Learn how to send push notifications from a Node.js server using the Firebase Cloud Messaging (FCM) API. Push notifications allow you to keep your users informed with real-time notifications on their mobile devices, even when your app is not open. FCM allows you to send notifications to both Android and iOS devices and customize the content of your messages. In this tutorial, we'll cover the steps to set up your FCM project, initialize the Firebase Admin SDK in your Node.js app, and send push notifications to your users using both the latest FCM API and the legacy API . By the end of this tutorial, you will have the knowledge and tools you need to implement push notifications in your Node.js app.

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