diff --git a/modules/api/api.py b/modules/api/api.py
index 6267afdcf..48a70a44b 100644
--- a/modules/api/api.py
+++ b/modules/api/api.py
@@ -101,6 +101,7 @@ class Api:
         self.router = APIRouter()
         self.app = app
         self.queue_lock = queue_lock
+        api_middleware(self.app)
         self.add_api_route("/sdapi/v1/txt2img", self.text2imgapi, methods=["POST"], response_model=TextToImageResponse)
         self.add_api_route("/sdapi/v1/img2img", self.img2imgapi, methods=["POST"], response_model=ImageToImageResponse)
         self.add_api_route("/sdapi/v1/extra-single-image", self.extras_single_image_api, methods=["POST"], response_model=ExtrasSingleImageResponse)