My apps currently use Firebase Push Notifications. The message is created from another server. Once the mesasge is created it is sent out using Firebase.

But can I do this without using Firebase? Because technically I could create a restful API which returns a list of daily messages along with the time in which they are supposed to go out.

I was looking at flutter_local_notificatons package and I can see that I can schedule a notification. But when that schedule is run, is it possible for it to first call my external restful api and check if there are any messages it needs to send? If so I don’t need to use Firebase anymore.