SDK & API ReferenceExplore our extensive SKD and API reference material.Suggest EditsFrontend SDKs Reference documentation for devices and web browsers. Backend SDKs Reference documentation for backend SDK's. REST API Overview About the OneSignal Server REST API. User Model Migration Guide For existing customers who need to migrate to OneSignal's new user-centric APIs and SDKs. Updated about 2 months ago Table of Contents Frontend SDKs Backend SDKs REST API Overview User Model Migration Guide
