API Reference

resources, libraries, walkthroughs and more

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Important: Trading Election Markets

Election markets can ONLY be traded with the new url. All endpoints remain the same. Please authenticate again as tokens cannot be shared.

Election Markets: api.elections.kalshi.com/trade-api/v2
Other Markets: trading-api.kalshi.com/trade-api/v2

Welcome to Kalshi exchange's trader and developer documentation. This guide outlines exchange functionality, market details and API architecture.

By continuing to use or access Kalshi's API, you are agreeing to be bound to the terms of the Kalshi Developer Agreement