diff --git a/extra/callback_server.py b/extra/callback_server.py
new file mode 100644
index 0000000..1a2302c
--- /dev/null
+++ b/extra/callback_server.py
@@ -0,0 +1,32 @@
+from http.server import HTTPServer, BaseHTTPRequestHandler
+import sys, os
+
+DEFAULT_PORT = int(os.getenv('LOCAL_CALLBACK_PORT', 9888))
+
+
+class RequestHandler(BaseHTTPRequestHandler):
+    def do_POST(self):
+        content_length = int(self.headers['Content-Length'])
+        post_data = self.rfile.read(content_length)
+
+        print("Received POST request:")
+        print(post_data.decode('utf-8'))
+
+        self.send_response(200)
+        self.send_header('Content-type', 'text/plain')
+        self.end_headers()
+        self.wfile.write(b"{\"message\": \"Message Received\"}")
+
+
+def run_server(port=DEFAULT_PORT):
+    server_address = ('', port)
+    httpd = HTTPServer(server_address, RequestHandler)
+    print(f"Server running on port {port}")
+    httpd.serve_forever()
+
+
+if __name__ == '__main__':
+    port = DEFAULT_PORT
+    if len(sys.argv) > 1:
+        port = int(sys.argv[1])
+    run_server(port)