Update README.md

README.md

@@ -1,11 +1,30 @@
 ---
 title: ARF Sandbox API
-emoji: 🏆
-colorFrom: green
-colorTo: gray
+emoji: 🧪
+colorFrom: blue
+colorTo: indigo
 sdk: docker
 pinned: false
 license: apache-2.0
 ---
 
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+# ARF Sandbox API – Mock Endpoint
+
+> 🧪 **This is a fully simulated, mock API.**  
+> It does **not** use the protected Bayesian engine.  
+> No real data is processed – all responses are deterministic examples.
+
+Use this endpoint to test integrations and see the expected request/response format.
+
+## 🔗 Endpoints
+
+- `POST /v1/evaluate` – Simulate an incident evaluation.
+- `GET /health` – Health check.
+- `GET /docs` – Interactive Swagger UI.
+
+## 📦 Example Request
+
+```bash
+curl -X POST https://A-R-F-ARF-Sandbox-API.hf.space/v1/evaluate \
+  -H "Content-Type: application/json" \
+  -d '{"service_name":"api","event_type":"latency","severity":"high","metrics":{"latency_ms":450}}'