{"uid":"cap_Q3eIAKqcPVK8G0d-wQFS-","slug":"kalshi-prediction-markets-data-f099ee2f","name":"Kalshi Prediction Markets Data","description":"Kalshi (US regulated prediction exchange) open events and their markets: event title, category, series, and per market the question, yes/no bid and ask, last price (= implied probability), 24h and total volume, open interest, close time and rules. Filter by series ticker (e.g. KXFED, KXBTC) or category text. From Kalshi's official public market-data API via a proxy; prices in USD per $1 contract.","url":"https://api.chainmarket-api.workers.dev/api/finance/kalshi-prediction-markets?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"limit":{"type":"string","description":"How many events, 1 to 100 (default 10)"},"series":{"type":"string","description":"Optional Kalshi series ticker, e.g. KXFED, KXBTCD, KXELONMARS"},"category":{"type":"string","description":"Optional category filter (case-insensitive substring), e.g. Economics, Politics, Sports, Crypto"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_B1CA5SMjcstMOmKu3p_1G","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches live Kalshi prediction market events and contract data, optionally filtered by series ticker or category","exampleAgentPrompt":"Pull me the top 20 Kalshi prediction markets in the Economics category and show me the current contract prices and probabilities.","exampleUseCases":[{"title":"Fed rate decision market odds","prompt":"What does Kalshi currently show for the KXFED series — pull up the latest Federal Reserve prediction markets and tell me the implied probabilities."},{"title":"Bitcoin price prediction markets","prompt":"Show me 15 Kalshi prediction markets for Bitcoin price — use the KXBTCD series so I can see where the market is pricing BTC outcomes."},{"title":"Browsing political prediction markets","prompt":"Give me the top 10 Kalshi prediction markets in the Politics category so I can see what events people are betting on right now."}],"resultDescription":"Returns a list of Kalshi prediction market events including event titles, series tickers, categories, contract details, market prices, and probability data for each active market matching the query parameters.","failureModes":["Invalid series ticker returns empty results or an error","Limit out of range (below 1 or above 100) may return an error or be clamped","Payment failure (x402) results in no charge and no data returned","Kalshi API downtime may cause upstream errors","Category substring with no matches returns an empty list"],"whenToPreferThis":"Use this endpoint when an agent needs live Kalshi prediction market data without requiring a Kalshi account or API key. Ideal for agents that need pay-per-call access to prediction market probabilities for crypto, economics, politics, or sports events, especially when integrating with x402 micropayment flows on Base, Solana, or other supported chains.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T12:46:05.797Z","isFirstParty":false,"canonicalSlug":"kalshi-prediction-markets-data-f099ee2f"}