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Vapi

Voice AI infrastructure for developers

Freemium
Categories: Voice, AI Agents, Developer Tools
Vapi is a developer platform for building, testing, and deploying AI voice agents at scale. Features ultra-low latency (<500ms), 100+ voice options, function calling, background noise cancellation, and call analytics. Used for customer support automation, appointment scheduling, and intake flows.

Key Features

  • Voice AI infrastructure platform
  • Phone AI agent building
  • Low-latency voice synthesis
  • Call routing and management
  • Custom voice personas
  • Developer API

Use Cases

  • Building AI phone call agents
  • Customer service voice automation
  • Appointment booking via phone AI
  • Voice AI application development
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