# Time to Upgrade from GCM to FCM

DevFeed: [Time to Upgrade from GCM to FCM](<https://devfeed.tech/articles/time-to-upgrade-from-gcm-to-fcm-16264.md>)

Original publisher: [Read original article](<https://firebase.blog/posts/2018/04/time-to-upgrade-from-gcm-to-fcm>)

Author: Jen Person

Published: 2018-04-10T00:00:00Z

Content type: news

Language: en

Sources: [Firebase Blog](<https://devfeed.tech/sources/firebase-blog.md>)

Topics: [Firebase](<https://devfeed.tech/topics/firebase.md>), [Messaging](<https://devfeed.tech/topics/messaging.md>), [migration](<https://devfeed.tech/topics/migration.md>), [Google](<https://devfeed.tech/topics/google.md>), [A/B Testing](<https://devfeed.tech/topics/a-b-testing.md>), [Android](<https://devfeed.tech/topics/android.md>), [iOS](<https://devfeed.tech/topics/ios.md>), [Web](<https://devfeed.tech/topics/web.md>)

Tags: [android](<https://devfeed.tech/tags/android.md>), [cloud-messaging](<https://devfeed.tech/tags/cloud-messaging.md>), [firebase](<https://devfeed.tech/tags/firebase.md>), [ios](<https://devfeed.tech/tags/ios.md>), [migration](<https://devfeed.tech/tags/migration.md>), [migration-guide](<https://devfeed.tech/tags/migration-guide.md>), [news](<https://devfeed.tech/tags/news.md>), [upgrade](<https://devfeed.tech/tags/upgrade.md>), [web](<https://devfeed.tech/tags/web.md>)

## AI overview

Firebase announces that developers must migrate from Google Cloud Messaging (GCM) to Firebase Cloud Messaging (FCM) by April 11, 2019, because the GCM server and client APIs are deprecated and will be removed. Existing GCM tokens will continue to work with FCM.

## Source excerpt

News, tutorials, and updates from the Firebase team.