{"uid":"cap_51dTxaf8HxS-CMzszrgQP","slug":"synthora-prediction-market-odds-dd07d28c","name":"SYNTHORA Prediction Market Odds","description":"Real-time prediction-market odds and liquidity from Polymarket for any topic (elections, crypto, macro). For forecasting and hedging agents. Free source. $0.001 USDC via x402 on Base. SYNTHORA.","url":"https://prediction-markets.hergertsynthora.com/service","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"integer","description":"max markets to return (1-50, default 10)"},"source":{"enum":["all","polymarket","kalshi"],"type":"string","description":"exchange filter"},"min_liquidity":{"type":"number","description":"minimum liquidity in USD (default 1000)"}}},"responseSchema":{"type":"json","example":{"ok":true,"niche":"prediction_markets","result":{"count":1,"source":"all","markets":[{"id":"559651","spread":0.01,"end_date":"2026-12-31T00:00:00Z","exchange":"polymarket","question":"Xi Jinping out before 2027?","volume_usd":1234567.89,"liquidity_usd":278050.28,"probability_yes":0.05}],"freshness_utc":"2026-08-07T12:00:00Z","total_liquidity_usd":278050.28}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_uzB-jv7JnjBb5OY3gpMmu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches real-time prediction-market odds and liquidity data from Polymarket for any topic including elections, crypto, and macroeconomics","exampleAgentPrompt":"Pull the top 10 open Polymarket prediction markets right now — I want to see current odds and liquidity for anything related to crypto or macro.","exampleUseCases":[{"title":"Election probability monitoring","prompt":"What are the current Polymarket odds for the US 2024 presidential election? Show me the top 5 most-traded markets and their probabilities."},{"title":"Crypto price forecast hedging","prompt":"I want to hedge my ETH position — can you pull the latest Polymarket odds on ETH price milestones and tell me how liquid those markets are?"},{"title":"Macro event forecasting","prompt":"Get me the top 10 open prediction markets on Polymarket about Fed rate decisions or a US recession so I can see what the crowd is pricing in right now."}],"resultDescription":"Returns a JSON object with an 'ok' status flag, a 'niche' identifier ('prediction-markets'), and a 'result' object containing real-time market odds, probabilities, and liquidity data from Polymarket for the queried topics, filtered and limited per the input parameters.","failureModes":["Empty result set if no markets match the closed/open filter","Polymarket API unavailability causing stale or missing data","Invalid 'closed' parameter value returning an error","Exceeding rate limits resulting in payment or quota errors","Network timeout if Polymarket upstream is slow"],"whenToPreferThis":"Use this endpoint when you need real-time crowd-sourced probability estimates from Polymarket's prediction markets — especially for elections, crypto price targets, or macro events. Prefer this over news sentiment APIs when you want market-priced probabilities with liquidity signals rather than qualitative sentiment. Ideal for forecasting and hedging agents that need quantitative probability data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:37:58.876Z","isFirstParty":false}