Retell AI

Retell is the #1 voice AI agent platform, enabling you to build, test, deploy, and monitor voice AI agents. Industries such as healthcare, insurance, financial services, and logistics use Retell to automate and enhance call operations. In November 2026, Retell reached $100 million in annualized run rate with $4.6 million raised, in under three years. More than 4,000 customers run 100 million-plus calls a month on Retell.