# Vapi

> Vapi is a San Francisco developer platform for building, testing, and deploying conversational voice AI agents over phone and web. It abstracts the messy plumbing of speech-to-text, LLMs, text-to-speech, and telephony so developers can ship human-sounding voice agents in minutes, with sub-500ms latency and enterprise-grade compliance.

- **Founded:** 2020
- **Headquarters:** San Francisco, California, United States
- **Founders:** Jordan Dearsley (Co-Founder & CEO), Nikhil Gupta (Co-Founder & CTO)
- **Team size:** ~170 (Apollo); ~50 reported on YC profile
- **Products:** Vapi Platform, Voice Orchestration, Telephony Integration, Testing & Observability, Vapi CLI & SDKs
- **Notable:** Crossed 1 billion AI voice calls handled (May 2026), $500M valuation reached at Series B, 10x enterprise revenue growth in the year leading up to Series B

## Products & services

- **Vapi Platform** — API-native developer platform to build, test, and deploy conversational voice AI agents across phone and web.
- **Voice Orchestration** — Plugs together speech-to-text, LLMs, and text-to-speech with sub-500ms median latency and real-time interruption handling.
- **Telephony Integration** — Inbound and outbound calling, SIP trunking, and global phone number provisioning baked into the API.
- **Testing & Observability** — Automated voice agent testing suites, transcripts, call analytics, and A/B testing for prompts and voices.
- **Vapi CLI & SDKs** — Command-line tooling and SDKs across JavaScript, Python, and more for embedding voice agents into existing apps.

## Achievements

- Crossed 1 billion AI voice calls handled (May 2026)
- $500M valuation reached at Series B
- 10x enterprise revenue growth in the year leading up to Series B
- Selected by Amazon Ring over 40 competitors
- 1M+ developers using the platform

## Latest updates

- **2026-05** — Closed $50M Series B led by Peak XV at a $500M valuation, bringing total funding to ~$72M.
- **2026-05** — Announced 1B+ calls handled across the platform.
- **2024-03** — Public launch on Product Hunt.

## Links

- Website: https://vapi.ai
- LinkedIn: https://www.linkedin.com/company/vapi-ai
- Twitter/X: https://twitter.com/Vapi_AI
- GitHub: https://github.com/VapiAI
- YouTube: https://www.youtube.com/@vapi_ai

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Profile page: https://yespress.io/vapi
Published by YesPress — https://yespress.io
Last updated: 2026-05-22