Firebase Cloud Messaging (FCM) provides a reliable and battery-efficient connection between your server and devices that allows you to deliver and receive messages and notifications on iOS, …

Dec 18, 2025 · You can send messages via the Firebase Admin SDK or the FCM server protocol. You can use the Notifications composer for testing and to send marketing or engagement messages …

Dec 18, 2025 · This page explains how to send messages using the Firebase console. It also explains how the console fields map to keys in the Message object and how to use the console for testing or …

In this codelab, you'll learn how to use Cloud Functions for Firebase to add functionality to a chat web app by sending notifications to users of the chat app. This codelab is meant as a sequel to the …

Dec 18, 2025 · To subscribe your app to push notifications, you need to associate a pair of keys with your Firebase project. You can either generate a new key pair or import your existing key pair …

Dec 18, 2025 · The Notifications composer provides a GUI-based option for creating notification requests. For full automation and support for all message types, you must build message requests in …

Dec 18, 2025 · A guide on how to send messages using the HTTP v1 API. This page covers how to send messages to specific devices.

Oct 21, 2025 · You can specify options for this notification, such as title or click action, either in the send request from your app server, or using service worker logic on the client.

Dec 18, 2025 · Because only alert notifications can trigger notification service app extensions, you must add a notification service extension to your app and call this API inside a service extension to enable …

Dec 18, 2025 · A guide to customizing Firebase Cloud Messaging notifications with a common set of fields for all platforms and platform-specific sets of fields.