Messaging · Notifications
Unified outbox for every channel.
Compose once, deliver across email, push, SMS, and in-app. Rate limits, quiet hours, consent, frequency caps — handled centrally.
Features
- Channel-agnostic notification API
- Frequency caps and per-user quiet hours
- Consent and preference center out of the box
- Templating with Liquid and MJML
- Per-channel fallback chains
Common use cases
Transactional receipts and alerts
Multi-channel lifecycle campaigns
Respecting user preferences across products
Start in minutes. Scale without switching tools.
The free tier covers most side projects. Every module is turn-key and every SDK is first-party.