A simple and secure way to sign up and log in users with a one-time passcode.
Most legacy authentication options were made with the desktop in mind. Phone number login with SMS passcodes improves conversion and security on any device, and it’s particularly well-suited for the mobile user experience.Explore SMS OTP docs
Elevate mobile experiences with phone number login — featuring auto-fill on iOS and Android — making it lower friction than passwords on any device.
Making account takeover more difficult and costly, phone number login is safer than password-based authentication options for both users and businesses.
For best-in-class reliability, we build failover logic that smartly routes SMS passcodes through multiple programmatic SMS platforms.
Our flexible APIs make it simple to use this method as a primary factor or as a two-factor authentication option to strengthen security.