How to show push notification in flutter without firebase?
You can use Local notification plugin
https://pub.dev/packages/flutter_local_notifications
After your API response, just show that data in your local notification
FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin = new FlutterLocalNotificationsPlugin(); // initialise the plugin. app_icon needs to be a added as a drawable resource to the Android head projectvar initializationSettingsAndroid = new AndroidInitializationSettings('app_icon');var initializationSettingsIOS = IOSInitializationSettings( onDidReceiveLocalNotification: onDidReceiveLocalNotification);var initializationSettings = InitializationSettings( initializationSettingsAndroid, initializationSettingsIOS);flutterLocalNotificationsPlugin.initialize(initializationSettings, onSelectNotification: onSelectNotification);
you can use OneSignal.com . it's one of the best free and reliable services you can find.
you still have to setup a Firebase project for it, but all the rest is managed withing OneSignal Portal. they Provide also an API to send the notifications to Android and iOS devices.
they already have a plugin for Flutter and a documentation how you can integrate the system in you app.