Vapi

Vapi is a voice AI platform that enables developers to build, test, and deploy voice agents for call automation. The platform provides an AI-powered virtual assistant API with natural language processing, knowledge retrieval, contextual awareness, multi-turn dialogue, and customizable personality. Vapi handles infrastructure including orchestration, real-time monitoring, and enterprise-grade configurability, allowing teams to go from prompt to production in minutes. The platform supports customer support, lead qualification, and appointment scheduling use cases with sub-500ms latency, SOC 2, HIPAA, and PCI compliance. Vapi powers over 2.5 million agents launched by 750,000+ developers, supporting 1 billion calls with 99.9% uptime for enterprise clients. Founded in 2020 and headquartered in San Francisco, Vapi has raised approximately $75.2 million at the Series B stage from investors including Kleiner Perkins, Bessemer Venture Partners, Peak XV Partners, M12, Y Combinator, Abstract Ventures, AI Grant, and Saga Ventures.