diff --git a/app/controllers/api/v1/reshares_controller.rb b/app/controllers/api/v1/reshares_controller.rb
index 48f9edf81..8caca9e7e 100644
--- a/app/controllers/api/v1/reshares_controller.rb
+++ b/app/controllers/api/v1/reshares_controller.rb
@@ -25,6 +25,7 @@ module Api
         reshares_page[:data] = reshares_page[:data].map do |r|
           {
             guid:   r.guid,
+            created_at: r.created_at,
             author: PersonPresenter.new(r.author).as_api_json
           }
         end
diff --git a/app/models/api/openid_connect/o_auth_application.rb b/app/models/api/openid_connect/o_auth_application.rb
index d29856601..8d4005c39 100644
--- a/app/models/api/openid_connect/o_auth_application.rb
+++ b/app/models/api/openid_connect/o_auth_application.rb
@@ -46,7 +46,8 @@ module Api
 
       def as_json(opts={})
         data = super
-        data[:client_secret_expires_at] = 0
+        data["client_secret_expires_at"] = 0
+        data["token_endpoint_auth_method"] ||= "client_secret_post"
         data
       end
 
diff --git a/lib/schemas/api_v1.json b/lib/schemas/api_v1.json
index 30006d6ef..6faa4c04f 100644
--- a/lib/schemas/api_v1.json
+++ b/lib/schemas/api_v1.json
@@ -337,6 +337,20 @@
       ]
     },
 
+    "reshares": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "guid":  { "$ref": "#/definitions/guid" },
+          "created_at": { "$ref": "#/definitions/timestamp" },
+          "author": { "$ref": "#/definitions/short_profile" }
+        },
+        "required": ["guid", "created_at", "author"],
+        "additionalProperties": false
+      }
+    },
+
     "posts": {
       "type": "array",
       "items": { "$ref": "#/definitions/post" }
diff --git a/spec/controllers/api/openid_connect/clients_controller_spec.rb b/spec/controllers/api/openid_connect/clients_controller_spec.rb
index 63beab027..ce51fee21 100644
--- a/spec/controllers/api/openid_connect/clients_controller_spec.rb
+++ b/spec/controllers/api/openid_connect/clients_controller_spec.rb
@@ -3,7 +3,7 @@
 describe Api::OpenidConnect::ClientsController, type: :controller, suppress_csrf_verification: :none do
   describe "#create" do
     context "when valid parameters are passed" do
-      it "should return a client id" do
+      before do
         stub_request(:get, "http://example.com/uris")
           .with(headers: {
                   "Accept"          => "*/*",
@@ -15,15 +15,27 @@ describe Api::OpenidConnect::ClientsController, type: :controller, suppress_csrf
              response_types: [], grant_types: [], application_type: "web", contacts: [],
              logo_uri: "http://example.com/logo.png", client_uri: "http://example.com/client",
              policy_uri: "http://example.com/policy", tos_uri: "http://example.com/tos",
-             sector_identifier_uri: "http://example.com/uris", subject_type: "pairwise"}
+             sector_identifier_uri: "http://example.com/uris", subject_type: "pairwise"}      end
+
+      it "should return a client id" do
         client_json = JSON.parse(response.body)
         expect(client_json["client_id"].length).to eq(32)
         expect(client_json["ppid"]).to eq(true)
       end
+
+      it "should return a client secret expiration time" do
+        client_json = JSON.parse(response.body)
+        expect(client_json["client_secret_expires_at"]).to eq(0)
+      end
+
+      it "should return a default token endpoint authentication method" do
+        client_json = JSON.parse(response.body)
+        expect(client_json["token_endpoint_auth_method"]).to eq("client_secret_post")
+      end
     end
 
