The SAP Mobile Platform uses the native notification mechanisms provided by individual device platforms such as APNS, GCM, BIS/BES, WNS, and MPNS to send notifications. Back-end systems use the Push REST service to notify SAP Mobile Platform about any notification messages it sends to devices.
http[s]://<host:port>/<Notification>/<registration ID>
https://<HMC base URL>/<Notification>/<registration ID>
You can also send notification data using URL arguments.