TeleSign Messaging API allows users to code once and message across channels at scale. Connect with your customers anywhere in the world with SMS, RCS, and WhatsApp all together in one API. Choose one or all three channels to broaden your programmable messaging strategy and expand your audience.

TeleSign Number Masking enables direct two-way communications between you and your customer without sharing personal phone numbers or sensitive data. Protect employee and customer anonymity and security while delivering exceptional customer experiences.

TeleSign’s PhoneID helps you improve the accuracy and fidelity of your user verification intelligence. Its advanced mobile identity and fraud protection lets you spend less time worrying about fraud and more time delighting your customers. TeleSign's PhoneID API helps you validate customers’ identities without adding friction by delivering real-time behavioral data, phone number intelligence, and mobile identity analytics based on the information you’re already collecting.

TeleSign Phone Numbers allow users to send and receive SMS messages & voice calls from dedicated or shared numbers. Build stronger relationships with customers using local phone numbers in 120+ countries. TeleSign Phone Numbers ensure brand recognition, enable two-way communication, and increase engagement.

TeleSign Phone Verification API adds reliable security to your systems with secure, single-use voice or SMS verification codes. As the leaders in voice and SMS verification, TeleSign helps you deliver personalized customer safety anywhere on the globe.

TeleSign Programmable Voice API allows you to create the perfect communications solution, tailored for your business. Build fast, reliable and secure A2P, P2A and P2P voice applications directly into your web and mobile platforms.

TeleSign’s developer-friendly messaging API makes it easy to integrate RCS into your communications platform. Get up and running quickly with clear documentation, developer tools and comprehensive reporting.

TeleSign Score is a phone number reputation scoring API. Evaluate your fraud risk throughout the entire customer journey. TeleSign Score makes it easy to understand the risk and the reason behind it with tailored scoring models and comprehensive reason codes.

Silent Verification is a fast, frictionless, and secure mobile authentication solution to verify users. Silent Verification instantly matches the user’s phone number with Mobile Network Operator data to verify the user is in possession of their device. Striking the perfect balance of security and simplicity, Silent Verification delivers a safer, more seamless customer experience.

Send and receive text messages effortlessly with TeleSign's global text message API. Strengthen customer relationships and reach your global audience with text messaging from the leaders in two-factor authentication (2FA).

TeleSign's developer-friendly Whatsapp business API makes sending messages to your customers fast and easy. Get up and running quickly with clear documentation, developer tools, and comprehensive reporting.