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Vapi

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Voice AI agents for developers

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Vapi is an API-first platform that enables developers to build, deploy, and scale voice AI agents for phone operations. It provides a configurable API with TypeScript, Python, cURL, and React SDKs, allowing teams to create inbound and outbound voice assistants that integrate with over 40 third-party services including OpenAI, Anthropic, ElevenLabs, Twilio, and Salesforce. Key features include multilingual support (100+ languages), automated testing for hallucination risks, tool calling for dynamic data fetching, A/B experiment capabilities, and the ability to bring custom models for transcription, LLM, or text-to-speech. The platform processes over 300 million calls and supports 2.5 million launched assistants, serving companies from startups to Fortune 500 enterprises. Vapi also offers enterprise-grade reliability with 99.9% uptime, sub-500ms latency, SOC2/HIPAA/PCI compliance, and dedicated deployment assistance.

Key Benefits

  • Configurable API for building voice AI agents
  • Integrates with 40+ apps and services
  • Supports multilingual agents in 100+ languages
  • Automated testing to identify hallucination risks

starting price

usage based(pay as you go)

integrations
openaianthropic11 labsdeepgramcartesiaassembly ai
quick ai search (for more info)

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