Developer
Secure, single-use voice or SMS verification codes add reliable security to your systems. With 700+ direct-to-carrier routes, you can deliver a safe customer experience anywhere on the globe.
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Multifactor authentication (MFA) is the foundation of fraud prevention and account security. Make sure your customers and your platform are safe, secure, and streamlined with easy to implement one-time passcodes (OTPs) and MFA.
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.
Seamlessly identify and flag suspicious users and prevent fraudulent activity with accurate global verification data and key user identity attributes.
Eliminate registration fraud and attempts to create spam accounts in bulk by requiring multifactor authentication with one-time SMS or voice passcodes to verify your customer’s identity.
Verify high-value transactions with a one-time passcode sent via SMS or voice and stay PDS2 compliant when customers change important account information, access credit card details, transfer funds, or make payments.
Our phone number verification API offers fast, easy, and flexible SMS and voice verification to address the most complex use cases. We offer clear documentation, user-friendly developer tools, comprehensive data reports, and white-glove customer service.
Telesign’s direct access to hundreds of carriers and waterfall approach across different routes ensures exceptional delivery and conversion rates.
Verify users in real time with SMS one-time passcodes to authenticate a known user, verify a transaction, or block fraudsters from opening fake accounts.
Automatically flag anomalies in traffic type and volume to help prevent and fraud malicious attacks.
Reach and ensure message delivery to end-users in over 200 countries and territories and in 87 different languages.
Automatic voicemail detection ensures a live user is receiving the passcode by requiring users press a key to hear the voice message, reducing the risk of stolen codes and account breaches.
Send phone calls from dedicated virtual numbers/caller IDs to ensure numbers are recognizable to end users.
