Twilio builds cloud software that lets businesses add text messages, phone calls, email, and identity checks to their own apps and websites through code their developers write. In 2011, Uber moved its rider texts to Twilio, which later let the ride app expand abroad without signing deals with each country's phone carriers. Developers call Twilio's programming interfaces to send texts and WhatsApp messages, run calls that people or AI voice agents answer, send email through its SendGrid service, and confirm logins with one-time codes. Customers pay mostly per message, call minute, or check, plus subscriptions for email. Twilio was founded in 2008 and is based in San Francisco.
Company Size
5,001-10,000
Company Stage
IPO
Headquarters
San Francisco, California
Founded
2008
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