Vapi

Vapi is a voice AI platform that enables developers to build and deploy advanced voice agents through a highly configurable API. The company serves businesses ranging from startups to Fortune 500 companies, powering over 150 million calls with 1.5 million assistants launched and 350,000+ developers using the platform.

Vapi's platform offers comprehensive voice AI capabilities including inbound and outbound calling, multilingual support for 100+ languages, tool calling for API integrations, A/B testing for optimization, and automated testing to prevent hallucinations. The platform is designed to be API-native with extensive customization options, allowing developers to bring their own models for transcription, LLM, and text-to-speech while maintaining enterprise-grade security with SOC2, HIPAA, and PCI compliance.

The company emphasizes reliability and scalability with 99.99% uptime, sub-500ms latency, and the ability to scale to millions of calls. Vapi provides enterprise support including forward-deployed engineering teams and offers over 40+ integrations to help businesses implement voice AI solutions quickly and effectively.