diff --git a/client/src/pages/settings.tsx b/client/src/pages/settings.tsx
index b0e1640..8791986 100644
--- a/client/src/pages/settings.tsx
+++ b/client/src/pages/settings.tsx
@@ -31,6 +31,7 @@ export default function Settings() {
   const [ffmpegApiKey, setFfmpegApiKey] = useState("");
   const [externalApiKey, setExternalApiKey] = useState("");
   const [minimaxApiKey, setMinimaxApiKey] = useState("");
+  const [minimaxGroupId, setMinimaxGroupId] = useState("");
   const { toast } = useToast();
 
   const { data: session } = useQuery<{ id: string; username: string; role: string }>({
@@ -264,6 +265,7 @@ export default function Settings() {
 
   const hasExistingExternalApiConfig = !!(externalApiConfig as any)?.configured;
   const hasExistingMinimaxConfig = !!(minimaxConfig as any)?.apiKey;
+  const hasExistingMinimaxGroupId = !!(minimaxConfig as any)?.groupId;
 
   const saveMinimaxMutation = useMutation({
     mutationFn: () => {
@@ -271,11 +273,15 @@ export default function Settings() {
       if (minimaxApiKey && minimaxApiKey.trim() !== "") {
         payload.apiKey = minimaxApiKey;
       }
+      if (minimaxGroupId && minimaxGroupId.trim() !== "") {
+        payload.groupId = minimaxGroupId;
+      }
       return apiRequest('POST', '/api/minimax/config', payload);
     },
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ['/api/minimax/config'] });
       setMinimaxApiKey("");
+      setMinimaxGroupId("");
       toast({
         title: "Configuration sauvegardée",
         description: "Votre clé API Minimax a été enregistrée",
@@ -680,6 +686,24 @@ export default function Settings() {
                     )}
                   </p>
                 </div>
+                <div className="space-y-2">
+                  <Label htmlFor="minimaxGroupId">Group ID Minimax</Label>
+                  <Input
+                    id="minimaxGroupId"
+                    type="text"
+                    value={minimaxGroupId}
+                    onChange={(e) => setMinimaxGroupId(e.target.value)}
+                    placeholder={hasExistingMinimaxGroupId ? "••••••••••••••••" : "1234567890"}
+                    data-testid="input-minimax-group-id"
+                  />
+                  <p className="text-xs text-muted-foreground">
+                    {hasExistingMinimaxGroupId ? (
+                      <span className="text-green-600 dark:text-green-400">✓ Group ID configuré - Laissez vide pour conserver</span>
+                    ) : (
+                      "Requis pour les quotas corrects — trouvez-le sur platform.minimaxi.com dans votre profil"
+                    )}
+                  </p>
+                </div>
                 <div className="rounded-lg bg-muted/50 p-3 space-y-1">
                   <p className="text-xs font-medium">Voix françaises disponibles :</p>
                   <div className="grid grid-cols-2 gap-1 text-xs text-muted-foreground">
@@ -693,7 +717,7 @@ export default function Settings() {
                 </div>
                 <Button
                   onClick={() => saveMinimaxMutation.mutate()}
-                  disabled={saveMinimaxMutation.isPending || (!minimaxApiKey.trim() && !hasExistingMinimaxConfig)}
+                  disabled={saveMinimaxMutation.isPending || (!minimaxApiKey.trim() && !minimaxGroupId.trim() && !hasExistingMinimaxConfig)}
                   data-testid="button-save-minimax"
                   className="w-full"
                 >
diff --git a/ffmpeg-service/main.py b/ffmpeg-service/main.py
index fd43a7f..ebda2fe 100644
--- a/ffmpeg-service/main.py
+++ b/ffmpeg-service/main.py
@@ -161,6 +161,7 @@ class ReelRequest(BaseModel):
     tts_voice: str = "fr-FR-VivienneMultilingualNeural"
     tts_provider: str = "edge_tts"  # "edge_tts" or "minimax"
     minimax_api_key: Optional[str] = None
+    minimax_group_id: Optional[str] = None
     draw_text: bool = True
     stabilize: bool = False  # Stabilisation vidéo via vidstab
     enable_ending_effect: bool = True
@@ -194,9 +195,9 @@ def clean_text_for_tts(text: str) -> str:
     return " ".join(text.split())
 
 
-def generate_tts_minimax(text: str, voice_id: str, api_key: str, audio_path: Path) -> None:
+def generate_tts_minimax(text: str, voice_id: str, api_key: str, audio_path: Path, group_id: Optional[str] = None) -> None:
     """Generate TTS audio using Minimax Speech API (T2A v2)."""
-    url = "https://api.minimax.io/v1/t2a_v2"
+    url = f"https://api.minimax.io/v1/t2a_v2?GroupId={group_id}" if group_id else "https://api.minimax.io/v1/t2a_v2"
     headers = {
         "Authorization": f"Bearer {api_key}",
         "Content-Type": "application/json",
@@ -254,6 +255,7 @@ async def generate_tts_with_subs(
     delay: float = 0.0,
     tts_provider: str = "edge_tts",
     minimax_api_key: Optional[str] = None,
+    minimax_group_id: Optional[str] = None,
 ):
     """Generate TTS audio with word-level synchronized subtitles.
 
