diff --git a/server/middlewares/validators/users.ts b/server/middlewares/validators/users.ts
index 9cff51d45..37119e279 100644
--- a/server/middlewares/validators/users.ts
+++ b/server/middlewares/validators/users.ts
@@ -196,6 +196,7 @@ const deleteMeValidator = [
 
 const usersUpdateValidator = [
   param('id').isInt().not().isEmpty().withMessage('Should have a valid id'),
+
   body('password').optional().custom(isUserPasswordValid).withMessage('Should have a valid password'),
   body('email').optional().isEmail().withMessage('Should have a valid email attribute'),
   body('emailVerified').optional().isBoolean().withMessage('Should have a valid email verified attribute'),
diff --git a/support/doc/api/openapi.yaml b/support/doc/api/openapi.yaml
index 4fbf5b055..7316b0b58 100644
--- a/support/doc/api/openapi.yaml
+++ b/support/doc/api/openapi.yaml
@@ -195,7 +195,7 @@ tags:
     description: |
       PeerTube instances can mirror videos from one another, and help distribute some videos.
 
-      For importing videos as your own, refer to [video imports](#tag/Video-Upload/paths/~1videos~1imports/post).
+      For importing videos as your own, refer to [video imports](#operation/importVideo).
 x-tagGroups:
   - name: Accounts
     tags:
@@ -579,7 +579,9 @@ paths:
           application/json:
             schema:
               $ref: '#/components/schemas/AddUser'
-        description: User to create
+        description: |
+          If the smtp server is configured, you can leave the password empty and an email will be sent
+          asking the user to set it first.
         required: true
     get:
       summary: List users
@@ -743,9 +745,11 @@ paths:
                 properties:
                   videoQuotaUsed:
                     type: number
+                    description: The user video quota used so far in bytes
                     example: 16810141515
                   videoQuotaUsedDaily:
                     type: number
+                    description: The user video quota used today in bytes
                     example: 1681014151
   '/users/me/videos/{videoId}/rating':
     get:
@@ -759,9 +763,9 @@ paths:
         - name: videoId
           in: path
           required: true
-          description: 'The video id '
+          description: The video id
           schema:
-            type: string
+            $ref: '#/components/schemas/Video/properties/id'
       responses:
         '200':
           description: successful operation
@@ -1075,7 +1079,7 @@ paths:
               type: object
               properties:
                 avatarfile:
-                  description: The file to upload.
+                  description: The file to upload
                   type: string
                   format: binary
             encoding:
@@ -1370,7 +1374,12 @@ paths:
           content:
             application/json:
               schema:
+                nullable: true
                 type: string
+                minLength: 3
+                maxLength: 10000
+                example: |
+                  **[Want to help to translate this video?](https://weblate.framasoft.org/projects/what-is-peertube-video/)**\r\n\r\n**Take back the control of your videos! [#JoinPeertube](https://joinpeertube.org)**
   '/videos/{id}/views':
     post:
       summary: Add a view to a video
@@ -1757,7 +1766,7 @@ paths:
               schema:
                 $ref: '#/components/schemas/VideoUploadResponse'
         '403':
-          description: Live is not enabled, allow replay is not enabled, or max instance/user live videos limit is exceeded
+          description: live is not enabled, allow replay is not enabled, or max instance/user live videos limit is exceeded
       requestBody:
         content:
           multipart/form-data:
@@ -1862,11 +1871,11 @@ paths:
               $ref: '#/components/schemas/LiveVideoUpdate'
       responses:
         '204':
-          description: Successful operation
+          description: successful operation
         '400':
-          description: Bad parameters or trying to update a live that has already started
+          description: bad parameters or trying to update a live that has already started
         '403':
-          description: Trying to save replay of the live but saving replay is not enabled on the instance
+          description: trying to save replay of the live but saving replay is not enabled on the instance
 
   /users/me/abuses:
     get:
@@ -2017,7 +2026,8 @@ paths:
                   properties:
                     id:
                       description: Video id to report
-                      type: number
+                      allOf:
+                        - $ref: '#/components/schemas/Video/properties/id'
                     startAt:
                       type: integer
                       description: Timestamp in the video that marks the beginning of the report
@@ -2031,13 +2041,14 @@ paths:
                   properties:
                     id:
                       description: Comment id to report
-                      type: number
+                      allOf:
+                        - $ref: '#/components/schemas/VideoComment/properties/id'
                 account:
                   type: object
                   properties:
                     id:
                       description: Account id to report
-                      type: number
+                      type: integer
               required:
                 - reason
       responses:
@@ -2541,7 +2552,7 @@ paths:
                       $ref: '#/components/schemas/VideoPlaylist'
     post:
       summary: Create a video playlist
-      description: 'If the video playlist is set as public, the videoChannelId is mandatory.'
