{"uid":"cap_MYTLgLKQOkFn1B5ob7n91","slug":"polynews-news-e9942680","name":"polynews.news Price History","description":"Historical price data with configurable timeframes (1H/6H/1D/1W/1M/ALL)","url":"https://polynews.news/api/v1/price-history","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":{"range":{"type":"string"},"marketId":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"data":{"type":"object","properties":{"marketId":{"type":"string"},"outcomes":{"type":"array","items":{"type":"object","properties":{"history":{"type":"array","items":{"type":"object","properties":{"price":{"type":"number","description":"Price as percentage (0-100)"},"timestamp":{"type":"number","description":"Unix ms"}}}},"outcomeId":{"type":"string"},"outcomeName":{"type":"string"}}},"description":"Per-outcome price series (top outcomes by price)"}}}}}}}}},"responseSchema":{"type":"json","example":{"data":{"range":"1D","history":[{"p":0.68,"t":1747008000},{"p":0.71,"t":1747011600},{"p":0.72,"t":1747015200}],"marketId":"69317"},"meta":{"tier":"standard","version":"v1","endpoint":"/api/v1/price-history","latencyMs":240,"timestamp":"2026-05-12T04:30:00.000Z"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_YuF-yZIkBN07a-fjZZPHM","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns historical price data for a Polymarket prediction market with configurable timeframes (1H, 6H, 1D, 1W, 1M, ALL)","exampleAgentPrompt":"Can you pull the 1-week price history for Polymarket market ID 'will-trump-win-2024' so I can see how the probability has moved over time?","exampleUseCases":[{"title":"Chart monthly probability trend","prompt":"Can you fetch the 1-month price history for the Polymarket market 'will-fed-cut-rates-in-december' so I can plot how the probability has shifted over the past few weeks?"},{"title":"Analyze hourly price movements","prompt":"Pull the last hour of price data for Polymarket market ID 'will-spacex-launch-starship-2024' — I want to see if there were any sharp probability swings in the past hour."},{"title":"Review all-time market history","prompt":"Can you grab the all-time price series for the Polymarket market 'will-ukraine-join-nato' so I can see how the probability has evolved since the market opened?"}],"resultDescription":"An array of price-timestamp pairs where each entry contains a Unix timestamp (t) and a probability price between 0 and 1 (p), along with the range label used for the query. Suitable for charting or time-series analysis of prediction market probability movements.","failureModes":["Invalid or unknown marketId returns empty or error response","Unsupported range value may return error or default behavior","Market has no historical data for the requested range","Rate limiting or payment failure (x402) if USDC payment not processed","Network timeout for markets with very large histories"],"whenToPreferThis":"Use this endpoint when you need raw historical price/probability data for a specific Polymarket prediction market to chart trends, analyze price movements, or feed into further analysis. Prefer this over the catalyst analysis endpoint when you want the underlying data series rather than an AI-generated explanation of price movements.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:41:43.513Z","isFirstParty":false}