Use Sign In Scheduling with Courier
NotificationsMessaging API
Sign In Scheduling & Courier integration
About Sign In Scheduling
Appointment scheduling software trusted by over 50,000 businesses worldwide and designed to reduce no-shows, increase capacity & boost repeat custom.
About Courier
Courier is the smartest way to design and deliver notifications. Design once, and deliver to any channel – email, Slack, SMS, push, and more – through one API.