Google Calendar webhooks: real-time event sync guide

Google Calendar webhooks, also known as push notifications, offer an efficient way for applications to receive real-time updates on calendar event changes by sending notifications directly to a server instead of continuously polling the Calendar API. To implement these webhooks, developers must create a "watch" channel on a calendar resource using the Google Calendar API and set up a publicly accessible HTTPS endpoint capable of handling POST requests. This approach significantly reduces API calls, reportedly by up to 90%, and facilitates the automation of workflows that respond to scheduling changes instantly, such as meeting preparation, availability synchronization, and resource scheduling. However, developers need to be aware of common pitfalls like the need for channel renewal, as channels have a limited lifespan, and the necessity of making additional API calls to retrieve specific event data. CodeWords simplifies this process by automating the creation and renewal of channels and managing multiple webhooks, thereby enabling seamless integration and reducing downtime risk.

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