Twilio

Twilio is a cloud communications and customer engagement platform founded in 2008. Its APIs allow businesses to embed SMS, voice, WhatsApp, video and email directly into their applications, combining communications APIs with first-party data and artificial intelligence. The company operates globally and works at the intersection of telecommunications, developer tooling and customer engagement technology.

Its products span several areas. Communications APIs are used by more than 335,000 businesses and millions of developers. A broader Customer Engagement Platform combines communications, data and AI to support personalised interactions at scale. Additional building blocks cover fraud prevention and user verification, marketing campaigns and modern contact centre communication. In 2025 Twilio was named a Leader in the Gartner Magic Quadrant for CPaaS, positioned highest for Ability to Execute.

For those considering a role, Twilio describes its mission as democratizing access to communication tools once exclusive to large telecom operators. The company is developer-centric - millions of developers use the platform daily - and its work centres on simplifying the complexity of the global telecommunications network and on innovation where data, AI and customer experience meet. Industry verticals touched by its technology include telecommunications, marketing, contact centres, and fraud prevention and identity verification.