{"uid":"cap_rCG51FWqEukMJt_rZAuIK","slug":"prediction-market-detail-f77534b7","name":"Prediction Market Detail","description":"A single prediction market's current odds, volume, and close date by exact ID -- from Polymarket (slug) or Kalshi (ticker), whichever you pass as `source`. Pairs with /prediction-markets: search there first to find an ID, then re-fetch it here for the freshest odds without re-searching. $0.01/call.","url":"https://www.x402financialdata.com/prediction-market/:source/:market_id","method":"GET","headers":{},"bodySchema":{"type":"object","$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","HEAD","DELETE"],"type":"string"},"pathParams":{"type":"object","required":["source","market_id"],"properties":{"source":{"enum":["polymarket","kalshi"],"type":"string","description":"Which venue the market_id belongs to."},"market_id":{"type":"string","description":"Polymarket slug (e.g. 'fed-rate-hike-in-2026') or Kalshi ticker (e.g. 'KXFEDDECISION-27DEC-H26')."}}},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_JX7FUMSCAkW-YEBk_xHk8","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches current odds, volume, and close date for a single prediction market by exact ID from Polymarket or Kalshi","exampleAgentPrompt":"Pull the latest odds and volume for the Polymarket market 'fed-rate-hike-in-2026' — I want to see the current probability and how much has been traded.","exampleUseCases":[{"title":"Track Fed rate decision odds","prompt":"What are the current odds on the Kalshi market KXFEDDECISION-27DEC-H26? I want the latest probability and close date."},{"title":"Monitor election prediction market","prompt":"Fetch the freshest odds and volume for the Polymarket market 'us-presidential-election-winner-2024' — I need to know the current yes probability."},{"title":"Pre-trade odds check","prompt":"I found a Kalshi ticker earlier — KXBITCOIN-25JAN-50K — can you pull the current odds and how much volume it has before I decide whether to trade?"}],"resultDescription":"Returns the current odds (probabilities for each outcome), total trading volume, market close date, and other details for the specified prediction market from either Polymarket (by slug) or Kalshi (by ticker).","failureModes":["Invalid or unknown market_id returns a 404 or error response","Wrong source enum for the given ID (e.g. passing a Kalshi ticker with source=polymarket) returns no data or error","Market has closed and data may be stale or unavailable","Network/API downtime from underlying Polymarket or Kalshi data feeds","Malformed slug or ticker format causes a bad request error"],"whenToPreferThis":"Use this endpoint when you already have a specific Polymarket slug or Kalshi ticker and need the freshest odds without re-running a search. Prefer this over the search endpoint when you want to avoid paying for search again or need a quick real-time refresh of a known market's data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:57:15.915Z","isFirstParty":false}