{"uid":"cap_1cUOZ9XYyjOLYT_5FGKhQ","slug":"joe-market-data-polymarket-prediction-markets-16e6a1be","name":"Joe Market Data – Polymarket Prediction Markets","description":"Public-data market intel for AI agents: token prices (CoinGecko), DefiLlama TVL/fees/stables, Polymarket odds. Otto-compatible path names. $0.001 USDC per call on Base. No LLM/TTS/image.","url":"https://joe-market-data.marnick-yezo.workers.dev/pm-markets","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"data":{"count":25,"markets":[{"question":"Will X happen?","volume24hr":1000000}]},"meta":{"source":"polymarket","endpoint":"/pm-markets","cost_usdc":"0.001"},"status":"success"}},"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_DzOBTkOd9lMJKhD7LzZx3","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 live Polymarket prediction market questions, volumes, and odds for AI agents via a micropayment-gated endpoint.","exampleAgentPrompt":"Pull the current active Polymarket prediction markets for me — I want to see which questions are being traded and their 24-hour volumes.","exampleUseCases":[{"title":"Monitor top prediction market activity","prompt":"What are the most actively traded Polymarket questions right now, and how much volume have they done in the last 24 hours?"},{"title":"Crypto event probability research","prompt":"I'm researching what the market thinks about upcoming crypto events — can you pull the current Polymarket questions and their implied odds for me?"},{"title":"DeFi dashboard market sentiment feed","prompt":"Fetch me a list of live Polymarket prediction markets so I can display current event odds and volumes on my DeFi intelligence dashboard."}],"resultDescription":"A JSON object containing a list of active Polymarket prediction market questions with their 24-hour trading volume, a count of markets returned, the data source label ('polymarket'), the endpoint path, and the cost in USDC per call.","failureModes":["Payment not included or insufficient (402 Payment Required — must send 0.001 USDC on Base via x402)","No markets returned if Polymarket API is down or rate-limited upstream","Malformed or missing 'properties' query parameter may return empty or default result set","Upstream Polymarket outage may cause stale or missing data"],"whenToPreferThis":"Choose this endpoint when you need real-time Polymarket prediction market data (questions, volume, odds) without building your own Polymarket integration, and you are operating in an x402/Base micropayment-enabled agent environment. Prefer this over scraping Polymarket directly or using heavier aggregator APIs when low cost ($0.001/call) and Otto-compatible path naming matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:45:37.130Z","isFirstParty":false}