{"uid":"cap_0MXdk8oIQkmn-qXbRFH4K","slug":"polymarket-prediction-markets-feed-bea7ff66","name":"Polymarket Prediction Markets Feed","description":"Live real-money prediction-market odds from Polymarket: top markets by 24h volume with implied probabilities, price moves, dollar volume, and liquidity. Search by keyword (bitcoin, election, fed, world cup, AI). For trading, forecasting, news, and event-resolution agents — one paid call instead of integrating the exchange API yourself.","url":"https://store.agentexchange.work/markets/prediction?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","properties":{"q":{"type":"string","description":"Keyword filter, e.g. bitcoin, election, fed, world cup"},"top":{"type":"number","description":"1-25, default 10"},"sort":{"type":"string","description":"volume|liquidity, default volume"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"count":{"type":"number"},"markets":{"type":"array"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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_P3m2XSbtv3hfsI6ZfxnE0","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 live prediction market listings from Polymarket, filterable by keyword, sortable by volume or liquidity, returning implied probabilities and trading data.","exampleAgentPrompt":"Show me the top 10 Polymarket prediction markets about Bitcoin right now, sorted by volume — I want to see the implied yes probabilities and how much has traded in the last 24 hours.","exampleUseCases":null,"resultDescription":"Returns a JSON array of prediction market objects, each with a question string, end date, 24-hour trading volume, implied yes probability (as a decimal), and source attribution (e.g. 'polymarket'), plus a total count of results.","failureModes":["No markets found matching keyword — returns empty markets array with count 0","Invalid sort value — may return default sort behavior or 400 error","top parameter out of range (>25 or <1) — may be clamped or rejected","Payment failure — 402 response if USDC balance insufficient or x402 header missing","Upstream Polymarket data unavailable — 500 or timeout"],"whenToPreferThis":"Use this endpoint when an agent needs real-time crowd-sourced probability estimates for future events, especially crypto price targets, political outcomes, or macro economic events sourced from Polymarket. Prefer over general news or sentiment APIs when you need a numeric probability and trading volume as a signal of conviction. Ideal for agents doing research, summarizing market sentiment, or informing decisions with prediction market data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:39:31.184Z","isFirstParty":false,"canonicalSlug":"polymarket-prediction-markets-feed-bea7ff66"}