diff --git a/support/doc/api/openapi.yaml b/support/doc/api/openapi.yaml
index fd227353d..f99d49fef 100644
--- a/support/doc/api/openapi.yaml
+++ b/support/doc/api/openapi.yaml
@@ -1976,10 +1976,12 @@ paths:
                         - $ref: '#/components/schemas/Video/properties/id'
                     startAt:
                       type: integer
+                      format: seconds
                       description: Timestamp in the video that marks the beginning of the report
                       minimum: 0
                     endAt:
                       type: integer
+                      format: seconds
                       description: Timestamp in the video that marks the ending of the report
                       minimum: 0
                 comment:
@@ -2564,13 +2566,13 @@ paths:
               thumbnailfile:
                 contentType: image/jpeg
 
-  /video-playlists/{id}:
+  /video-playlists/{playlistId}:
     get:
       summary: Get a video playlist
       tags:
         - Video Playlists
       parameters:
-        - $ref: '#/components/parameters/idOrUUID'
+        - $ref: '#/components/parameters/playlistId'
       responses:
         '200':
           description: successful operation
@@ -2589,7 +2591,7 @@ paths:
         '204':
           description: successful operation
       parameters:
-        - $ref: '#/components/parameters/idOrUUID'
+        - $ref: '#/components/parameters/playlistId'
       requestBody:
         content:
           multipart/form-data:
@@ -2624,19 +2626,19 @@ paths:
       tags:
         - Video Playlists
       parameters:
-        - $ref: '#/components/parameters/idOrUUID'
+        - $ref: '#/components/parameters/playlistId'
       responses:
         '204':
           description: successful operation
 
-  /video-playlists/{id}/videos:
+  /video-playlists/{playlistId}/videos:
     get:
       summary: 'List videos of a playlist'
       tags:
         - Videos
         - Video Playlists
       parameters:
-        - $ref: '#/components/parameters/idOrUUID'
+        - $ref: '#/components/parameters/playlistId'
       responses:
         '200':
           description: successful operation
@@ -2645,14 +2647,14 @@ paths:
               schema:
                 $ref: '#/components/schemas/VideoListResponse'
     post:
-      summary: 'Add a video in a playlist'
+      summary: Add a video in a playlist
       security:
         - OAuth2: []
       tags:
         - Videos
         - Video Playlists
       parameters:
-        - $ref: '#/components/parameters/idOrUUID'
+        - $ref: '#/components/parameters/playlistId'
       responses:
         '200':
           description: successful operation
@@ -2666,6 +2668,7 @@ paths:
                     properties:
                       id:
                         type: integer
+                        example: 2
       requestBody:
         content:
           application/json:
@@ -2673,19 +2676,22 @@ paths:
               type: object
               properties:
                 videoId:
-                  allOf:
+                  oneOf:
+                    - $ref: '#/components/schemas/Video/properties/uuid'
                     - $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)
+                  format: seconds
+                  description: Start the video at this specific timestamp
                 stopTimestamp:
                   type: integer
-                  description: Stop the video at this specific timestamp (in seconds)
+                  format: seconds
+                  description: Stop the video at this specific timestamp
               required:
                 - videoId
 
-  /video-playlists/{id}/videos/reorder:
+  /video-playlists/{playlistId}/videos/reorder:
     post:
       summary: 'Reorder a playlist'
       security:
@@ -2693,7 +2699,7 @@ paths:
       tags:
         - Video Playlists
       parameters:
-        - $ref: '#/components/parameters/idOrUUID'
+        - $ref: '#/components/parameters/playlistId'
       responses:
         '204':
           description: successful operation
@@ -2719,15 +2725,15 @@ paths:
                 - startPosition
                 - insertAfterPosition
 
-  /video-playlists/{id}/videos/{playlistElementId}:
+  /video-playlists/{playlistId}/videos/{playlistElementId}:
     put:
-      summary: 'Update a playlist element'
+      summary: Update a playlist element
       security:
         - OAuth2: []
       tags:
         - Video Playlists
       parameters:
-        - $ref: '#/components/parameters/idOrUUID'
+        - $ref: '#/components/parameters/playlistId'
         - $ref: '#/components/parameters/playlistElementId'
       responses:
         '204':
@@ -2740,18 +2746,20 @@ paths:
               properties:
                 startTimestamp:
                   type: integer
-                  description: 'Start the video at this specific timestamp (in seconds)'
+                  format: seconds
+                  description: Start the video at this specific timestamp
                 stopTimestamp:
                   type: integer
-                  description: 'Stop the video at this specific timestamp (in seconds)'
+                  format: seconds
+                  description: Stop the video at this specific timestamp
     delete:
-      summary: 'Delete an element from a playlist'
+      summary: Delete an element from a playlist
       security:
         - OAuth2: []
       tags:
         - Video Playlists
       parameters:
-        - $ref: '#/components/parameters/idOrUUID'
+        - $ref: '#/components/parameters/playlistId'
         - $ref: '#/components/parameters/playlistElementId'
       responses:
         '204':
@@ -2759,7 +2767,7 @@ paths:
 
   '/users/me/video-playlists/videos-exist':
     get:
-      summary: 'Check video exists in my playlists'
+      summary: Check video exists in my playlists
       security:
         - OAuth2: []
       tags:
@@ -2792,8 +2800,10 @@ paths:
                           type: integer
                         startTimestamp:
                           type: integer
+                          format: seconds
                         stopTimestamp:
                           type: integer
+                          format: seconds
 
   '/accounts/{name}/video-channels':
     get:
@@ -3984,6 +3994,13 @@ components:
         oneOf:
           - $ref: '#/components/schemas/id'
           - $ref: '#/components/schemas/UUIDv4'
+    playlistId:
+      name: playlistId
+      in: path
+      required: true
+      description: Playlist id
+      schema:
+        $ref: '#/components/schemas/VideoPlaylist/properties/id'
     playlistElementId:
       name: playlistElementId
       in: path
@@ -4447,8 +4464,10 @@ components:
           type: integer
         startTimestamp:
           type: integer
+          format: seconds
         stopTimestamp:
           type: integer
+          format: seconds
         video:
           nullable: true
           allOf:
@@ -4597,6 +4616,7 @@ components:
         duration:
           type: integer
           example: 1419
+          format: seconds
           description: duration of the video in seconds
         isLocal:
           type: boolean
@@ -5091,6 +5111,7 @@ components:
       properties:
         currentTime:
           type: integer
+          format: seconds
           description: timestamp within the video, in seconds
           example: 5
     ServerConfig: