Vapi is a developer platform for building voice AI agents. Its core product is a configurable API that integrates speech-to-text, large language models, and text-to-speech into a unified system designed for building voice AI products and scaling phone operations. The platform targets sub-600ms response times.
The company operates in technical domains including voice AI, speech-to-text, large language models, and text-to-speech. Its platform serves a substantial developer base, with over 600,000 developers reported, adding more than 2,000 daily. The system handles hundreds of thousands of calls per day.
Vapi has secured $20 million in Series A funding.





