Courier

Courier is a complete notifications system for your application. We provide a single API for Emails, SMS, Push, In-app, Slack, custom channels, and more so you can integrate once and send anywhere. We offer robust logging and analytics, white-labeling and branding functionality, and a powerful drag & drop content editor that works across all of your integrations.

We also support complex routing rules for user preferences, subscribes and unsubscribes, and sequence workflows for complete communication management with your users.