The fastest way for developers to build notifications for their app.
Developers waste time and effort integrating and managing multiple notification channels and templates across different providers.
Courier provides APIs and a visual template designer to build, manage, and send multi-channel notifications with a single API call, routing to the best channel per user.
Developers and product teams at companies that need to send email, push, in-app, SMS, or chat notifications from their applications.
Founder & CEO @ Courier (YC S19)