     context "when valid parameters with jwks is passed" do
-      it "should return a client id" do
+      before do
         stub_request(:get, "http://example.com/uris")
           .with(headers: {
                   "Accept"          => "*/*",
@@ -77,10 +89,18 @@ describe Api::OpenidConnect::ClientsController, type: :controller, suppress_csrf
                        }
                      ]
              }}
+      end
+
+      it "should return a client id" do
         client_json = JSON.parse(response.body)
         expect(client_json["client_id"].length).to eq(32)
         expect(client_json["ppid"]).to eq(true)
       end
+
+      it "should retain the token endpoint authentication  method" do
+        client_json = JSON.parse(response.body)
+        expect(client_json["token_endpoint_auth_method"]).to eq("private_key_jwt")
+      end
     end
 
     context "when valid parameters with jwks_uri is passed" do
diff --git a/spec/integration/api/aspects_controller_spec.rb b/spec/integration/api/aspects_controller_spec.rb
index e96125efb..9a9621cf1 100644
--- a/spec/integration/api/aspects_controller_spec.rb
+++ b/spec/integration/api/aspects_controller_spec.rb
@@ -46,7 +46,7 @@ describe Api::V1::AspectsController do
         expect(aspect["order"]).to eq(found_aspect.order_id)
       end
 
-      expect(aspects.to_json).to match_json_schema(:api_v1_schema)
+      expect(aspects.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/aspects")
     end
 
     context "without impromper credentials" do
@@ -81,7 +81,7 @@ describe Api::V1::AspectsController do
         expect(aspect["name"]).to eq(@aspect2.name)
         expect(aspect["order"]).to eq(@aspect2.order_id)
 
-        expect(aspect.to_json).to match_json_schema(:api_v1_schema)
+        expect(aspect.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/aspect")
       end
     end
 
diff --git a/spec/integration/api/comments_controller_spec.rb b/spec/integration/api/comments_controller_spec.rb
index 60eea9816..ae6a5cf81 100644
--- a/spec/integration/api/comments_controller_spec.rb
+++ b/spec/integration/api/comments_controller_spec.rb
@@ -144,7 +144,7 @@ describe Api::V1::CommentsController do
         confirm_comment_format(comments[0], auth.user, @comment_text1)
         confirm_comment_format(comments[1], auth.user, @comment_text2)
 
-        expect(comments.to_json).to match_json_schema(:api_v1_schema)
+        expect(comments.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/comments_or_messages")
       end
     end
 
diff --git a/spec/integration/api/contacts_controller_spec.rb b/spec/integration/api/contacts_controller_spec.rb
index faabb41d0..5e5b76c1f 100644
--- a/spec/integration/api/contacts_controller_spec.rb
+++ b/spec/integration/api/contacts_controller_spec.rb
@@ -58,7 +58,7 @@ describe Api::V1::ContactsController do
         contacts = response_body_data(response)
         expect(contacts.length).to eq(@aspect1.contacts.length)
 
-        expect(contacts.to_json).to match_json_schema(:api_v1_schema)
+        expect(contacts.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/users")
       end
     end
 
diff --git a/spec/integration/api/conversations_controller_spec.rb b/spec/integration/api/conversations_controller_spec.rb
index c88d53cda..4d903b4ab 100644
--- a/spec/integration/api/conversations_controller_spec.rb
+++ b/spec/integration/api/conversations_controller_spec.rb
@@ -170,7 +170,7 @@ describe Api::V1::ConversationsController do
       actual_conversation = returned_conversations.select {|c| c["guid"] == @read_conversation_guid }[0]
       confirm_conversation_format(actual_conversation, @read_conversation, [auth.user, alice])
 
-      expect(returned_conversations.to_json).to match_json_schema(:api_v1_schema)
+      expect(returned_conversations.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/conversations")
     end
 
     it "returns all the user unread conversations" do
@@ -227,7 +227,7 @@ describe Api::V1::ConversationsController do
         conversation = response_body(response)
         confirm_conversation_format(conversation, @conversation, [auth.user, alice])
 
-        expect(conversation.to_json).to match_json_schema(:api_v1_schema)
+        expect(conversation.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/conversation")
       end
     end
 
diff --git a/spec/integration/api/likes_controller_spec.rb b/spec/integration/api/likes_controller_spec.rb
index b462ef27b..d25d82265 100644
--- a/spec/integration/api/likes_controller_spec.rb
+++ b/spec/integration/api/likes_controller_spec.rb
@@ -75,7 +75,7 @@ describe Api::V1::LikesController do
         confirm_like_format(likes, bob)
         confirm_like_format(likes, auth.user)
 
