Overview
Vapi — Developer platform for building real-time AI voice agents for phone and web calls.
Vapi is a developer-focused platform for building, testing, and deploying real-time AI voice agents that handle phone and web-based conversations. It provides a complete infrastructure layer including real-time speech-to-text, AI response generation via any LLM, and text-to-speech synthesis — all with low enough latency for natural conversation. Vapi supports custom voice selection, tool calling for live data lookups, and HIPAA-compliant deployments. It is used by startups and enterprises building AI phone agents for customer support, appointment scheduling, sales outreach, and healthcare intake — replacing or augmenting human call center operators.
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