OneSignal
Push notifications
Official site consultedEmail, notifications and realtime
Last verified: 1 October 2026
OneSignal is an omnichannel messaging platform for developers and marketers to automate engagement campaigns. The documentation provides quickstarts, SDK installation instructions and an API reference.
Services
- Mobile and web push notifications
- Transactional and marketing email
- SMS and RCS
- In-app messages and iOS Live Activities
- No-code journeys, A/B testing, segmentation
Sources
- OneSignal (new tab), verified on 1 October 2026Official site consulted