Firebase Cloud Messaging (FCM) offers two options to send messages as briefed up below. 

  1. You can send firebase push notifications from your website. It is managed by FCM SDK automatically. 
  2. You can data send messages which are managed by the client’s app. 

To use Firebase Cloud Messaging, you can create and login to the FCM account. It is available for free.

To send free push notifications to your user, sign-up to Truepush now.