::TagFollowingsController do
         @expected_tags.each {|tag| expect(items.find(tag)).to be_truthy }
       end
     end
+
+    context "fails with credentials" do
+      it "insufficient scopes in token" do
+        get(
+          api_v1_tag_followings_path,
+          params: {access_token: access_token_profile_only}
+        )
+        expect(response.status).to eq(403)
+      end
+
+      it "invalid token" do
+        get(
+          api_v1_tag_followings_path,
+          params: {access_token: "999_999_999"}
+        )
+        expect(response.status).to eq(401)
+      end
+    end
   end
 
   describe "#delete" do
@@ -107,6 +160,24 @@ describe Api::V1::TagFollowingsController do
         expect(items.length).to eq(@initial_count)
       end
     end
+
+    context "fails with credentials" do
+      it "insufficient scopes in token" do
+        delete(
+          api_v1_tag_following_path("tag1"),
+          params: {access_token: access_token_read_only}
+        )
+        expect(response.status).to eq(403)
+      end
+
+      it "invalid token" do
+        delete(
+          api_v1_tag_following_path("tag1"),
+          params: {access_token: "999_999_999"}
+        )
+        expect(response.status).to eq(401)
+      end
+    end
   end
 
   private
diff --git a/spec/integration/api/user_info_controller_spec.rb b/spec/integration/api/user_info_controller_spec.rb
index 334059d9c..dcae99918 100644
--- a/spec/integration/api/user_info_controller_spec.rb
+++ b/spec/integration/api/user_info_controller_spec.rb
@@ -1,7 +1,10 @@
 # frozen_string_literal: true
 
 describe Api::OpenidConnect::UserInfoController do
-  let!(:auth_with_read_and_ppid) { FactoryGirl.create(:auth_with_read_and_ppid) }
+  let!(:auth_with_read_and_ppid) {
+    FactoryGirl.create(:auth_with_profile_and_ppid)
+  }
+
   let!(:access_token_with_read) { auth_with_read_and_ppid.create_access_token.to_s }
 
   describe "#show" do
diff --git a/spec/integration/api/users_controller_spec.rb b/spec/integration/api/users_controller_spec.rb
index 015de2440..e76adfd2a 100644
--- a/spec/integration/api/users_controller_spec.rb
+++ b/spec/integration/api/users_controller_spec.rb
@@ -5,10 +5,46 @@ require "spec_helper"
 describe Api::V1::UsersController do
   include PeopleHelper
 
-  let(:auth) { FactoryGirl.create(:auth_with_read_and_write) }
-  let(:auth_read_only) { FactoryGirl.create(:auth_with_read) }
+  let(:full_scopes) {
+    %w[openid public:read public:modify private:read private:modify contacts:read profile profile:modify]
+  }
+
+  let(:auth) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: full_scopes
+    )
+  }
+
+  let(:auth_public_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read public:modify]
+    )
+  }
+
+  let(:auth_read_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read private:read contacts:read profile]
+    )
+  }
+
+  let(:auth_public_only_read_only) {
+    FactoryGirl.create(
+      :auth_with_profile_only,
+      scopes: %w[openid public:read]
+    )
+  }
+
+  let(:auth_profile_only) {
+    FactoryGirl.create(:auth_with_profile_only)
+  }
   let!(:access_token) { auth.create_access_token.to_s }
+  let!(:access_token_public_only) { auth_public_only.create_access_token.to_s }
   let!(:access_token_read_only) { auth_read_only.create_access_token.to_s }
+  let!(:access_token_public_only_read_only) { auth_public_only_read_only.create_access_token.to_s }
+  let!(:access_token_profile_only) { auth_profile_only.create_access_token.to_s }
 
   describe "#show" do
     context "Current User" do
@@ -49,7 +85,8 @@ describe Api::V1::UsersController do
       it "succeeds with in Aspect valid user" do
         alice.profile[:public_details] = true
         alice.profile.save
-        auth.user.share_with(alice.person, auth.user.aspects.first)
+        aspect = auth.user.aspects.create(name: "first")
+        auth.user.share_with(alice.person, aspect)
         get(
           "/api/v1/users/#{alice.guid}",
           params: {access_token: access_token}
@@ -86,12 +123,31 @@ describe Api::V1::UsersController do
 
       it "fails if invalid token" do
         get(
-          api_v1_user_path(alice.person.guid),
+          "/api/v1/users/#{alice.guid}",
           params: {access_token: "999_999_999"}
         )
         expect(response.status).to eq(401)
       end
 
