Bookify has developed a cutting-edge webhook system using Node.js and Google Cloud Tasks to deliver real-time event notifications, starting with booking creations. The system features a Management API that enables users to securely create, read, update, and delete webhook subscriptions, ensuring strict control over their endpoints. Central to its security, each webhook endpoint is protected by a unique, encrypted secret provided only once to the user. To maintain data isolation, operations verify organizational ownership rigorously, preventing unauthorized access. Its asynchronous notification pipeline enqueues tasks for efficient delivery, allowing core processes to remain fast and reliable even if webhook endpoints are slow or fail. This architecture underscores Bookify’s commitment to secure, resilient, and scalable notification services.