-        expect(likes.to_json).to match_json_schema(:api_v1_schema)
+        expect(likes.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/likes")
       end
     end
 
diff --git a/spec/integration/api/messages_controller_spec.rb b/spec/integration/api/messages_controller_spec.rb
index 3fc365146..d2956b017 100644
--- a/spec/integration/api/messages_controller_spec.rb
+++ b/spec/integration/api/messages_controller_spec.rb
@@ -131,7 +131,7 @@ describe Api::V1::MessagesController do
         messages = response_body_data(response)
         expect(messages.length).to eq(1)
 
-        expect(messages.to_json).to match_json_schema(:api_v1_schema)
+        expect(messages.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/comments_or_messages")
 
         confirm_message_format(messages[0], "first message", auth.user)
         conversation = get_conversation(@conversation_guid)
diff --git a/spec/integration/api/notifications_controller_spec.rb b/spec/integration/api/notifications_controller_spec.rb
index 6c685537c..0edbd857e 100644
--- a/spec/integration/api/notifications_controller_spec.rb
+++ b/spec/integration/api/notifications_controller_spec.rb
@@ -41,7 +41,7 @@ describe Api::V1::NotificationsController do
         expect(notifications.length).to eq(2)
         confirm_notification_format(notifications[1], @notification, "also_commented", nil)
 
-        expect(notifications.to_json).to match_json_schema(:api_v1_schema)
+        expect(notifications.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/notifications")
       end
 
       it "with proper credentials and unread only" do
@@ -120,7 +120,7 @@ describe Api::V1::NotificationsController do
         notification = JSON.parse(response.body)
         confirm_notification_format(notification, @notification, "also_commented", @post)
 
-        expect(notification.to_json).to match_json_schema(:api_v1_schema)
+        expect(notification.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/notification")
       end
     end
 
diff --git a/spec/integration/api/photos_controller_spec.rb b/spec/integration/api/photos_controller_spec.rb
index 48f5837c7..457d67db9 100644
--- a/spec/integration/api/photos_controller_spec.rb
+++ b/spec/integration/api/photos_controller_spec.rb
@@ -78,7 +78,7 @@ describe Api::V1::PhotosController do
         expect(photo.has_key?("post")).to be_falsey
         confirm_photo_format(photo, @user_photo1)
 
-        expect(photo.to_json).to match_json_schema(:api_v1_schema)
+        expect(photo.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/photo")
       end
 
       it "with correct GUID user's photo used in post and access token" do
@@ -152,7 +152,7 @@ describe Api::V1::PhotosController do
         photos = response_body_data(response)
         expect(photos.length).to eq(2)
 
-        expect(photos.to_json).to match_json_schema(:api_v1_schema)
+        expect(photos.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/photos")
       end
     end
 
diff --git a/spec/integration/api/posts_controller_spec.rb b/spec/integration/api/posts_controller_spec.rb
index c2bb045f3..6cecda8b8 100644
--- a/spec/integration/api/posts_controller_spec.rb
+++ b/spec/integration/api/posts_controller_spec.rb
@@ -74,7 +74,7 @@ describe Api::V1::PostsController do
         post = response_body(response)
         confirm_post_format(post, alice, @status, [bob, eve])
 
-        expect(post.to_json).to match_json_schema(:api_v1_schema)
+        expect(post.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/post")
       end
     end
 
@@ -98,7 +98,7 @@ describe Api::V1::PostsController do
         post = response_body(response)
         confirm_post_format(post, alice, status_message)
 
-        expect(post.to_json).to match_json_schema(:api_v1_schema)
+        expect(post.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/post")
       end
     end
 
@@ -115,7 +115,7 @@ describe Api::V1::PostsController do
         post = response_body(response)
         confirm_reshare_format(post, @status, alice)
 
