backend/core/views.py

@@ -174,7 +174,7 @@ def validate_code(request):
             code = data.get("code", "").strip().upper()
             from .models import PaymentCode
             valid = PaymentCode.objects.filter(code=code, used=False).exists()
-            time.sleep(10)
+            time.sleep(3)
             return JsonResponse({"valid": valid})
         except Exception:
             return JsonResponse({"valid": False})