HappyRobot develops an AI-native operating system that deploys autonomous AI workers to handle end-to-end operational tasks such as inbound sales, customer service, recruiting, appointment scheduling, and payment collections, primarily for supply chain and logistics enterprises. The platform integrates with phone, email, and systems like ERP and TMS to automate complex workflows, serving over 70 customers including DHL, Ryder, Schneider, and Werner. Backed by Y Combinator, a16z, and a recent $44M Series B, it positions itself as infrastructure for scaling AI-driven operations in the real economy.