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Kalshi API
Visit Kalshi API (affiliate link placeholder)
Plans
No public plan pricing found on official sources.
Key facts
| Category | prediction-market |
|---|---|
| Free tier | unknown |
| 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. |
| History | unknown |
| Asset classes | prediction-markets |
| Real-time / delayed | unknown |
| WebSocket | yes (user fills websocket channel referenced) |
| Notes | API pricing not stated on docs page; tier budget numbers not captured. |
| Sources | https://docs.kalshi.com/getting_started/rate_limits |
| Verified on | 2026-10-15 |