Two-factor authentication is the foundation of fraud prevention and account security. Prevent fraudulent account creation and make sure that your digital community is safe, secure, and streamlined with easy to implement one-time passcodes and two-factor authentication.Get started
Instant API access to ongoing and accurate key phone number and user identity data attributes to help make better decisions about new registrations, user activity and fraud risks.
Ensure your users are who they say and stay PDS2 compliant when customers change important account information, access credit card details, transfer funds, or make payments.
Secures accounts from compromise using voice-based OTPs on any phone type, on a global scale.
Mitigate new account registration fraud and attempts at bulk account creation.
Enables global reach of users who do not wish to receive SMS-based messages and/or provided a number that is not equipped to receive them.
Reach more customers with 120+ optimized points-of-presence and 700+ direct-to-carrier routes.
Optimal performance with higher successful delivery rates than any leading competitor.
Premium customer support to strengthen communication, reduce costs, and ensure seamless customer interaction.
TeleSign’s direct access to hundreds of carriers and waterfall approach across different routes ensures exceptional delivery and conversion rates.
Block illegitimate accounts and verify users in real time with one-time SMS verification codes to authenticate identities and verify transactions.
Automatically flag anomalies in traffic type and volume to help prevent and fraud malicious attacks.
Our extensive reach provides the most coverage and best-in-class message delivery to users in 87 countries and territories to keep your users protected, wherever they are.
Automatic answering machine detection prevents your one-time passcodes from being accidently left on vulnerable voicemail systems.
Use your preferred caller IDs so your customers know who is calling.
Our phone number verification API offers fast, easy, and flexible SMS and voice verification to deliver on even the most complex use cases. Get up and running fast with clear documentation, user-friendly developer tools, comprehensive data reports, and the white-glove customer service.
“We needed a partner that could scale to support our ever-expanding global footprint. TeleSign delivered the scale we were looking for.”