Welcome

Build integrations for Underdog's prediction markets exchange.

Get started

Making your first request

Create credentials, sign a request, and place your first order.

REST API

Browse the REST operations, schemas, and examples generated from OpenAPI.

WebSocket API

Browse channels, operations, messages, and schemas generated from AsyncAPI.

OpenAPI specification

Download the machine-readable REST contract for local tooling and code generation.

AsyncAPI specification

Download the machine-readable WebSocket contract for local tooling and code generation.