Join us and make the Internet a safer place.
Prevent account compromise with two-factor authentication. Security beyond username
Verify transactions and new account registrations with the one piece of data that’s
unique to everyone. Their phone number.
As unique as your users, your phone number is your Mobile Identity.
Reach a global user base with reliable, localized mobile messaging.
Detect fraud and assess risk in real time based on a phone number.
Secure accounts and improve the end-user experience.
Require a phone number to prevent fake accounts.
Get started with SDKs for Java, PHP and Python.
Introducing AuthID. One Cool App. Two Powerful Modes. Protect your mobile users with a secure authentication app that delivers one-time passcodes via push notifications and soft tokens.
TeleSign Website Menu
Up to top