Product

Vapi Voice AI Platform

by Vapi · Voice agent infrastructure

What it does

An API-native enterprise platform for building, deploying, and managing configurable voice agents that handle inbound and outbound calls including customer support, collections, candidate screening, appointment scheduling, and outbound sales.

Key features

  • Sub-500ms to 800ms response latency
  • Configurable model and provider swapping (speech-to-text, large language model, text-to-speech)
  • Support for over 100 languages
  • Telephony abstraction (no need to manage telephony internals)
  • Call-level monitoring and analytics
  • Guardrails and human escalation paths
  • Developer self-serve and enterprise tiers

Integrations

OpenAI GPT modelsAnthropic Claude modelsDeepgram (speech-to-text)ElevenLabs (text-to-speech)Sesame voice-to-voice modelMajor telephony providers