+      description: If the video playlist is set as public, `videoChannelId` is mandatory.
       operationId: createPlaylist
       security:
         - OAuth2: []
@@ -2559,9 +2570,9 @@ paths:
                     type: object
                     properties:
                       id:
-                        type: integer
+                        $ref: '#/components/schemas/VideoPlaylist/properties/id'
                       uuid:
-                        $ref: '#/components/schemas/UUIDv4'
+                        $ref: '#/components/schemas/VideoPlaylist/properties/uuid'
       requestBody:
         content:
           multipart/form-data:
@@ -2582,9 +2593,12 @@ paths:
                 description:
                   description: Video playlist description
                   type: string
+                  minLength: 3
+                  maxLength: 1000
                 videoChannelId:
+                  allOf:
+                    - $ref: '#/components/schemas/id'
                   description: Video channel in which the playlist will be published
-                  type: integer
               required:
                 - displayName
             encoding:
@@ -2638,8 +2652,9 @@ paths:
                   description: Video playlist description
                   type: string
                 videoChannelId:
+                  allOf:
+                    - $ref: '#/components/schemas/id'
                   description: Video channel in which the playlist will be published
-                  type: integer
             encoding:
               thumbnailfile:
                 contentType: image/jpeg
@@ -2699,14 +2714,15 @@ paths:
               type: object
               properties:
                 videoId:
-                  type: integer
-                  description: 'Video to add in the playlist'
+                  allOf:
+                    - $ref: '#/components/schemas/Video/properties/id'
+                  description: Video to add in the playlist
                 startTimestamp:
                   type: integer
-                  description: 'Start the video at this specific timestamp (in seconds)'
+                  description: Start the video at this specific timestamp (in seconds)
                 stopTimestamp:
                   type: integer
-                  description: 'Stop the video at this specific timestamp (in seconds)'
+                  description: Stop the video at this specific timestamp (in seconds)
               required:
                 - videoId
 
@@ -2797,7 +2813,7 @@ paths:
           schema:
             type: array
             items:
-              type: integer
+              $ref: '#/components/schemas/Video/properties/id'
       responses:
         '200':
           description: successful operation
@@ -2960,8 +2976,7 @@ paths:
               type: object
               properties:
                 text:
-                  type: string
-                  description: 'Text comment'
+                  $ref: '#/components/schemas/VideoComment/properties/text'
               required:
                 - text
 
@@ -3298,7 +3313,7 @@ paths:
               type: object
               properties:
                 videoId:
-                  type: integer
+                  $ref: '#/components/schemas/Video/properties/id'
               required:
                 - videoId
       responses:
@@ -3982,9 +3997,7 @@ components:
       required: true
       description: The user id
       schema:
-        type: integer
-        minimum: 0
-        example: 42
+        $ref: '#/components/schemas/id'
     idOrUUID:
       name: id
       in: path
@@ -3992,9 +4005,7 @@ components:
       description: The object id or uuid
       schema:
         oneOf:
-          - type: integer
-            minimum: 0
-            example: 42
+          - $ref: '#/components/schemas/id'
           - $ref: '#/components/schemas/UUIDv4'
     playlistElementId:
       name: playlistElementId
@@ -4002,28 +4013,28 @@ components:
       required: true
       description: Playlist element id
       schema:
-        type: integer
+        $ref: '#/components/schemas/id'
     abuseId:
       name: abuseId
       in: path
       required: true
       description: Abuse id
       schema:
-        type: integer
+        $ref: '#/components/schemas/Abuse/properties/id'
     abuseMessageId:
       name: abuseMessageId
       in: path
       required: true
       description: Abuse message id
       schema:
-        type: integer
+        $ref: '#/components/schemas/AbuseMessage/properties/id'
     captionLanguage:
