{"uid":"cap_P5Yj1vu49XsWreEN7obZU","slug":"polymarket-markets-feed-6bc15c05","name":"Polymarket Markets Feed","description":"Live Polymarket prediction markets ranked by volume, with implied probability, liquidity and end date. Optional free-text filter.","url":"https://mcp.gapup.io/api/v1/call/polymarket_markets?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"async":{"type":"boolean","description":"If true, returns a job_id immediately (<200ms) instead of waiting for the result. Poll the result with job_result(job_id). Use for slow tools to avoid client timeouts."},"limit":{"type":"integer","maximum":100,"minimum":1,"description":"Maximum markets (default 20)"},"query":{"type":"string","maxLength":200,"description":"Free-text filter on the market question"},"includeRaw":{"type":"boolean","description":"Include Polymarket's original fields (default false)"},"includeClosed":{"type":"boolean","description":"Include settled markets (default false)"}}},"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_xhMtakVNh114PcuMKUnjB","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":"Returns live Polymarket prediction markets ranked by volume, with implied probability, liquidity, and end date, with optional free-text filtering.","exampleAgentPrompt":"Show me the top 10 most active Polymarket prediction markets about AI — I want to see the implied probability and liquidity for each one.","exampleUseCases":[{"title":"Track election prediction odds","prompt":"Pull up the top 20 Polymarket markets about the 2024 US election, ranked by volume — I want to see the current implied probabilities."},{"title":"Research crypto market sentiment","prompt":"What are the most liquid Polymarket prediction markets related to Bitcoin or Ethereum right now? Show me the implied probability and end dates."},{"title":"Monitor Fed rate cut probability","prompt":"Find any Polymarket markets about Federal Reserve interest rate decisions and tell me what probability the market is pricing in."}],"resultDescription":"A ranked list of live Polymarket prediction markets including the market question, implied probability (%), current liquidity, trading volume, and end date. Optionally includes Polymarket's original raw fields. Markets are sorted by volume descending, filtered by the query string if provided.","failureModes":["No markets match the query filter — returns empty list","Polymarket API unavailable — upstream error returned","Limit parameter out of range (must be 1–100) — validation error","Rate limit exceeded due to high call frequency"],"whenToPreferThis":"Use this endpoint when you need real-time prediction market data from Polymarket specifically, including implied probabilities and liquidity ranked by volume. Prefer this over general news or sentiment APIs when you want crowd-sourced probabilistic forecasts on specific events. Best when you need filterable, structured market data rather than raw blockchain queries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T12:48:45.983Z","isFirstParty":false,"canonicalSlug":"polymarket-markets-feed-6bc15c05"}