{"uid":"cap_fsB3gDYtafMum7ktgdQAM","slug":"lumen-agent-utilities-polymarket-prediction-market-data-56886d79","name":"Lumen Agent Utilities – Polymarket Prediction Market Data","description":"Read-only Polymarket prediction-market data: search by {query} or top active markets by 24h volume. Returns question, outcomes with implied probabilities, 24h/total volume, liquidity, end date, URL. …","url":"https://lumenworks-x402-decoder.onrender.com/v1/polymarket/markets?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"note":"Top active markets by 24h volume. Read-only data; not financial advice.","query":null,"source":"Polymarket Gamma API","markets":[{"url":"https://polymarket.com/market/dota2-ty-ts8-2026-10-10-game2","slug":"dota2-ty-ts8-2026-10-10-game2","active":true,"closed":false,"endDate":"2026-10-10T14:30:00Z","outcomes":[{"outcome":"Team Yandex","probability":0.987},{"outcome":"Team Spirit","probability":0.013}],"question":"Dota 2: Team Yandex vs Team Spirit - Game 2 Winner","liquidity":94999.5371,"volume24h":1246835.994284999,"volumeTotal":1242546.046738001},{"url":"https://polymarket.com/market/will-luiz-incio-lula-da-silva-win-the-2026-brazilian-presidential-election","slug":"will-luiz-incio-lula-da-silva-win-the-2026-brazilian-presidential-election","active":true,"closed":false,"endDate":"2026-10-05T03:59:00Z","outcomes":[{"outcome":"Yes","probability":0.115},{"outcome":"No","probability":0.885}],"question":"Will Luiz Inácio Lula da Silva win the 2026 Brazilian presidential election?","liquidity":1469356.5492,"volume24h":894261.5656739997,"volumeTotal":21990309.847675}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_5kQ8Dh8lTc4DNJSUGgS7P","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches read-only Polymarket prediction market data, either by keyword search or top markets ranked by 24-hour trading volume, returning questions, outcome probabilities, volume, liquidity, and end dates.","exampleAgentPrompt":"What are the top prediction markets on Polymarket right now by 24-hour volume, and what are the current implied probabilities for each outcome?","exampleUseCases":[{"title":"Political election probability lookup","prompt":"Search Polymarket for markets about the 2026 Brazilian presidential election and tell me what the current crowd-sourced odds are for each candidate winning."},{"title":"Top active markets dashboard","prompt":"Pull up the most actively traded Polymarket markets from the last 24 hours and summarize the questions, outcomes, and probabilities for me."},{"title":"Sports event outcome odds","prompt":"Find Polymarket prediction markets for the Dota 2 Ti tournament and show me the current win probabilities for each team matchup."}],"resultDescription":"A JSON object containing a list of prediction markets, each with the market question, active/closed status, end date, list of outcomes with implied probabilities, 24-hour volume, total volume, liquidity, market URL, and slug. Also includes the data source attribution and the query used.","failureModes":["No markets found matching the search query — returns empty markets array","Polymarket Gamma API upstream outage — may return an error or empty response","Malformed or overly broad query returning irrelevant markets","Payment not fulfilled — 402 response requiring x402 micropayment","Rate limiting or network timeout from the upstream Polymarket API"],"whenToPreferThis":"Use this endpoint when you need live, read-only Polymarket prediction market data including implied probabilities, liquidity, and volume rankings. Prefer it over manually scraping Polymarket or using general web search when you need structured, machine-readable probability data for specific events or want to surface the most actively traded markets. Ideal for agents doing financial research, political analysis, sports forecasting, or any scenario requiring crowd-sourced probability estimates.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:47:09.403Z","isFirstParty":false,"canonicalSlug":"lumen-agent-utilities-polymarket-prediction-market-data-56886d79"}