diff --git a/backend/src/modules/cards/cards.controller.ts b/backend/src/modules/cards/cards.controller.ts
index ce1e599..d1cfe21 100644
--- a/backend/src/modules/cards/cards.controller.ts
+++ b/backend/src/modules/cards/cards.controller.ts
@@ -79,8 +79,10 @@ export class CardsController {
 
   @Post(':id/respond')
   @Roles(RoleType.PARENT, RoleType.ASSISTANTE_MATERNELLE)
+  @HttpCode(HttpStatus.OK)
   @ApiOperation({ summary: 'Répondre (accept / refuse / ack) — #194' })
   @ApiBody({ type: RepondreCarteDto })
+  @ApiResponse({ status: 200, type: CarteDto })
   repondre(
     @User('id') userId: string,
     @User('role') role: RoleType,
diff --git a/frontend/lib/services/api/cards_service.dart b/frontend/lib/services/api/cards_service.dart
index 14f64f9..8ce8c01 100644
--- a/frontend/lib/services/api/cards_service.dart
+++ b/frontend/lib/services/api/cards_service.dart
@@ -75,7 +75,7 @@ class CardsService {
       }),
     );
 
-    if (response.statusCode != 200) {
+    if (response.statusCode != 200 && response.statusCode != 201) {
       throw Exception(
         _extractError(response.body, 'Erreur lors de la réponse'),
       );