Google Android

Firebase Cloud Messaging API

Firebase Cloud Messaging (FCM) is a cross-platform messaging solution that lets you reliably send messages to Android devices at no cost.

GitHub OpenAPI

Documentation

📖
Documentation
https://firebase.google.com/docs/cloud-messaging/server

Specifications

⚙
OpenAPI
https://fcm.googleapis.com/$discovery/rest?version=v1

SDKs

📦
SDK
https://firebase.google.com/docs/cloud-messaging/android/client