GTM Publish Webhook is a free Chrome extension designed for monitoring Google Tag Manager (GTM) container publishing events. This tool effectively intercepts network requests to detect when a GTM container is published, ensuring that users are promptly notified through a configurable webhook. With its straightforward functionality, it streamlines the process of monitoring GTM activities, which is essential for digital marketers and web developers alike.

The extension is particularly beneficial for automating server actions that need to occur upon GTM container publishing, such as creating GA4 annotations or exporting live versions of GTM to a database. By providing real-time notifications, GTM Publish Webhook enhances workflow efficiency and supports better management of web analytics and tracking setups.