-        expect(post.to_json).to match_json_schema(:api_v1_schema)
+        expect(post.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/post")
       end
     end
 
diff --git a/spec/integration/api/reshares_controller_spec.rb b/spec/integration/api/reshares_controller_spec.rb
index 5f3cd7c79..328426238 100644
--- a/spec/integration/api/reshares_controller_spec.rb
+++ b/spec/integration/api/reshares_controller_spec.rb
@@ -55,7 +55,7 @@ describe Api::V1::ResharesController do
         expect(reshare["guid"]).not_to be_nil
         confirm_person_format(reshare["author"], alice)
 
-        expect(reshares.to_json).to match_json_schema(:api_v1_schema)
+        expect(reshares.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/reshares")
       end
 
       it "succeeds but empty with private post it can see" do
diff --git a/spec/integration/api/search_controller_spec.rb b/spec/integration/api/search_controller_spec.rb
index cc22f457a..73d1b084e 100644
--- a/spec/integration/api/search_controller_spec.rb
+++ b/spec/integration/api/search_controller_spec.rb
@@ -63,7 +63,7 @@ describe Api::V1::SearchController do
       users = response_body_data(response)
       expect(users.length).to eq(15)
 
-      expect(users.to_json).to match_json_schema(:api_v1_schema)
+      expect(users.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/users")
     end
 
     it "succeeds by name" do
@@ -75,7 +75,7 @@ describe Api::V1::SearchController do
       users = response_body_data(response)
       expect(users.length).to eq(1)
 
-      expect(users.to_json).to match_json_schema(:api_v1_schema)
+      expect(users.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/users")
     end
 
     it "succeeds by handle" do
@@ -87,7 +87,7 @@ describe Api::V1::SearchController do
       users = response_body_data(response)
       expect(users.length).to eq(1)
 
-      expect(users.to_json).to match_json_schema(:api_v1_schema)
+      expect(users.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/users")
     end
 
     it "doesn't return closed accounts" do
@@ -184,7 +184,7 @@ describe Api::V1::SearchController do
       posts = response_body_data(response)
       expect(posts.length).to eq(2)
 
-      expect(posts.to_json).to match_json_schema(:api_v1_schema)
+      expect(posts.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/posts")
     end
 
     it "only returns public posts without private scope" do
diff --git a/spec/integration/api/streams_controller_spec.rb b/spec/integration/api/streams_controller_spec.rb
index 5a88b53fb..ea80d1539 100644
--- a/spec/integration/api/streams_controller_spec.rb
+++ b/spec/integration/api/streams_controller_spec.rb
@@ -84,7 +84,7 @@ describe Api::V1::StreamsController do
 
       posts = response_body_data(response)
 
-      expect(posts.to_json).to match_json_schema(:api_v1_schema)
+      expect(posts.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/posts")
     end
 
     it "contains expected aspect message" do
@@ -146,7 +146,7 @@ describe Api::V1::StreamsController do
       posts = response_body_data(response)
       expect(posts.length).to eq(3)
 
-      expect(posts.to_json).to match_json_schema(:api_v1_schema)
+      expect(posts.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/posts")
     end
 
     it "public posts only tags expected" do
@@ -185,7 +185,7 @@ describe Api::V1::StreamsController do
       expect(response.status).to eq(200)
       posts = response_body_data(response)
 
-      expect(posts.to_json).to match_json_schema(:api_v1_schema)
+      expect(posts.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/posts")
     end
 
     it "contains activity message" do
@@ -228,7 +228,7 @@ describe Api::V1::StreamsController do
       expect(response.status).to eq(200)
       posts = response_body_data(response)
 
-      expect(posts.to_json).to match_json_schema(:api_v1_schema)
+      expect(posts.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/posts")
     end
 
     it "contains main message" do
@@ -271,7 +271,7 @@ describe Api::V1::StreamsController do
       expect(response.status).to eq(200)
       posts = response_body_data(response)
 
-      expect(posts.to_json).to match_json_schema(:api_v1_schema)
+      expect(posts.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/posts")
     end
 
     it "contains commented message" do
@@ -312,7 +312,7 @@ describe Api::V1::StreamsController do
       expect(response.status).to eq(200)
       posts = response_body_data(response)
 