       name: captionLanguage
       in: path
       required: true
       description: The caption language
       schema:
-        type: string
+        $ref: '#/components/schemas/VideoLanguageSet'
     channelHandle:
       name: channelHandle
       in: path
@@ -4046,14 +4057,14 @@ components:
       required: true
       description: The thread id (root comment id)
       schema:
-        type: integer
+        $ref: '#/components/schemas/VideoCommentThreadTree/properties/comment/properties/id'
     commentId:
       name: commentId
       in: path
       required: true
       description: The comment id
       schema:
-        type: integer
+        $ref: '#/components/schemas/VideoComment/properties/id'
     isLive:
       name: isLive
       in: query
@@ -4068,10 +4079,10 @@ components:
       description: category id of the video (see [/videos/categories](#operation/getCategories))
       schema:
         oneOf:
-        - type: integer
+        - $ref: '#/components/schemas/VideoCategorySet'
         - type: array
           items:
-            type: integer
+            $ref: '#/components/schemas/VideoCategorySet'
       style: form
       explode: false
     tagsOneOf:
@@ -4108,10 +4119,10 @@ components:
       description: language id of the video (see [/videos/languages](#operation/getLanguages)). Use `_unknown` to filter on videos that don't have a video language
       schema:
         oneOf:
-        - type: string
+        - $ref: '#/components/schemas/VideoLanguageSet'
         - type: array
           items:
-            type: string
+            $ref: '#/components/schemas/VideoLanguageSet'
       style: form
       explode: false
     licenceOneOf:
@@ -4121,10 +4132,10 @@ components:
       description: licence id of the video (see [/videos/licences](#operation/getLicences))
       schema:
         oneOf:
-        - type: integer
+        - $ref: '#/components/schemas/VideoLicenceSet'
         - type: array
           items:
-            type: integer
+            $ref: '#/components/schemas/VideoLicenceSet'
       style: form
       explode: false
     skipCount:
@@ -4221,45 +4232,72 @@ components:
             moderator: Moderator scope
             user: User scope
   schemas:
+    # Resuable core properties
+    id:
+      type: integer
+      minimum: 1
+      example: 42
     UUIDv4:
       type: string
       format: uuid
       example: 9c9de5e8-0a1e-484a-b099-e80766180a6d
       pattern: '^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$'
-      # the regex above limits the length;
-      # however, some tools might require explicit settings:
       minLength: 36
       maxLength: 36
+    username:
+      type: string
+      description: The username of the user
+      example: chocobozzz
+      pattern: '/^[a-z0-9._]{1,50}$/'
+      minLength: 1
+      maxLength: 50
+    usernameChannel:
+      type: string
+      description: The username for the default channel
+      example: The Capybara Channel
+      pattern: '/^[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789\\-_.:]+$/'
+    password:
+      type: string
+      format: password
+      description: The password of the user
+      minLength: 6
+      maxLength: 255
 
     VideoCategorySet:
       type: integer
       description: category id of the video (see [/videos/categories](#operation/getCategories))
+      example: 15
     VideoConstantNumber-Category:
       properties:
         id:
           $ref: '#/components/schemas/VideoCategorySet'
         label:
           type: string
+          example: Science & Technology
 
     VideoLicenceSet:
       type: integer
       description: licence id of the video (see [/videos/licences](#operation/getLicences))
+      example: 2
     VideoConstantNumber-Licence:
       properties:
         id:
           $ref: '#/components/schemas/VideoLicenceSet'
         label:
           type: string
-    
+          example: Attribution - Share Alike
+
     VideoLanguageSet:
       type: string
       description: language id of the video (see [/videos/languages](#operation/getLanguages))
+      example: en
     VideoConstantString-Language:
       properties:
         id:
           $ref: '#/components/schemas/VideoLanguageSet'
         label:
           type: string
+          example: English
 
     VideoPlaylistPrivacySet:
       type: integer
@@ -4411,7 +4449,7 @@ components:
     VideoChannelSummary:
       properties:
         id:
-          type: integer
+          $ref: '#/components/schemas/id'
         name:
           type: string
         displayName:
@@ -4473,7 +4511,7 @@ components:
