Kalshi WebSocket Streaming API
Real-time streaming feed for market data, order book updates, fills, and portfolio events on Kalshi. Documented as an AsyncAPI spec alongside the OpenAPI REST surface.
Kalshi WebSocket Streaming API is one of 7 APIs that Kalshi publishes on the APIs.io network, described by an AsyncAPI event-driven specification.
Tagged areas include WebSocket, Streaming, and Market Data. The published artifact set on APIs.io includes API documentation and an AsyncAPI specification.