# Firebase launches the FCM HTTP v1 API for cross-platform messaging

DevFeed: [Firebase launches the FCM HTTP v1 API for cross-platform messaging](<https://devfeed.tech/articles/what-s-new-with-fcm-customizing-messages-across-platforms-16239.md>)

Original publisher: [Read original article](<https://firebase.blog/posts/2017/11/whats-new-with-fcm-customizing-messages>)

Author: Arthur Thompson

Published: 2017-11-15T00:00:00Z

Content type: news

Language: en

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

Topics: [Messaging](<https://devfeed.tech/topics/messaging.md>), [API](<https://devfeed.tech/topics/api.md>), [cross-platform](<https://devfeed.tech/topics/cross-platform.md>), [OAuth 2.0](<https://devfeed.tech/topics/oauth2.md>), [Security](<https://devfeed.tech/topics/security.md>), [JSON](<https://devfeed.tech/topics/json.md>), [Android](<https://devfeed.tech/topics/android.md>), [iOS](<https://devfeed.tech/topics/ios.md>), [Web](<https://devfeed.tech/topics/web.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [api-security](<https://devfeed.tech/tags/api-security.md>), [cloud-messaging](<https://devfeed.tech/tags/cloud-messaging.md>), [cross-platform](<https://devfeed.tech/tags/cross-platform.md>), [firebase](<https://devfeed.tech/tags/firebase.md>), [http](<https://devfeed.tech/tags/http.md>), [ios](<https://devfeed.tech/tags/ios.md>), [json](<https://devfeed.tech/tags/json.md>), [launch](<https://devfeed.tech/tags/launch.md>), [news](<https://devfeed.tech/tags/news.md>), [security](<https://devfeed.tech/tags/security.md>), [web](<https://devfeed.tech/tags/web.md>)

## AI overview

Firebase announces the FCM HTTP v1 API, a RESTful API for sending messages to cross-platform applications. It uses OAuth2, supports platform-specific and common message fields, and works with iOS, Android, and Web messaging options.

## Source excerpt

News, tutorials, and updates from the Firebase team.