Retell AI

Retell AI is a YC-backed AI call center platform that enables businesses to build, deploy, and manage AI-powered phone agents. It provides an API for creating human-like conversational voice agents with low latency (~800ms response time), realistic voices, interruption handling, and seamless turn-taking. The platform supports use cases including AI receptionists, sales agents, and appointment scheduling. Retell AI integrates with custom LLMs and offers automation tools to help companies scale voice operations efficiently.