The Outspeed API enables you to build fast, natural voice experiences by connecting to our hosted speech-to-speech stack. With Outspeed, you can send and receive both text and audio in real time, leverage voice activity detection, call external functions, and more.
Outspeed API is fully compatible with the OpenAI Realtime API.

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How It Works

Outspeed API is event-driven. After connecting via WebRTC, your app sends Client Events and listens for Server Events to drive the conversation. Getting started is easy: Each SDK manages the WebRTC connection and event flow for you, so you can focus on building your app.

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Key Capabilities

  • Text & Audio: Send and receive both text and audio
  • Realtime Responses: Low-latency replies for natural conversations
  • Function Calling: Call external tools and services

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API Events

The API is organized around events:

Client Events

Events your app can send to the Realtime server.

Server Events

Events your app receives from the Realtime server.