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Build and deploy voice AI agents with ultra-low latency and natural interactions

Vapi is a developer platform for building and deploying production-ready voice AI agents with minimal latency. It provides comprehensive APIs and SDKs for creating natural voice interactions across web, mobile, and telephony systems, with built-in support for multiple AI models and voice providers.

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Details

Paid
Closed Source
Vapi Agent's User Interface

Overview

Vapi is a comprehensive platform that enables developers to build, test, and deploy voice AI agents in minutes rather than months. The platform combines advanced voice processing capabilities with flexible AI model integration to create natural, responsive voice interactions across multiple channels.

Key Features

  • Ultra-low Latency: Optimized GPU inference, intelligent caching, and low-latency audio streaming
  • Natural Interactions: Proprietary endpointing model and interruption handling for human-like conversations
  • Enterprise-grade Scalability: Support for 1M+ concurrent calls with high availability
  • Flexible Integration Options:
    • Compatible with multiple AI models (OpenAI, Groq, Mistral, OpenRouter)
    • Various voice providers (ElevenLabs, PlayHT, LMNT, Deepgram)
    • Client SDKs for Web, iOS, Flutter, React Native, and Python

Use Cases

  • Customer Support
  • Outbound Sales
  • Lead Generation
  • Appointment Scheduling
  • Telehealth Services
  • Food Ordering
  • Transportation Logistics
  • Employee Training

Technical Specifications

  • WebRTC streaming support
  • Function calling capabilities
  • Multi-language support (100+ languages)
  • Private internet backbone
  • On-premises deployment options

Integration

Vapi provides comprehensive SDKs and APIs for seamless integration:

  • Web SDK
  • Mobile SDKs (iOS, Flutter, React Native)
  • Python SDK for hardware integration
  • RESTful APIs for backend integration
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