{"uid":"cap_A0tLUt7ohmXIyYeTKZHbH","slug":"wickedapi-polymarket-prediction-markets-data-46be857d","name":"WickedAPI Polymarket Prediction Markets Data","description":"Polymarket prediction markets with live probabilities: question, per-outcome probability, 24h and total volume, liquidity, best bid/ask, one-day price change and end date. Top markets by volume, liquidity or soonest end, or free-text search.","url":"https://api.wickedapi.com/v1/polymarket?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":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_iIcuxluFqopEqi7BDz8aj","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":"Retrieves live Polymarket prediction market data including per-outcome probabilities, volume, liquidity, bid/ask spreads, price changes, and end dates — with filtering by top volume, liquidity, soonest end, or free-text search.","exampleAgentPrompt":"What are the top Polymarket prediction markets by volume right now — show me the question, current outcome probabilities, liquidity, and when each market ends?","exampleUseCases":[{"title":"Tracking election outcome probabilities","prompt":"What does Polymarket currently say the probability is for each major candidate winning the 2024 US presidential election? Show me the odds, 24h change, and how much volume has traded."},{"title":"Finding soon-expiring arbitrage opportunities","prompt":"Show me the Polymarket prediction markets that are closing soonest, along with their current probabilities, best bid and ask, and liquidity so I can spot any mispriced markets."},{"title":"Researching Fed rate cut sentiment","prompt":"Search Polymarket for prediction markets about Federal Reserve interest rate cuts — what are the current probabilities and how has the price changed in the last 24 hours?"}],"resultDescription":"Returns a list of Polymarket prediction market records, each containing the market question, per-outcome probability percentages, 24-hour and total trading volume, liquidity depth, best bid and ask prices, one-day price change, and the market's end/resolution date.","failureModes":["No markets found matching the search query — returns empty result set","Invalid sort parameter returns error or defaults to volume","Service unavailable or upstream Polymarket data outage — returns 5xx error","Rate limiting if called excessively — returns 429 error","Payment not processed correctly via x402 — returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need live Polymarket-specific prediction market data with rich detail including bid/ask spreads, liquidity metrics, and volume breakdowns. Prefer it over generic news or sentiment APIs when you need quantified, crowd-sourced probability estimates on real-world events with actual financial stakes. Ideal for agents doing event probability research, trading signal generation, or market monitoring on Polymarket.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T06:38:37.036Z","isFirstParty":false,"canonicalSlug":"wickedapi-polymarket-prediction-markets-data-46be857d"}