         - type: object
           properties:
             id:
-              type: integer
+              $ref: '#/components/schemas/id'
             type:
               type: integer
               enum:
@@ -4509,20 +4547,21 @@ components:
     VideoInfo:
       properties:
         id:
-          type: integer
+          $ref: '#/components/schemas/Video/properties/id'
         uuid:
-          $ref: '#/components/schemas/UUIDv4'
+          $ref: '#/components/schemas/Video/properties/uuid'
         name:
-          type: string
-          minLength: 3
-          maxLength: 120
+          $ref: '#/components/schemas/Video/properties/name'
     Video:
       properties:
         id:
-          type: integer
-          example: 8
+          description: object id for the video
+          allOf:
+            - $ref: '#/components/schemas/id'
         uuid:
-          $ref: '#/components/schemas/UUIDv4'
+          description: universal identifier for the video, that can be used across instances
+          allOf:
+            - $ref: '#/components/schemas/UUIDv4'
         isLive:
           type: boolean
         createdAt:
@@ -4546,13 +4585,21 @@ components:
           example: 2010-10-01T10:52:46.396Z
           description: used to represent a date of first publication, prior to the practical publication date of `publishedAt`
         category:
-          $ref: '#/components/schemas/VideoConstantNumber-Category'
+          allOf:
+            - $ref: '#/components/schemas/VideoConstantNumber-Category'
+          description: category in which the video is classified
         licence:
-          $ref: '#/components/schemas/VideoConstantNumber-Licence'
+          allOf:
+            - $ref: '#/components/schemas/VideoConstantNumber-Licence'
+          description: licence under which the video is distributed
         language:
-          $ref: '#/components/schemas/VideoConstantString-Language'
+          allOf:
+            - $ref: '#/components/schemas/VideoConstantString-Language'
+          description: main language used in the video
         privacy:
-          $ref: '#/components/schemas/VideoPrivacyConstant'
+          allOf:
+            - $ref: '#/components/schemas/VideoPrivacyConstant'
+          description: privacy policy used to distribute the video
         description:
           type: string
           example: |
@@ -4571,6 +4618,7 @@ components:
           type: boolean
         name:
           type: string
+          description: title of the video
           example: What is PeerTube?
           minLength: 3
           maxLength: 120
@@ -4598,7 +4646,9 @@ components:
           type: boolean
           nullable: true
         state:
-          $ref: '#/components/schemas/VideoStateConstant'
+          allOf:
+            - $ref: '#/components/schemas/VideoStateConstant'
+          description: represents the internal state of the video processing within the PeerTube instance
         scheduledUpdate:
           nullable: true
           allOf:
@@ -4677,7 +4727,7 @@ components:
     FileRedundancyInformation:
       properties:
         id:
-          type: integer
+          $ref: '#/components/schemas/id'
         fileUrl:
           type: string
           format: url
@@ -4702,7 +4752,7 @@ components:
     VideoRedundancy:
       properties:
         id:
-          type: integer
+          $ref: '#/components/schemas/id'
         name:
           type: string
         url:
@@ -4736,8 +4786,7 @@ components:
     VideoImport:
       properties:
         id:
-          type: integer
-          example: 2
+          $ref: '#/components/schemas/id'
         targetUrl:
           type: string
           format: url
@@ -4773,8 +4822,7 @@ components:
     Abuse:
       properties:
         id:
-          type: integer
-          example: 7
+          $ref: '#/components/schemas/id'
         reason:
           type: string
           example: The video is a spam
@@ -4799,7 +4847,7 @@ components:
     AbuseMessage:
       properties:
         id:
-          type: integer
+          $ref: '#/components/schemas/id'
         message:
           type: string
           minLength: 2
@@ -4814,9 +4862,9 @@ components:
     VideoBlacklist:
       properties:
         id:
-          type: integer
+          $ref: '#/components/schemas/id'
         videoId:
-          type: integer
+          $ref: '#/components/schemas/Video/properties/id'
         createdAt:
           type: string
           format: date-time
@@ -4843,29 +4891,12 @@ components:
           type: integer
         nsfw:
           type: boolean
-    VideoChannel:
