Update app.py

app.py

@@ -8,7 +8,15 @@ app = Flask(__name__)
 
 @app.route('/')
 def index():
-    return 'Hello, Webhook Receiver!'
+    content ="""
+    Hello, Webhook Receiver!
+    
+    curl -X POST "https://tonyassi-webhook-receiver-dev.hf.space/json" \
+     -H "Content-Type: application/json" \
+     -d '{"key1": "value1", "key2": "value2"}'
+
+    """
+    return content
 
 @app.route('/json', methods=['POST'])
 def handle_json():