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Connect your Kalshi API key to place orders from PredictionCharts. Your private key is encrypted at rest and only used server-side to sign your requests — it never leaves the server or appears in your browser. Create a key at kalshi.com → Settings → API Keys.
Limit orders only. You’ll confirm the order (and see max cost) before it’s sent to Kalshi.
Your orders
Positions you placed through PredictionCharts, priced live from Kalshi.
Users
AI API usage & balance
Estimated from the tokens we spend on each key, priced at the editable rates below. No provider exposes account balance through a standard API key — enter what you last topped up and reset the clock after each refill to track what's left.
Learn how the market moves, and why.
PredictionCharts analyzes Kalshi and Polymarket price history after every game, pinning each probability swing to the play that caused it — so you can see how the market reacts and place future orders with accuracy.
Baseball gamelines
Every game, day by day — page back through the season to any past slate. Each matchup carries Claude, ChatGPT and Grok's winner pick (green = correct, red = wrong). Click a game for its win-probability chart; sort by any column.
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