Twilio Inc. provides a customer engagement platform to build direct, personalized relationships with their customers everywhere in the world. Its platform provides developers with tools to build, scale, and deploy real-time communications within software applications. Its segments include Twilio Communications (Communications) and Twilio Segment (Segment). The Communications segment consists of a variety of application programming interfaces (APIs) and software solutions to optimize communications between its customers and their end users. Its key offerings in its Communications segment include Messaging, Voice, Email (includes Marketing Campaigns), Flex and User Authentication and Identity. Its Twilio Flex is a digital engagement center for the entire customer journey. Twilio Segment is a customer data platform that provides businesses with the tools to harness the power of contextual data by unifying real-time information collected throughout each customer’s journey into a profile.