Is Firebase Cloud Messaging free?

Question

I need to implement push notification feature in my application. Exploring some options.

Google recently recommends Firebase platform, but this is not completely a f

Answer 1

As of April 10, 2018, Google has deprecated GCM. The GCM server and client APIs are deprecated and will be removed as soon as April 11, 2019. Migrate GCM apps to Firebase Cloud Messaging (FCM), which inherits the reliable and scalable GCM infrastructure.