diff --git a/backend.yml b/backend.yml
index ff7433e..eb6649e 100644
--- a/backend.yml
+++ b/backend.yml
@@ -45,8 +45,6 @@ paths:
             application/json:
               schema:
                 $ref: '#/components/schemas/ApiResponse'
-
-  /api/auth/logoff:
     delete:
       tags:
       - backend
@@ -109,7 +107,8 @@ paths:
         description: ID of a list
         required: true
         schema:
-          type: integer
+          type: string
+          format: uuid
       responses:
         200:
           description: List data
@@ -130,13 +129,15 @@ paths:
         description: ID of a list
         required: true
         schema:
-          type: integer
+          type: string
+          format: uuid
       - name: trackid
         in: path
         description: ID of a track
         required: true
         schema:
-          type: integer
+          type: string
+          format: uuid
       responses:
         200:
           description: Track data
@@ -158,7 +159,8 @@ components:
       type: object
       properties:
         id:
-          type: integer
+          type: string
+          format: uuid
         tracklist:
           type: array
           items:
@@ -174,7 +176,8 @@ components:
       type: object
       properties:
         id:
-          type: integer
+          type: string
+          format: uuid
         title:
           type: string
         artist: