Realtime API is no longer available for new projects.1
December 11, 2018
Realtime API documents become read-only, and attempts to modify document contents using the API fail.
January 15, 2019
Realtime API is shut down, but a JSON export API remains available.
1 Projects which accessed the Realtime API prior to November 28, 2017 will continue to function as before. All other projects, including new projects, will be blocked from accessing the Realtime API.
Migration tips
Applications using the Realtime API will need to migrate to another data store. Our migration guide provides instructions on how to export Realtime document data and also how that data can be imported into Google Cloud Firestore.
After Realtime API is shut down, we will continue to provide a means for exporting Realtime document contents as JSON.
Additional information and support
You can read more about the deprecation in our documentation. If you have questions that aren’t answered there, see the support page for how to get help.