+      it "fails for private profile if don't have contacts:read" do
+        unsearchable_user = FactoryGirl.create(
+          :person,
+          diaspora_handle: "unsearchable@example.org",
+          profile:         FactoryGirl.build(
+            :profile,
+            first_name: "Unsearchable",
+            last_name:  "Person",
+            searchable: false
+          )
+        )
+
+        get(
+          "/api/v1/users/#{unsearchable_user.guid}",
+          params: {access_token: access_token_profile_only}
+        )
+        expect(response.status).to eq(404)
+      end
+
       it "fails with invalid user GUID" do
         get(
           "/api/v1/users/999_999_999",
@@ -240,7 +296,8 @@ describe Api::V1::UsersController do
       contacts = response_body_data(response)
       expect(contacts.length).to eq(0)
 
-      auth.user.share_with(alice.person, auth.user.aspects.first)
+      aspect = auth.user.aspects.create(name: "first")
+      auth.user.share_with(alice.person, aspect)
       get(
         api_v1_user_contacts_path(auth.user.guid),
         params: {access_token: access_token}
@@ -269,6 +326,14 @@ describe Api::V1::UsersController do
       expect(response.body).to eq(I18n.t("api.endpoint_errors.users.not_found"))
     end
 
+    it "fails if insufficient scope token" do
+      get(
+        api_v1_user_contacts_path(alice.guid),
+        params: {access_token: access_token_public_only_read_only}
+      )
+      expect(response.status).to eq(403)
+    end
+
     it "fails if invalid token" do
       get(
         api_v1_user_contacts_path(alice.guid),
@@ -284,10 +349,10 @@ describe Api::V1::UsersController do
       alice.share_with(eve.person, alice_private_spec)
       alice.share_with(auth.user.person, alice.aspects.first)
 
-      auth.user.post(:photo, pending: false, user_file: File.open(photo_fixture_name), to: "all")
-      auth.user.post(:photo, pending: false, user_file: File.open(photo_fixture_name), to: "all")
-      @public_photo1 = alice.post(:photo, pending: false, user_file: File.open(photo_fixture_name), to: "all")
-      @public_photo2 = alice.post(:photo, pending: false, user_file: File.open(photo_fixture_name), to: "all")
+      auth.user.post(:photo, pending: false, user_file: File.open(photo_fixture_name), public: true)
+      auth.user.post(:photo, pending: false, user_file: File.open(photo_fixture_name), public: true)
+      @public_photo1 = alice.post(:photo, pending: false, user_file: File.open(photo_fixture_name), public: true)
+      @public_photo2 = alice.post(:photo, pending: false, user_file: File.open(photo_fixture_name), public: true)
       @shared_photo1 = alice.post(:photo, pending: false, user_file: File.open(photo_fixture_name),
                                   to: alice.aspects.first.id)
       @private_photo1 = alice.post(:photo, pending: false, user_file: File.open(photo_fixture_name),
@@ -309,6 +374,19 @@ describe Api::V1::UsersController do
         confirm_photos(photos)
       end
 
+      it "returns only public photos of other user without private:read scope in token" do
+        get(
+          api_v1_user_photos_path(alice.guid),
+          params: {access_token: access_token_public_only_read_only}
+        )
+        expect(response.status).to eq(200)
+        photos = response_body_data(response)
+        expect(photos.length).to eq(2)
+        guids = photos.map {|photo| photo["guid"] }
+        expect(guids).to include(@public_photo1.guid, @public_photo2.guid)
+        expect(guids).not_to include(@private_photo1.guid, @shared_photo1.guid)
+      end
+
       it "returns logged in user's photos" do
         get(
           api_v1_user_photos_path(auth.user.guid),
@@ -344,10 +422,11 @@ describe Api::V1::UsersController do
       alice.share_with(eve.person, alice_private_spec)
       alice.share_with(auth.user.person, alice.aspects.first)
 
