TeleSign's Messaging service is a REST API that allows you to send SMS messages, alerts, reminders, and notifications, or send verification messages containing one-time passcodes (OTP). TeleSign provides a way to build communications and account security into your web and mobile apps. It is a cloud communications platform that empowers Web and mobile app developers build powerful and secure communication products using a dynamic platform with a large global network. TeleSign supports numerous use cases from SMS and voice messaging, two-factor authentication (2FA), one-time passwords (OTPs), data intelligence, fraud scoring and more. TeleSign‘s easy-to-integrate APIs and SDKs deliver speed, reliability and proven success, that maintains high quality direct-to-carrier routes to ensure a reliable global reach. TeleSign handles billions of communication transactions each year, across 200 countries and 87 languages. Four of the 5 largest companies in the world trust TeleSign to deliver mission critical communications and account security with the highest availability.
TeleSign uniquely combines data, analytics and machine learning with real-time communications that help websites and mobile applications grow smarter, communicate more effectively and secure accounts from compromise and fraud.
TeleSign, a Mobile Network Operator, has developed relationships with hundreds of telecommunication providers worldwide and maintains high quality direct-to-carrier routes that ensures reliable global reach for our customers. TeleSign holds twelve patents covering 2FA and phone verification, and is one of the fastest growing online security companies in the world (according to the 2015 Inc. 500).
TeleSign operates all over the world with headquarters in Marina del Rey, CA and offices in UK, Sunnyvale, CA, Japan, China and Belgrade, Serbia.