{"uid":"cap_7VnbZ-Rbt7mYLQk_pLZXv","slug":"prediction-intel-polymarket-markets-feed-a486b68c","name":"prediction-intel Polymarket Markets Feed","description":"Pay-per-call crypto/web3 data for AI agents. USDC via x402 on Base.","url":"https://prediction-intel-tan.vercel.app/api/markets","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"tag":{"type":"string","description":"Tag slug filter e.g. crypto, politics, sports, bitcoin."},"limit":{"type":"number","description":"Max markets (1-50, default 20)."},"order":{"type":"string","description":"Sort field, default volume24hr."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.008","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":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_A9NCPwbms-pitT5Mibk5r","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","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 listings filtered by tag, limit, and sort order for AI agent consumption","exampleAgentPrompt":"Pull the top 10 Polymarket prediction markets tagged 'crypto', sorted by 24-hour volume, so I can see where the action is right now.","exampleUseCases":null,"resultDescription":"A list of up to 50 Polymarket prediction markets including market names, current odds, 24-hour trading volume, tags, and other metadata relevant for analysis or display.","failureModes":["Invalid tag slug returns empty results or error","Limit out of range (outside 1-50) may return error or default","Payment failure due to insufficient USDC balance on Base returns 402","Unavailable upstream Polymarket data may cause timeout or 503","Invalid sort field may default or return error"],"whenToPreferThis":"Use this endpoint when you need real-time Polymarket prediction market data for AI agents, especially when you want to filter by topic (crypto, politics, sports), control result count, and sort by trading activity. Prefer this over manual Polymarket scraping or general search when you need structured, pay-per-call data payable in USDC via x402 on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:33:06.929Z","isFirstParty":false}