-      auth.user.post(:status_message, text: "auth user message1", public: true, to: "all")
-      auth.user.post(:status_message, text: "auth user message2", public: true, to: "all")
-      @public_post1 = alice.post(:status_message, text: "alice public message1", public: true, to: "all")
-      @public_post2 = alice.post(:status_message, text: "alice public message2", public: true, to: "all")
+      auth.user.post(:status_message, text: "auth user message1", public: true)
+      auth.user.post(:status_message, text: "auth user message2", public: true)
+      auth.user.post(:status_message, text: "auth user message3", public: false, to: "all")
+      @public_post1 = alice.post(:status_message, text: "alice public message1", public: true)
+      @public_post2 = alice.post(:status_message, text: "alice public message2", public: true)
       @shared_post1 = alice.post(:status_message, text: "alice limited to auth user message",
                                  public: false, to: alice.aspects.first.id)
       @private_post1 = alice.post(:status_message, text: "alice limited hidden from auth user message",
@@ -377,6 +456,16 @@ describe Api::V1::UsersController do
         )
         expect(response.status).to eq(200)
         posts = response_body_data(response)
+        expect(posts.length).to eq(3)
+      end
+
+      it "returns public posts only without private:read scope in token" do
+        get(
+          api_v1_user_posts_path(auth.user.guid),
+          params: {access_token: access_token_public_only_read_only}
+        )
+        expect(response.status).to eq(200)
+        posts = response_body_data(response)
         expect(posts.length).to eq(2)
       end
     end
diff --git a/spec/lib/api/openid_connect/protected_resource_endpoint_spec.rb b/spec/lib/api/openid_connect/protected_resource_endpoint_spec.rb
index a77da83a0..0419e4a8d 100644
--- a/spec/lib/api/openid_connect/protected_resource_endpoint_spec.rb
+++ b/spec/lib/api/openid_connect/protected_resource_endpoint_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 describe Api::OpenidConnect::ProtectedResourceEndpoint, type: :request do
-  let(:auth_with_read) { FactoryGirl.create(:auth_with_read) }
+  let(:auth_with_read) { FactoryGirl.create(:auth_with_read_scopes) }
   let!(:access_token_with_read) { auth_with_read.create_access_token.to_s }
   let!(:expired_access_token) do
     access_token = auth_with_read.o_auth_access_tokens.create!
diff --git a/spec/lib/api/openid_connect/token_endpoint_spec.rb b/spec/lib/api/openid_connect/token_endpoint_spec.rb
index bccbbf2ae..0283cb0c9 100644
--- a/spec/lib/api/openid_connect/token_endpoint_spec.rb
+++ b/spec/lib/api/openid_connect/token_endpoint_spec.rb
@@ -64,9 +64,11 @@ describe Api::OpenidConnect::TokenEndpoint, type: :request do
       end
 
       it "should not allow a nil code" do
-        post api_openid_connect_access_tokens_path, params: {grant_type: "authorization_code",
-             client_id: client.client_id, client_secret: client.client_secret,
-             redirect_uri: "http://localhost:3000/", code: nil}
+        post api_openid_connect_access_tokens_path, params: {grant_type:    "authorization_code",
+                                                             client_id:     client.client_id,
+                                                             client_secret: client.client_secret,
+                                                             redirect_uri:  "http://localhost:3000/",
+                                                             code:          nil}
         expect(JSON.parse(response.body)["error"]).to eq("invalid_request")
       end
     end
diff --git a/spec/models/api/openid_connect/id_token_spec.rb b/spec/models/api/openid_connect/id_token_spec.rb
index 22efb08be..4134007db 100644
--- a/spec/models/api/openid_connect/id_token_spec.rb
+++ b/spec/models/api/openid_connect/id_token_spec.rb
@@ -2,7 +2,7 @@
 
 describe Api::OpenidConnect::IdToken, type: :model do
   describe "#to_jwt" do
-    let(:auth) { FactoryGirl.create(:auth_with_read) }
+    let(:auth) { FactoryGirl.create(:auth_with_profile_only) }
     let(:id_token) { Api::OpenidConnect::IdToken.new(auth, "nonce") }
 
     describe "decoded data" do
diff --git a/spec/services/post_service_spec.rb b/spec/services/post_service_spec.rb
index 21fdf7a24..c7c21e83b 100644
--- a/spec/services/post_service_spec.rb
+++ b/spec/services/post_service_spec.rb
@@ -181,6 +181,13 @@ describe PostService do
       PostService.new(alice).destroy(post.id)
     end
 
+    it "won't delete private post if explicitly unallowed" do
+      expect {
+        PostService.new(alice).destroy(post.id, false)
+      }.to raise_error Diaspora::NonPublic
+      expect(StatusMessage.find_by(id: post.id)).not_to be_nil
+    end
+
     it "will not let you destroy posts visible to you but that you do not own" do
       expect {
         PostService.new(bob).destroy(post.id)
diff --git a/spec/shared_behaviors/account_migration.rb b/spec/shared_behaviors/account_migration.rb
index 7187c44c3..ff836acea 100644
--- a/spec/shared_behaviors/account_migration.rb
+++ b/spec/shared_behaviors/account_migration.rb
@@ -176,7 +176,7 @@ shared_examples_for "it updates user references" do
   end
 
   it "updates authorization refrences" do
-    authorization = FactoryGirl.create(:auth_with_read, user: old_user)
+    authorization = FactoryGirl.create(:auth_with_read_scopes, user: old_user)
     run_migration
     expect(authorization.reload.user).to eq(new_user)
   end