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For testing purposes, Kalshi offers a demo environment with mock funds. You can access the Demo environment at https://demo.kalshi.co/. For safety, credentials are not shared between this environment and production. To set up a Kalshi Demo account, follow this step-by-step tutorial. Demo’s recommended Trade API root is https://external-api.demo.kalshi.co/trade-api/v2.
SurfaceRecommended demo endpointAlso supported
REST Trade APIhttps://external-api.demo.kalshi.co/trade-api/v2https://demo-api.kalshi.co/trade-api/v2
WebSocket APIwss://external-api-ws.demo.kalshi.co/trade-api/ws/v2wss://demo-api.kalshi.co/trade-api/ws/v2
For the full production and demo endpoint list, see API Environments and Endpoints.