wa gateway plain text response

routes/wa_gateway.py

@@ -3,7 +3,7 @@ from fastapi import APIRouter, Request
 import os
 import requests
 from dotenv import load_dotenv
-from fastapi.responses import JSONResponse
+from fastapi.responses import PlainTextResponse, JSONResponse
 
 load_dotenv()
 
@@ -18,7 +18,8 @@ RECIPIENT_NUMBER = "+353 89 949 5777"  # or pass dynamically
 async def verify_webhook(request: Request):
     params = request.query_params
     if params.get("hub.mode") == "subscribe" and params.get("hub.verify_token") == VERIFY_TOKEN:
-        return JSONResponse(content=params.get("hub.challenge"))
+        # Return raw plain text (not JSON)
+        return PlainTextResponse(content=params.get("hub.challenge"))
     return JSONResponse(status_code=403, content={"error": "Verification failed"})
 
 @wa_router.post("/webhook")