Google Realtime API Deprecation

The Realtime API is deprecated as of November 28, 2017.

Existing Realtime API client applications continue to work normally until December 11, 2018.

Timeline

Date Realtime API status
November 28, 2017 The Realtime API is no longer available for new projects. Projects which accessed the Realtime API prior to November 28, 2017 continue to function. All new projects that attempt to access the Realtime API will fail after that time.
December 11, 2018 Realtime API documents become read-only, and attempts to modify document contents using the API fail.
January 15, 2019 The Realtime API is shut down. You can still export Realtime document data.
September 30, 2019 The Realtime API export endpoint is shut down.