How many topics can we make in Firebase Cloud Messaging?

Question

I\'m building an app where I am using Firebase Cloud Messaging. But I have some doubts. I want to know how many topics we could make in one app instance?

In official

Answer 1

https://firebase.google.com/docs/cloud-messaging/android/topic-messaging

Some things to keep in mind about topics:

Topic messaging supports unlimited topics and subscriptions for each app.

You get too many topics error if you are subscribing for too many topics from a single app instance to check abuse.