Twilio, Inc. engages in the development of communications software, cloud-based platforms, and services. It operates through Twilio Communications and Twilio Segments. The Twilio Communications segment includes the platforms Messaging and Voice. The Twilio Segment involves Segment, Engage, Flex, Email, and others. The company was founded by John Wolthuis, Jeffery G. Lawson, and Evan Cooke in March 2008 and is headquartered in San Francisco, CA.