diff --git a/VEZA_COMPLETE_MVP_TODOLIST.json b/VEZA_COMPLETE_MVP_TODOLIST.json
index aeadc1e76..b71a532e5 100644
--- a/VEZA_COMPLETE_MVP_TODOLIST.json
+++ b/VEZA_COMPLETE_MVP_TODOLIST.json
@@ -1001,7 +1001,7 @@
       "completion": {
         "completed_at": "2025-12-23T00:45:45Z",
         "actual_hours": 0.5,
-        "commits": [],
+        "commits": ["4521115"],
         "files_changed": [
           "apps/web/src/services/2fa-service.ts",
           "apps/web/src/config/features.ts"
@@ -1065,7 +1065,18 @@
       "description": "Frontend has collaborator functions in playlistService.ts but they're disabled with requireFeature('PLAYLIST_COLLABORATION'). Enable once backend implements endpoints.",
       "owner": "frontend",
       "estimated_hours": 1,
-      "status": "todo",
+      "status": "completed",
+      "completion": {
+        "completed_at": "2025-12-23T00:46:37Z",
+        "actual_hours": 0.5,
+        "commits": [],
+        "files_changed": [
+          "apps/web/src/features/playlists/services/playlistService.ts",
+          "apps/web/src/config/features.ts"
+        ],
+        "notes": "Removed requireFeature guards from addCollaborator, removeCollaborator, updateCollaboratorPermission, and getCollaborators. Updated addCollaborator to use unwrapped response format. Implemented getCollaborators to call GET /playlists/:id/collaborators endpoint. Enabled PLAYLIST_COLLABORATION feature flag. All collaborator service calls now enabled and functional.",
+        "issues_encountered": []
+      },
       "files_involved": [
         {
           "path": "apps/web/src/features/playlists/services/playlistService.ts",
diff --git a/apps/web/src/config/features.ts b/apps/web/src/config/features.ts
index b49f10964..c1cf9697e 100644
--- a/apps/web/src/config/features.ts
+++ b/apps/web/src/config/features.ts
@@ -16,9 +16,9 @@ export const FEATURES = {
 
   /**
    * Playlist Collaboration Features
-   * Backend endpoints: /api/v1/playlists/:id/collaborators, /playlists/search, /playlists/:id/share, /playlists/recommendations (NOT IMPLEMENTED)
+   * Backend endpoints: /playlists/:id/collaborators (GET, POST, PUT, DELETE)
    */
-  PLAYLIST_COLLABORATION: false,
+  PLAYLIST_COLLABORATION: true,
   PLAYLIST_SEARCH: false,
   PLAYLIST_SHARE: false,
   PLAYLIST_RECOMMENDATIONS: false,
diff --git a/apps/web/src/features/playlists/services/playlistService.ts b/apps/web/src/features/playlists/services/playlistService.ts
index 674d07412..eb43028c4 100644
--- a/apps/web/src/features/playlists/services/playlistService.ts
+++ b/apps/web/src/features/playlists/services/playlistService.ts
@@ -1,5 +1,4 @@
 import { apiClient } from '@/services/api/client';
-import { requireFeature } from '@/config/features';
 import type {
   Playlist,
   PlaylistListResponse,
@@ -102,10 +101,9 @@ export async function listPlaylists(
 }
 
 /**
- * Ajouter un collaborateur
+ * Ajouter un collaborateur à une playlist
  * 
- * ⚠️ MVP: This feature is disabled. Backend endpoint is not implemented.
- * TODO: Enable when backend implements POST /api/v1/playlists/:id/collaborators
+ * Backend endpoint: POST /playlists/:id/collaborators
  * 
  * @see FEATURES.PLAYLIST_COLLABORATION
  */
@@ -113,19 +111,18 @@ export async function addCollaborator(
   playlistId: string,
   data: AddCollaboratorRequest,
 ): Promise<PlaylistCollaborator> {
-  requireFeature('PLAYLIST_COLLABORATION');
-  const response = await apiClient.post<{ collaborator: PlaylistCollaborator }>(
+  // apiClient unwraps { success, data } format automatically
+  const response = await apiClient.post<PlaylistCollaborator>(
     `/playlists/${playlistId}/collaborators`,
     data,
   );
-  return response.data.collaborator;
+  return response.data;
 }
 
 /**
  * Retirer un collaborateur
  * 
- * ⚠️ MVP: This feature is disabled. Backend endpoint is not implemented.
- * TODO: Enable when backend implements DELETE /api/v1/playlists/:id/collaborators/:userId
+ * Backend endpoint: DELETE /playlists/:id/collaborators/:userId
  * 
  * @see FEATURES.PLAYLIST_COLLABORATION
  */
@@ -133,15 +130,13 @@ export async function removeCollaborator(
   playlistId: string,
   userId: string,
 ): Promise<void> {
-  requireFeature('PLAYLIST_COLLABORATION');
   await apiClient.delete(`/playlists/${playlistId}/collaborators/${userId}`);
 }
 
 /**
  * Mettre à jour les permissions d'un collaborateur
  * 
- * ⚠️ MVP: This feature is disabled. Backend endpoint is not implemented.
- * TODO: Enable when backend implements PUT /api/v1/playlists/:id/collaborators/:userId
+ * Backend endpoint: PUT /playlists/:id/collaborators/:userId
  * 
  * @see FEATURES.PLAYLIST_COLLABORATION
  */
@@ -150,7 +145,6 @@ export async function updateCollaboratorPermission(
   userId: string,
   data: UpdateCollaboratorPermissionRequest,
 ): Promise<void> {
-  requireFeature('PLAYLIST_COLLABORATION');
   await apiClient.put(`/playlists/${playlistId}/collaborators/${userId}`, data);
 }
 
@@ -263,12 +257,19 @@ export async function getPlaylistRecommendations(
 /**
  * Récupérer les collaborateurs
  */
+/**
+ * Récupérer les collaborateurs d'une playlist
+ * 
+ * Backend endpoint: GET /playlists/:id/collaborators
+ */
 export async function getCollaborators(
-  _playlistId: string,
+  playlistId: string,
 ): Promise<PlaylistCollaborator[]> {
-  // TODO: Implement backend endpoint for collaborators
-  // Returning empty list for now to prevent 404 errors in UI
-  return Promise.resolve([]);
+  // apiClient unwraps { success, data } format automatically
+  const response = await apiClient.get<{ collaborators: PlaylistCollaborator[] }>(
+    `/playlists/${playlistId}/collaborators`,
+  );
+  return response.data.collaborators || [];
 }
 
 /**