Update app.py

app.py

@@ -1,7 +1,17 @@
-from fastapi import FastAPI
+from fastapi import FastAPI, Query, HTTPException
 
 app = FastAPI()
 
-@app.get("/")
-def greet_json():
-    return {"Hello": "World!"}
+VERIFY_TOKEN = "lintasmediadanawa"  # Replace with your actual verify token
+
+
+@app.get("/webhooks")
+async def handle_webhook(
+    hub_mode: str = Query(..., alias="hub.mode"),
+    hub_challenge: int = Query(..., alias="hub.challenge"),
+    hub_verify_token: str = Query(..., alias="hub.verify_token")
+):
+    if hub_mode == "subscribe" and hub_verify_token == VERIFY_TOKEN:
+        return int(hub_challenge)
+    else:
+        raise HTTPException(status_code=403, detail="Verification failed")