Kalshi

Kalshi Trade API (REST)

Public REST API for trading on Kalshi - browse markets, events, and series, place and cancel orders, manage portfolio and positions, fund and withdraw, and pull historical trades. Authenticated with API keys and Ed25519 request signatures.

Kalshi Trade API (REST) is one of 7 APIs that Kalshi publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include REST, Trading, Markets, and Orders. The published artifact set on APIs.io includes API documentation and an OpenAPI specification.

GitHub OpenAPI

Documentation

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Documentation
https://docs.kalshi.com/api-reference

Specifications

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OpenAPI
https://docs.kalshi.com/openapi.yaml

OpenAPI Specification

openapi.yaml Raw ↑