Segment (Twilio)

Founded in 2011 as a Y Combinator startup and acquired by Twilio in November 2020 for $3.2 billion, Segment is a developer-first customer data infrastructure that expanded into CDP territory. The platform provides over 700 pre-built connectors spanning data collection, quality enforcement, identity resolution, audience activation, and AI predictions. With over 450 ready-to-use integrations, reverse ETL for direct syncing from data warehouses, and Functions to create custom sources and destinations using JavaScript and AI, Segment creates identity-resolved, real-time customer profiles that automatically sync to data warehouses. The platform is strongest as a data router with identity resolution, activation, and AI capabilities.