-      properties:
-        displayName:
-          type: string
-          minLength: 1
-          maxLength: 120
-        description:
-          type: string
-          minLength: 3
-          maxLength: 1000
-        isLocal:
-          type: boolean
-        ownerAccount:
-          type: object
-          properties:
-            id:
-              type: integer
-            uuid:
-              $ref: '#/components/schemas/UUIDv4'
     VideoPlaylist:
       properties:
         id:
-          type: integer
+          $ref: '#/components/schemas/id'
+        uuid:
+          $ref: '#/components/schemas/UUIDv4'
         createdAt:
           type: string
           format: date-time
@@ -4876,8 +4907,6 @@ components:
           type: string
           minLength: 3
           maxLength: 1000
-        uuid:
-          $ref: '#/components/schemas/UUIDv4'
         displayName:
           type: string
           minLength: 1
@@ -4886,6 +4915,7 @@ components:
           type: boolean
         videoLength:
           type: integer
+          minimum: 0
         thumbnailPath:
           type: string
         privacy:
@@ -4899,20 +4929,21 @@ components:
     VideoComment:
       properties:
         id:
-          type: integer
+          $ref: '#/components/schemas/id'
         url:
           type: string
           format: url
         text:
           type: string
+          description: Text of the comment in Markdown
           minLength: 1
           maxLength: 10000
         threadId:
           type: integer
         inReplyToCommentId:
-          type: integer
+          $ref: '#/components/schemas/id'
         videoId:
-          type: integer
+          $ref: '#/components/schemas/Video/properties/id'
         createdAt:
           type: string
           format: date-time
@@ -4921,8 +4952,10 @@ components:
           format: date-time
         totalRepliesFromVideoAuthor:
           type: integer
+          minimum: 0
         totalReplies:
           type: integer
+          minimum: 0
         account:
           $ref: '#/components/schemas/Account'
     VideoCommentThreadTree:
@@ -4952,8 +4985,7 @@ components:
     ActorInfo:
       properties:
         id:
-          type: integer
-          example: 11
+          $ref: '#/components/schemas/id'
         name:
           type: string
         displayName:
@@ -4970,8 +5002,7 @@ components:
     Actor:
       properties:
         id:
-          type: integer
-          example: 11
+          $ref: '#/components/schemas/id'
         url:
           type: string
           format: url
@@ -4999,8 +5030,7 @@ components:
         - $ref: '#/components/schemas/Actor'
         - properties:
             userId:
-              type: string
-              example: 2
+              $ref: '#/components/schemas/id'
             displayName:
               type: string
             description:
@@ -5181,8 +5211,10 @@ components:
           properties:
             videoQuota:
               type: integer
+              example: 16810141515
             videoQuotaDaily:
               type: integer
+              example: 1681014151
         trending:
           type: object
           properties:
@@ -5301,8 +5333,10 @@ components:
           properties:
             videoQuota:
               type: integer
+              example: 16810141515
             videoQuotaDaily:
               type: integer
+              example: 1681014151
         transcoding:
           type: object
           description: Settings pertaining to transcoding jobs
@@ -5399,7 +5433,7 @@ components:
     Follow:
       properties:
         id:
-          type: integer
+          $ref: '#/components/schemas/id'
         follower:
           $ref: '#/components/schemas/Actor'
         following:
@@ -5438,9 +5472,7 @@ components:
     Job:
       properties:
         id:
-          type: integer
-          minimum: 0
-          example: 42
+          $ref: '#/components/schemas/id'
         state:
           type: string
           enum:
@@ -5484,22 +5516,25 @@ components:
           type: object
           properties:
             id:
-              type: integer
-              example: 8
+              $ref: '#/components/schemas/id'
             account:
               type: object
               properties:
                 id:
-                  type: integer
-                  example: 37
+                  $ref: '#/components/schemas/id'
     VideoUploadRequestCommon:
       properties:
         name:
           description: Video name
           type: string
+          example: What is PeerTube?
