Update README.md

README.md

@@ -10,4 +10,12 @@ pinned: false
 license: mit
 ---
 
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+Space API:
+POST /verify (multipart/form-data)
+  - username: string
+  - image: file
+Response:
+  { decision: "Allow" | "Deny" | "Invalid" | "Not Found",
+    score: float, threshold: float, reason: string, token?: string }
+
+GET /labels -> { labels: [ ... ] }