However, Google Calendar will be able to block apps from using its API. Third-party apps can’t just integrate with Google Calendar intrinsically. The company released the Calendar Provider API.

Google has made a small change to the Google Calendar API that nonetheless could make a huge difference for developers and users. The Calendar API now supports push notifications - alerts sent ...

In March, Google announced plans to shutter the company’s CalDAV API—the interface used to tap into the near-ubiquitous Google Calendar service.