-      expect(posts.to_json).to match_json_schema(:api_v1_schema)
+      expect(posts.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/posts")
     end
 
     it "contains mentions message" do
@@ -353,7 +353,7 @@ describe Api::V1::StreamsController do
       expect(response.status).to eq(200)
       posts = response_body_data(response)
 
-      expect(posts.to_json).to match_json_schema(:api_v1_schema)
+      expect(posts.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/posts")
     end
 
     it "contains liked message" do
diff --git a/spec/integration/api/tag_followings_controller_spec.rb b/spec/integration/api/tag_followings_controller_spec.rb
index bcb066db5..76ccc1588 100755
--- a/spec/integration/api/tag_followings_controller_spec.rb
+++ b/spec/integration/api/tag_followings_controller_spec.rb
@@ -104,7 +104,7 @@ describe Api::V1::TagFollowingsController do
         expect(items.length).to eq(@expected_tags.length)
         @expected_tags.each {|tag| expect(items.find(tag)).to be_truthy }
 
-        expect(items.to_json).to match_json_schema(:api_v1_schema)
+        expect(items.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/tags")
       end
     end
 
diff --git a/spec/integration/api/users_controller_spec.rb b/spec/integration/api/users_controller_spec.rb
index 226900c13..d13d0af24 100644
--- a/spec/integration/api/users_controller_spec.rb
+++ b/spec/integration/api/users_controller_spec.rb
@@ -64,7 +64,7 @@ describe Api::V1::UsersController do
         expect(user["guid"]).to eq(auth.user.guid)
         confirm_self_data_format(user)
 
-        expect(user.to_json).to match_json_schema(:api_v1_schema)
+        expect(user.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/own_user")
       end
 
       it "fails if invalid token" do
@@ -89,7 +89,7 @@ describe Api::V1::UsersController do
         expect(user["guid"]).to eq(alice.person.guid)
         confirm_public_profile_hash(user)
 
-        expect(user.to_json).to match_json_schema(:api_v1_schema)
+        expect(user.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/user")
       end
 
       it "succeeds with in Aspect valid user" do
@@ -106,7 +106,7 @@ describe Api::V1::UsersController do
         expect(user["guid"]).to eq(alice.person.guid)
         confirm_public_profile_hash(user)
 
-        expect(user.to_json).to match_json_schema(:api_v1_schema)
+        expect(user.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/user")
       end
 
       it "succeeds with limited data on non-public/not shared" do
@@ -133,7 +133,7 @@ describe Api::V1::UsersController do
         expect(user["guid"]).to eq(eve.person.guid)
         confirm_public_profile_hash(user)
 
-        expect(user.to_json).to match_json_schema(:api_v1_schema)
+        expect(user.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/user")
       end
 
       it "fails if invalid token" do
@@ -327,7 +327,7 @@ describe Api::V1::UsersController do
       expect(contacts.length).to eq(1)
       confirm_person_format(contacts[0], alice)
 
-      expect(contacts.to_json).to match_json_schema(:api_v1_schema)
+      expect(contacts.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/users")
     end
 
     it "fails with invalid GUID" do
@@ -395,7 +395,7 @@ describe Api::V1::UsersController do
         expect(guids).not_to include(@private_photo1.guid)
         confirm_photos(photos)
 
-        expect(photos.to_json).to match_json_schema(:api_v1_schema)
+        expect(photos.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/photos")
       end
 
       it "returns only public photos of other user without private:read scope in token" do
@@ -472,7 +472,7 @@ describe Api::V1::UsersController do
         post = posts.select {|p| p["guid"] == @public_post1.guid }
         confirm_post_format(post[0], alice, @public_post1)
 
-        expect(posts.to_json).to match_json_schema(:api_v1_schema)
+        expect(posts.to_json).to match_json_schema(:api_v1_schema, fragment: "#/definitions/posts")
       end
 
       it "returns logged in user's posts" do