{"uid":"cap_Pl1m1AeygyZff1CFLMMUU","slug":"fiatdock-polymarket-prediction-markets-feed-99020109","name":"FiatDock Polymarket Prediction Markets Feed","description":"Live Polymarket markets: each outcome's price (the market's implied probability), 24h and total volume, liquidity, closing date and link. Search by topic (bitcoin, fed rates, election…) or send {} for the markets with the most 24h volume. A search with no open market is 404 and not charged. Pay-per-call via x402.","url":"https://fiatdock.com/v1/markets/prediction?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","required":[],"properties":{"limit":{"type":"integer","example":10,"maximum":50,"minimum":1,"description":"How many markets, 1-50, default 10"},"query":{"type":"string","example":"bitcoin","maxLength":120,"description":"What to look for (e.g. bitcoin, fed rates, election). Omit for the markets with the most 24h volume"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0045","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":"$0.0045/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0045","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0045","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_dfjkdZ2HZutMbpFURdSqI","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0045","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 market data — outcome prices (implied probabilities), 24h and total volume, liquidity, closing dates, and links — searchable by topic or ranked by 24h volume.","exampleAgentPrompt":"Pull the top 5 Polymarket prediction markets about bitcoin right now — I want to see the current implied probabilities, 24h volume, and when they close.","exampleUseCases":[{"title":"Election odds research","prompt":"What are the current Polymarket odds on the US presidential election? Show me the top 5 markets by 24h volume with their implied probabilities and closing dates."},{"title":"Fed rate decision tracking","prompt":"Find me open Polymarket prediction markets about Fed interest rate decisions — I want to see the implied probabilities and how liquid those markets are."},{"title":"Top active markets dashboard","prompt":"Give me the 10 most traded Polymarket markets in the last 24 hours — whatever topics are hottest — with their outcome prices and total volume."}],"resultDescription":"A list of open Polymarket markets matching the query (or top by 24h volume if no query), each including: outcome names with their current prices (implied probabilities 0–1), 24h volume, total volume, available liquidity, market closing/resolution date, and a direct link to the market on Polymarket.","failureModes":["404 returned (and not charged) when a search query matches no open Polymarket markets","Query too long (>120 characters) returns a validation error","Limit out of range (not 1–50) returns a validation error","Payment failure via x402 if USDC balance is insufficient","Polymarket data temporarily unavailable causing upstream errors"],"whenToPreferThis":"Choose this endpoint when you need real-time Polymarket prediction market data — current implied probabilities, volume, and liquidity — for any topic. Ideal for agents doing event probability research, market sentiment analysis, or tracking what traders are betting on. Prefer this over general news APIs when you want crowd-sourced probability estimates with financial skin in the game. The 404-is-free guarantee makes broad topic searches risk-free.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:41:54.614Z","isFirstParty":false,"canonicalSlug":"fiatdock-polymarket-prediction-markets-feed-99020109"}