Phone number reputation scoring
Discover device characteristics including carrier, type, recent SIM card swaps, and more.
Build SMS messaging into web and mobile applications
Build voice calling into apps, web and communication systems
Authenticate users with SMS and voice-based one-time passcodes
Send conversational messages with rich content
BY USE CASE
Learn how TeleSign's 2FA verification solution uses Score to complement all your account security needs
Why We Link Communication and Digital Identity
Learn how TeleSign protects users and platforms during summer vacation with solutions ranging from digital identity to programmable communications.
TRY OUR APIs
© 2021 TeleSign