+          minLength: 3
+          maxLength: 120
         channelId:
           description: Channel id that will contain this video
           type: integer
+          example: 3
+          minimum: 1
         privacy:
           $ref: '#/components/schemas/VideoPrivacySet'
         category:
@@ -5511,6 +5546,8 @@ components:
         description:
           description: Video description
           type: string
+          example: |
+            **[Want to help to translate this video?](https://weblate.framasoft.org/projects/what-is-peertube-video/)**\r\n\r\n**Take back the control of your videos! [#JoinPeertube](https://joinpeertube.org)**
         waitTranscoding:
           description: Whether or not we wait transcoding before publish the video
           type: boolean
@@ -5527,6 +5564,9 @@ components:
           minItems: 1
           maxItems: 5
           uniqueItems: true
+          example:
+            - framasoft
+            - peertube
           items:
             type: string
             minLength: 2
@@ -5576,6 +5616,7 @@ components:
               description: Video filename including extension
               type: string
               format: filename
+              example: what_is_peertube.mp4
             thumbnailfile:
               description: Video thumbnail file
               type: string
@@ -5590,10 +5631,9 @@ components:
           type: object
           properties:
             id:
-              type: integer
-              example: 8
+              $ref: '#/components/schemas/Video/properties/id'
             uuid:
-              $ref: '#/components/schemas/UUIDv4'
+              $ref: '#/components/schemas/Video/properties/uuid'
     CommentThreadResponse:
       properties:
         total:
@@ -5671,10 +5711,7 @@ components:
           type: string
           description: Theme enabled by this user
         username:
-          type: string
-          description: The user username
-          minLength: 1
-          maxLength: 50
+          $ref: '#/components/schemas/username'
         videoChannels:
           type: array
           items:
@@ -5713,31 +5750,23 @@ components:
     AddUser:
       properties:
         username:
-          type: string
-          description: The user username
-          minLength: 1
-          maxLength: 50
-          pattern: '/^[a-z0-9._]{1,50}$/'
+          $ref: '#/components/schemas/username'
         password:
-          type: string
-          format: password
-          description: The user password. If the smtp server is configured, you can leave empty and an email will be sent
-          minLength: 6
-          maxLength: 255
+          $ref: '#/components/schemas/password'
         email:
           type: string
           format: email
           description: The user email
         videoQuota:
           type: integer
-          description: The user video quota
+          description: The user video quota in bytes
+          example: -1
         videoQuotaDaily:
           type: integer
-          description: The user daily video quota
+          description: The user daily video quota in bytes
+          example: -1
         channelName:
-          type: string
-          description: The user default channel username
-          pattern: '/^[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789\\-_.:]+$/'
+          $ref: '#/components/schemas/usernameChannel'
         role:
           $ref: '#/components/schemas/UserRole'
         adminFlags:
@@ -5751,9 +5780,6 @@ components:
         - role
     UpdateUser:
       properties:
-        id:
-          type: string
-          description: The user id
         email:
           type: string
           format: email
@@ -5763,10 +5789,10 @@ components:
           description: Set the email as verified
         videoQuota:
           type: integer
-          description: The updated video quota of the user
+          description: The updated video quota of the user in bytes
         videoQuotaDaily:
           type: integer
-          description: The updated daily video quota of the user
+          description: The updated daily video quota of the user in bytes
         pluginAuth:
           type: string
           nullable: true
@@ -5776,16 +5802,10 @@ components:
           $ref: '#/components/schemas/UserRole'
         adminFlags:
           $ref: '#/components/schemas/UserAdminFlags'
-      required:
-        - id
     UpdateMe:
       properties:
         password:
-          type: string
-          format: password
-          description: Your new password
-          minLength: 6
-          maxLength: 255
+          $ref: '#/components/schemas/password'
         email:
           type: string
           format: email
@@ -5808,8 +5828,7 @@ components:
     GetMeVideoRating:
       properties:
         id:
-          type: string
-          description: Id of the video
+          $ref: '#/components/schemas/id'
         rating:
           type: string
           enum:
