Update

app/Endpoint/Api/Http/Controllers/CouponController.php

@@ -19,9 +19,7 @@ class CouponController extends Controller
         $user = $request->user();
 
         $coupons = $user->coupons()
-                        ->filter(array_merge([
-                            'status' => 'unuse',
-                        ], $request->all()))
+                        ->filter($request->all())
                         ->simplePaginate(PaginatorHelper::resolvePerPage('per_page', 20, 50));
 
         return CouponResource::collection($coupons);