How can I migrate from GCM / FCM? Pushy Support May 19, 2020 22:20 Updated Please refer to our detailed migration guides to switch over painlessly: Migrating from FCMMigrating from GCM Related articles What is MQTT? Does Pushy depend on Firebase Cloud Messaging? Why are my notifications delayed when my Android app is in the background? Is there an API rate limit? Is there a limit on the number of notifications I can send with Pushy? Comments 0 comments Please sign in to leave a comment.