Local and Remote Notification Programming Guide: Communicating with APNsThe APNs provider API lets you send remote notification requests to APNs. APNs then conveys notifications to your app on iOS, tvOS, and macOS devices, and to Apple Watch via iOS. The provider API is based on the HTTP/2 network protocol. Each interaction starts with a POST request, from your provider, that contains a JSON payload and a device token. APNs forwards the notification payload to your ap
