Update app.py

app.py

@@ -1009,6 +1009,18 @@ async def get_catalog():
         logger.error(f"Error serving catalog: {e}")
         raise HTTPException(status_code=500, detail="Error serving catalog")
 
+@app.get("/", response_class=HTMLResponse)
+async def root():
+    return """
+    <h2>Apex Biotical Veterinary WhatsApp Bot</h2>
+    <p>The bot is running! Use the API endpoints for WhatsApp integration.</p>
+    <ul>
+        <li><b>POST /webhook</b> – WhatsApp webhook endpoint</li>
+        <li><b>GET /health</b> – Health check</li>
+        <li><b>GET /catalog</b> – Download product catalog PDF</li>
+    </ul>
+    """
+
 # --- Webhook Endpoint for WhatsApp/WhatsJet ---
 @app.post("/webhook")
 async def webhook(request: Request):