@@ -267,8 +269,8 @@ async def generate_tts_with_subs(
         if not minimax_api_key:
             raise Exception("Minimax API key required but not provided")
         text_to_display = display_text if display_text else text
-        print(f"🔊 Minimax TTS with voice: {voice}")
-        generate_tts_minimax(text, voice, minimax_api_key, audio_path)
+        print(f"🔊 Minimax TTS with voice: {voice}, group_id={bool(minimax_group_id)}")
+        generate_tts_minimax(text, voice, minimax_api_key, audio_path, group_id=minimax_group_id)
 
         audio_duration = None
         try:
@@ -879,7 +881,7 @@ async def process_reel(request: ReelRequest, x_api_key: str = Header(None)):
                 # Clean text for TTS (remove hashtags/emojis)
                 tts_clean_text = clean_text_for_tts(request.text)
                 print(f"🔊 TTS enabled. Provider: {request.tts_provider}, Voice: {request.tts_voice}")
-                print(f"🔊 TTS has minimax_api_key: {bool(request.minimax_api_key)}")
+                print(f"🔊 TTS has minimax_api_key: {bool(request.minimax_api_key)}, group_id: {bool(request.minimax_group_id)}")
                 print(f"🔊 TTS cleaned: '{tts_clean_text[:80]}...'")
 
                 # Check for male/female voice map (edge_tts only)
@@ -906,6 +908,7 @@ async def process_reel(request: ReelRequest, x_api_key: str = Header(None)):
                         delay=2.0,
                         tts_provider=request.tts_provider,
                         minimax_api_key=request.minimax_api_key,
+                        minimax_group_id=request.minimax_group_id,
                     )
 
                     # Verify files were created
@@ -1297,6 +1300,9 @@ async def preview_tts(request: ReelRequest, x_api_key: str = Header(None)):
             tts_audio_path,
             tts_srt_path,
             display_text=clean_text_for_display(request.text),
+            tts_provider=request.tts_provider,
+            minimax_api_key=request.minimax_api_key,
+            minimax_group_id=request.minimax_group_id,
         )
 
         if not tts_audio_path.exists():
diff --git a/server/migrate.ts b/server/migrate.ts
index 3e3973a..2fe75aa 100644
--- a/server/migrate.ts
+++ b/server/migrate.ts
@@ -164,6 +164,12 @@ export async function migrate() {
       );
     `);
 
+    // minimax_config.group_id
+    await client.query(`
+      ALTER TABLE "minimax_config"
+      ADD COLUMN IF NOT EXISTS "group_id" text;
+    `);
+
     console.log("[Migration] Safe migration completed.");
   } catch (error) {
     console.error("[Migration] Error during migration:", error);
diff --git a/server/routes/reels.ts b/server/routes/reels.ts
index f245878..9659927 100644
--- a/server/routes/reels.ts
+++ b/server/routes/reels.ts
@@ -354,12 +354,14 @@ reelsRouter.post('/reels/preview', async (req: Request, res: Response) => {
         const finalWordDuration = wordDuration;
 
         let minimaxApiKey: string | undefined;
+        let minimaxGroupId: string | undefined;
         if (ttsEnabled && ttsProvider === 'minimax') {
             const minimaxCfg = await storage.getMinimaxConfig(user.id);
             if (!minimaxCfg?.apiKey) {
                 return res.status(400).json({ error: 'Clé API Minimax non configurée. Allez dans les Paramètres.' });
             }
             minimaxApiKey = minimaxCfg.apiKey;
+            minimaxGroupId = minimaxCfg.groupId ?? undefined;
         }
 
         // Traiter la vidéo via FFmpeg
@@ -370,6 +372,7 @@ reelsRouter.post('/reels/preview', async (req: Request, res: Response) => {
             ttsVoice,
             ttsProvider,
             minimaxApiKey,
+            minimaxGroupId,
             wordDuration: finalWordDuration,
             fontSize,
             musicVolume,
@@ -409,15 +412,17 @@ reelsRouter.post('/reels/tts-preview', async (req: Request, res: Response) => {
         }
 
         let minimaxApiKey: string | undefined;
+        let minimaxGroupId: string | undefined;
         if (ttsProvider === 'minimax') {
             const minimaxCfg = await storage.getMinimaxConfig(user.id);
             if (!minimaxCfg?.apiKey) {
                 return res.status(400).json({ error: 'Clé API Minimax non configurée. Allez dans les Paramètres.' });
             }
             minimaxApiKey = minimaxCfg.apiKey;
+            minimaxGroupId = minimaxCfg.groupId ?? undefined;
         }
 