@@ -5837,17 +5856,9 @@ components:
     RegisterUser:
       properties:
         username:
-          type: string
-          description: The username of the user
-          minLength: 1
-          maxLength: 50
-          pattern: '/^[a-z0-9._]{1,50}$/'
+          $ref: '#/components/schemas/username'
         password:
-          type: string
-          format: password
-          description: The password of the user
-          minLength: 6
-          maxLength: 255
+          $ref: '#/components/schemas/password'
         email:
           type: string
           format: email
@@ -5861,9 +5872,7 @@ components:
           type: object
           properties:
             name:
-              type: string
-              description: The username for the default channel
-              pattern: '/^[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789\\-_.:]+$/'
+              $ref: '#/components/schemas/usernameChannel'
             displayName:
               type: string
               description: The display name for the default channel
@@ -5874,40 +5883,64 @@ components:
         - password
         - email
 
-    VideoChannelCommon:
+    VideoChannel:
       properties:
+        # GET/POST/PUT properties
         displayName:
           type: string
+          example: Videos of Framasoft
           minLength: 1
           maxLength: 120
         description:
           type: string
+          example: Videos made with <3 by Framasoft
           minLength: 3
           maxLength: 1000
         support:
           type: string
-          description: 'A text shown by default on all videos of this channel, to tell the audience how to support it'
+          description: text shown by default on all videos of this channel, to tell the audience how to support it
           example: Please support my work on <insert crowdfunding plateform>! <3
           minLength: 3
           maxLength: 1000
+        # GET-only properties
+        id:
+          readOnly: true
+          allOf:
+            - $ref: '#/components/schemas/id'
+        isLocal:
+          readOnly: true
+          type: boolean
+        updatedAt:
+          readOnly: true
+          type: string
+          format: date-time
+        ownerAccount:
+          readOnly: true
+          nullable: true
+          type: object
+          properties:
+            id:
+              type: integer
+            uuid:
+              $ref: '#/components/schemas/UUIDv4'
     VideoChannelCreate:
       allOf:
-        - $ref: '#/components/schemas/VideoChannelCommon'
+        - $ref: '#/components/schemas/VideoChannel'
         - properties:
             name:
-              type: string
-              minLength: 1
-              maxLength: 120
+              description: username of the channel to create
+              allOf:
+                - $ref: '#/components/schemas/usernameChannel'
       required:
         - name
         - displayName
     VideoChannelUpdate:
       allOf:
-        - $ref: '#/components/schemas/VideoChannelCommon'
+        - $ref: '#/components/schemas/VideoChannel'
         - properties:
             bulkVideosSupportUpdate:
               type: boolean
-              description: 'Update the support field for all videos of this channel'
+              description: Update the support field for all videos of this channel
     VideoChannelList:
       properties:
         total:
@@ -6123,7 +6156,7 @@ components:
     Notification:
       properties:
         id:
-          type: integer
+          $ref: '#/components/schemas/id'
         type:
           type: integer
           description: >
@@ -6171,7 +6204,7 @@ components:
           type: object
           properties:
             id:
-              type: integer
+              $ref: '#/components/schemas/id'
             video:
               nullable: true
               $ref: '#/components/schemas/VideoInfo'
@@ -6191,7 +6224,7 @@ components:
           type: object
           properties:
             id:
-              type: integer
+              $ref: '#/components/schemas/id'
             threadId:
               type: integer
             video:
@@ -6203,7 +6236,7 @@ components:
           type: object
           properties:
             id:
-              type: integer
+              $ref: '#/components/schemas/id'
             video:
               allOf:
                 - $ref: '#/components/schemas/VideoInfo'
@@ -6212,7 +6245,7 @@ components:
           type: object
           properties:
             id:
-              type: integer
+              $ref: '#/components/schemas/id'
             video:
               allOf:
                 - $ref: '#/components/schemas/VideoInfo'
@@ -6225,7 +6258,7 @@ components:
           nullable: true
           properties:
             id:
-              type: integer
+              $ref: '#/components/schemas/id'
             follower:
               $ref: '#/components/schemas/ActorInfo'
             state: