{"uid":"cap_uSsCbx2OIcQiz1Jqzdtdf","slug":"degenscan-intel-polymarket-top-markets-90c2b9a2","name":"Degenscan Intel – Polymarket Top Markets","description":"Cross-asset market event intelligence for AI trading agents. Priced routes return HTTP 402 with x402 v2 payment requirements (USDC on Base) unless X-API-KEY is sent or the free trial header X-Free-Trial: 1 is present (100 calls/day/IP). Information and analytics only — not investment advice.","url":"https://intel.degenscan.io/v1/polymarket/top?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":{"tag":{"type":"string"},"sort":{"type":"string"},"limit":{"type":"number"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"count":20,"markets":[{"question":"Fed rate cut in October?","yes_prob":0.62,"change_24h":0.03,"volume_24h_usd":1250000}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_yJVP7GzJfPn8kMXCiErtL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the most active Polymarket prediction markets with YES odds, 24h change, volume, liquidity, end date, and a primary-source evidence pack link, sortable by volume, liquidity, or 24h change with optional tag filtering.","exampleAgentPrompt":"Show me the top 10 Polymarket prediction markets right now sorted by 24h volume, and filter to just crypto markets so I can see where traders are most active and what the current YES odds are.","exampleUseCases":[{"title":"Crypto prediction market pulse check","prompt":"Pull up the top 20 most actively traded crypto markets on Polymarket sorted by 24h volume and tell me the current YES odds and how much they've moved in the last day."},{"title":"Fed policy market monitoring","prompt":"Which Polymarket markets tagged as 'fed' have seen the biggest swings in YES probability in the last 24 hours? Sort by 24h change and show me the evidence links."},{"title":"Pre-trade political market scan","prompt":"Give me the top 15 Polymarket political markets right now sorted by liquidity — I want to see which ones have deep enough markets to trade and what their current YES odds look like."}],"resultDescription":"A JSON array of top Polymarket markets (up to the requested limit), each containing: market question text, current YES probability, 24-hour probability change, 24-hour USD volume, liquidity, market end date, and a URL to a primary-source evidence pack. Includes a count of total markets returned.","failureModes":["Invalid sort parameter returns an error or defaults silently","Unknown tag value may return empty results","Network or 402 payment failure prevents data retrieval","Stale data if Polymarket API is lagging","Limit exceeding maximum may be capped or rejected"],"whenToPreferThis":"Choose this endpoint when you need a ranked, real-time snapshot of the hottest Polymarket prediction markets with structured probability data and evidence links — especially for agents doing pre-trade research, market monitoring, or building dashboards. Prefer this over generic web scraping or manual Polymarket browsing when you need machine-readable odds, volume, and liquidity data in a single call with optional category filtering.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:46:26.925Z","isFirstParty":false,"canonicalSlug":"degenscan-intel-polymarket-top-markets-90c2b9a2"}