{"uid":"cap_YoSJc3zSKSTGgwCuXA8Lj","slug":"prediction-intel-polymarket-history-0c1cffe6","name":"prediction-intel Polymarket History","description":"Pay-per-call crypto/web3 data for AI agents. USDC via x402 on Base.","url":"https://prediction-intel-tan.vercel.app/api/history","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"tokenId":{"type":"string","description":"clobTokenId of an outcome."},"fidelity":{"type":"number","description":"Resolution in minutes (default 60)."},"interval":{"type":"string","description":"1m,1h,6h,1d,1w,max (default 1d)."}}},"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_FFob2MYZGBN0PJX5UGWvY","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 historical price/probability time-series data for a specific Polymarket prediction market outcome token","exampleAgentPrompt":"Pull the price history for Polymarket outcome token 12345678 over the last week at hourly resolution so I can see how the probability has shifted.","exampleUseCases":null,"resultDescription":"Returns a time-series of historical price/probability data points for the specified Polymarket outcome token, with granularity controlled by the fidelity (minutes per point) and interval (time window) parameters.","failureModes":["Invalid or unknown clobTokenId returns an error or empty data","Unsupported interval value results in a 400 bad request","Service unavailable if Polymarket CLOB API is down","Payment failure if insufficient USDC balance on Base for the $0.008 per-call fee","Very narrow fidelity on a long interval may return too many data points or timeout"],"whenToPreferThis":"Use this endpoint when you need historical probability or price time-series data for a specific Polymarket prediction market outcome, particularly when building charts, backtesting strategies, or analyzing how market sentiment evolved over time. Prefer this over live/current-price endpoints when trend analysis or historical context is needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:38:46.388Z","isFirstParty":false}