-        const result = await ffmpegService.previewTTS(text, voice, ttsProvider, minimaxApiKey);
+        const result = await ffmpegService.previewTTS(text, voice, ttsProvider, minimaxApiKey, minimaxGroupId);
 
         if (!result.success) {
             return res.status(500).json({ error: result.error || 'Erreur de génération TTS' });
@@ -610,16 +615,18 @@ async function processReelBackground(
         const finalWordDuration = wordDuration ?? 0.6;
 
         let minimaxApiKeyBg: string | undefined;
+        let minimaxGroupIdBg: string | undefined;
         if (ttsEnabled && ttsProvider === 'minimax') {
             const minimaxCfg = await storage.getMinimaxConfig(userId);
             if (minimaxCfg?.apiKey) {
                 minimaxApiKeyBg = minimaxCfg.apiKey;
+                minimaxGroupIdBg = minimaxCfg.groupId ?? undefined;
             } else {
                 console.error('❌ [Background] Minimax API key not found in DB for user:', userId);
             }
         }
 
-        console.log('🔊 [Background] TTS config:', { ttsEnabled, ttsProvider, ttsVoice, hasMinimaxKey: !!minimaxApiKeyBg });
+        console.log('🔊 [Background] TTS config:', { ttsEnabled, ttsProvider, ttsVoice, hasMinimaxKey: !!minimaxApiKeyBg, hasGroupId: !!minimaxGroupIdBg });
 
         const ffmpegResult = await ffmpegService.processReelFromUrl(resolveInternalUrl(media.originalUrl), {
             text: overlayText,
@@ -628,6 +635,7 @@ async function processReelBackground(
             ttsVoice,
             ttsProvider,
             minimaxApiKey: minimaxApiKeyBg,
+            minimaxGroupId: minimaxGroupIdBg,
             wordDuration: finalWordDuration,
             fontSize,
             musicVolume,
diff --git a/server/services/ffmpeg.ts b/server/services/ffmpeg.ts
index 8f2bdf5..36fbb5d 100644
--- a/server/services/ffmpeg.ts
+++ b/server/services/ffmpeg.ts
@@ -15,6 +15,7 @@ interface FFmpegReelRequest {
     tts_voice?: string;         // Voix TTS (ex: fr-FR-VivienneNeural)
     tts_provider?: string;      // Provider TTS: "edge_tts" (défaut) ou "minimax"
     minimax_api_key?: string;   // Clé API Minimax (requis si tts_provider=minimax)
+    minimax_group_id?: string;  // Group ID Minimax (requis pour quotas corrects)
     word_duration?: number;     // Durée par mot (default: 0.6s)
     font_size?: number;         // Taille police (default: 24)
     music_volume?: number;      // Volume musique (default: 0.25)
@@ -76,6 +77,7 @@ export class FFmpegService {
             ttsVoice?: string;
             ttsProvider?: string;
             minimaxApiKey?: string;
+            minimaxGroupId?: string;
             wordDuration?: number;
             fontSize?: number;
             musicVolume?: number;
@@ -97,6 +99,7 @@ export class FFmpegService {
             tts_voice: options.ttsVoice,
             tts_provider: options.ttsProvider,
             minimax_api_key: options.minimaxApiKey,
+            minimax_group_id: options.minimaxGroupId,
             word_duration: options.wordDuration ?? 0.6,
             font_size: options.fontSize ?? 64,
             music_volume: options.musicVolume ?? 0.25,
@@ -181,6 +184,7 @@ export class FFmpegService {
             ttsVoice?: string;
             ttsProvider?: string;
             minimaxApiKey?: string;
+            minimaxGroupId?: string;
             wordDuration?: number;
             fontSize?: number;
             musicVolume?: number;
@@ -202,6 +206,7 @@ export class FFmpegService {
             tts_voice: options.ttsVoice,
             tts_provider: options.ttsProvider,
             minimax_api_key: options.minimaxApiKey,
+            minimax_group_id: options.minimaxGroupId,
             word_duration: options.wordDuration ?? 0.6,
             font_size: options.fontSize ?? 64,
             music_volume: options.musicVolume ?? 0.25,
@@ -304,7 +309,8 @@ export class FFmpegService {
         text: string,
         voice: string,
         ttsProvider?: string,
-        minimaxApiKey?: string
+        minimaxApiKey?: string,
+        minimaxGroupId?: string
     ): Promise<{ success: boolean; audioBase64?: string; error?: string }> {
         const config = this.ensureConfigured();
 
@@ -320,6 +326,7 @@ export class FFmpegService {
                     tts_voice: voice,
                     tts_provider: ttsProvider,
                     minimax_api_key: minimaxApiKey,
+                    minimax_group_id: minimaxGroupId,
                 }),
             });
 
diff --git a/shared/schema.ts b/shared/schema.ts
index b2c4b43..702cc27 100644
--- a/shared/schema.ts
+++ b/shared/schema.ts
@@ -146,6 +146,7 @@ export const minimaxConfig = pgTable("minimax_config", {
   id: varchar("id").primaryKey().default(sql`gen_random_uuid()`),
   userId: varchar("user_id").notNull().unique().references(() => users.id, { onDelete: "cascade" }),
   apiKey: text("api_key").notNull(),
+  groupId: text("group_id"),
   createdAt: timestamp("created_at").defaultNow(),
   updatedAt: timestamp("updated_at").defaultNow(),
 });