Change webhook

app/main.py

@@ -1,5 +1,7 @@
 from fastapi import FastAPI, Request
 from fastapi.responses import JSONResponse
+from fastapi.responses import Response
+from fastapi.exceptions import HTTPException
 
 app = FastAPI()
 
@@ -8,3 +10,17 @@ app = FastAPI()
 async def whatsapp_webhook(request: Request):
     data = await request.json()
     print("Webhook received:", data)
+
+
+@app.get("/webhook")
+async def verify_webhook(request: Request):
+    mode = request.query_params.get('hub.mode')
+    token = request.query_params.get('hub.verify_token')
+    challenge = request.query_params.get('hub.challenge')
+
+    # Replace 'your_verification_token' with the token you set in Facebook Business Manager
+    if mode == 'subscribe' and token == 'test':
+           # Return the challenge as plain text
+        return Response(content=challenge, media_type="text/plain")
+    else:
+        raise HTTPException(status_code=403, detail="Verification failed")