{"uid":"cap_vhaXFhwu5Mim5fcfEM3OQ","slug":"2s-kalshi-market-prediction-data-2bec5110","name":"2s Kalshi Market Prediction Data","description":"A single Kalshi market by ticker. Returns yes/no bid+ask and last price (dollars, implied probability), volume, liquidity, open interest, open/close times, and settled result. Read-only (no Kalshi key needed).","url":"https://2s.io/api/predict/kalshi-market","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","queryParams"],"properties":{"type":{"const":"http"},"method":{"const":"GET"},"queryParams":{"type":"object","required":["ticker"],"properties":{"ticker":{"type":"string","maxLength":120,"minLength":1}},"additionalProperties":false}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0025","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":"$0.0025/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0025","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0025","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_7UJ7ya7qBUFmeNl3ndVO9","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0025","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches real-time prediction market data for a specific Kalshi market by ticker symbol","exampleAgentPrompt":"What are the current odds on the Kalshi market with ticker HIGHNY-25-B? Pull the latest prediction market data for that contract.","exampleUseCases":null,"resultDescription":"Returns real-time prediction market data for the specified Kalshi market ticker, including current contract prices, yes/no probabilities, market status, volume, and related metadata about the event being predicted.","failureModes":["Invalid or unknown ticker symbol returns a 4xx error or empty result","Kalshi market may be closed or expired, returning no active price data","Rate limiting or payment failure via x402 protocol returns a 402 Payment Required","Ticker format mismatch causes validation error due to schema constraints","Kalshi API downtime results in upstream service error"],"whenToPreferThis":"Use this endpoint when you need ground-truth, real-time prediction market data specifically from Kalshi — ideal when an agent needs current market-implied probabilities for events (elections, economic indicators, sports, etc.) without requiring signup or API keys, and can pay per call in USDC via x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:20:39.759Z","isFirstParty":false}