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Developer resources

Explore the core technical documentation to help you integrate and manage OneSignal across your mobile and web applications.

Mobile setup
Step-by-step SDK setup guides to enable Push, In-App Messaging, and Live Activities.

Mobile SDK reference
Complete reference for native and wrapper SDK methods, classes, and event hooks.

Web setup
SDK installation and configuration guides for Web Push and custom prompt experiences.

Web SDK reference
Full API documentation for the Web SDK, including initialization, user subscriptions, and custom triggers.

Analytics setup
Configure Outcomes to track push delivery, click-throughs, and influence performance.

User model
Migration support and guidance for adopting OneSignal’s latest user-centric architecture and APIs.