Prediction market
Kalshi API API pricing
Visit Kalshi API ↗kalshi.com
Plans
No public plan pricing on the official pages.
Key facts
- Free tier
- unknown
- History
- unknown
- Real-time / delayed
- unknown
- WebSocket
- yes (user fills websocket channel referenced)
- Rate limits
- Token buckets per tier (Basic, Advanced, Premier, higher); default cost 10 tokens/request; separate Read and Write budgets. Example: Premier Write refills 1,200 tokens/s (≈120 orders/s), capacity 3,600. Balance endpoint 1/s (Basic/Advanced) or 5/s (higher). Basic/Advanced per-second budgets not captured.
- Asset classes
- prediction-markets
- Notes
- API pricing not stated on docs page; tier budget numbers not captured.
Sources
- docs.kalshi.com/getting_started/rate_limitsPricing source
Checked by hand on Oct 15, 2026. — means the official pages don’t state it.
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