{"uid":"cap_0dnKJfbHvkgx50NHk6P1m","slug":"mcpfax-polymarket-market-order-book-85be83c5","name":"MCPFax Polymarket Market & Order Book","description":"MCPFax markets — Polymarket market + order book (polymarket_market). Price: $0.002 USDC per call on Base.","url":"https://mcpfax-markets.bowling-anthony.workers.dev/polymarket/market","method":"GET","headers":{},"bodySchema":{"type":"object","$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"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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_ZZ_6apEA4TDC_KhBoaaVp","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 detailed Polymarket prediction market data and order book for a specific market by ID","exampleAgentPrompt":"Pull up the Polymarket order book and current odds for the 'Will the Fed cut rates in Q3 2025?' market — I want to see the best bids, asks, and how much liquidity is available.","exampleUseCases":[{"title":"Check odds before placing a bet","prompt":"What are the current yes/no prices and order book depth for the Polymarket market on whether Bitcoin will hit $150k by end of 2025? I want to see if there's enough liquidity before I trade."},{"title":"Monitor a prediction market in real time","prompt":"Keep an eye on the Polymarket market for the 2024 US presidential election outcome — give me the latest bid/ask spread and trading volume right now."},{"title":"Research market sentiment for a news event","prompt":"I'm writing about AI regulation — can you pull the Polymarket market data on 'Will the EU AI Act be enforced before 2026?' so I can see what traders think the probability is?"}],"resultDescription":"Returns detailed information about a specific Polymarket prediction market including market metadata (title, description, status, end date), outcome token prices, current order book with bids and asks at various price levels, trading volume, total liquidity, and market resolution status.","failureModes":["Invalid or unknown market ID returns an error or empty result","Market may be resolved/closed and no longer have an active order book","Rate limiting or payment failure if USDC balance is insufficient","Network timeout if Polymarket API is temporarily unavailable","Malformed request body returns a 400 error"],"whenToPreferThis":"Use this endpoint when you need granular, per-market detail about a specific Polymarket market including its live order book — as opposed to the polymarket_events endpoint which lists multiple events at once. Ideal when you already have a market ID or slug and need current prices, liquidity depth, and bid/ask data for trading decisions or analysis.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:57:27.340Z","isFirstParty":false}