diff --git a/public/openapi/read/categories.yaml b/public/openapi/read/categories.yaml
index 74e2a9d486..278ab8a7c1 100644
--- a/public/openapi/read/categories.yaml
+++ b/public/openapi/read/categories.yaml
@@ -193,6 +193,9 @@ get:
                                   description: An ISO 8601 formatted date string (complementing `timestamp`)
                                 pid:
                                   type: number
+                                index:
+                                  type: number
+                                  description: The index of the post
                                 topic:
                                   type: object
                                   properties:
@@ -200,6 +203,32 @@ get:
                                       type: string
                                     title:
                                       type: string
+                                user:
+                                  type: object
+                                  properties:
+                                      uid:
+                                        type: number
+                                        example: 1
+                                      username:
+                                        type: string
+                                        example: Dragon Fruit
+                                      userslug:
+                                        type: string
+                                        example: dragon-fruit
+                                      picture:
+                                        type: string
+                                        example: 'https://images.unsplash.com/photo-1560070094-e1f2ddec4337?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=256&h=256&q=80'
+                                        nullable: true
+                                      displayname:
+                                        type: string
+                                        description: This is either username or fullname depending on forum and user settings
+                                        example: Dragon Fruit
+                                      'icon:text':
+                                        type: string
+                                        example: D
+                                      'icon:bgColor':
+                                        type: string
+                                        example: '#9c27b0'
                             imageClass:
                               type: string
               - $ref: ../components/schemas/Pagination.yaml#/Pagination
diff --git a/public/openapi/read/index.yaml b/public/openapi/read/index.yaml
index 4e6c6e446b..41848f596b 100644
--- a/public/openapi/read/index.yaml
+++ b/public/openapi/read/index.yaml
@@ -195,6 +195,9 @@ get:
                                   description: An ISO 8601 formatted date string (complementing `timestamp`)
                                 pid:
                                   type: number
+                                index:
+                                  type: number
+                                  description: The index of the post
                                 topic:
                                   type: object
                                   properties:
@@ -202,6 +205,32 @@ get:
                                       type: string
                                     title:
                                       type: string
+                                user:
+                                  type: object
+                                  properties:
+                                      uid:
+                                        type: number
+                                        example: 1
+                                      username:
+                                        type: string
+                                        example: Dragon Fruit
+                                      userslug:
+                                        type: string
+                                        example: dragon-fruit
+                                      picture:
+                                        type: string
+                                        example: 'https://images.unsplash.com/photo-1560070094-e1f2ddec4337?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=256&h=256&q=80'
+                                        nullable: true
+                                      displayname:
+                                        type: string
+                                        description: This is either username or fullname depending on forum and user settings
+                                        example: Dragon Fruit
+                                      'icon:text':
+                                        type: string
+                                        example: D
+                                      'icon:bgColor':
+                                        type: string
+                                        example: '#9c27b0'
                             imageClass:
                               type: string
               - $ref: ../components/schemas/Pagination.yaml#/Pagination