{"uid":"cap_U6rYV112ckZcBrQtPWk4s","slug":"oyapicks-prediction-market-probability-history-8a17608e","name":"OyaPicks Prediction Market Probability History","description":"OyaPicks: a prediction market's probability (price) over time","url":"https://oyapicks.app/api/x402/probability-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"},"pathParams":{"type":"object"},"queryParams":{"type":"object","required":["q"],"properties":{"q":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"disclaimer":"Informational only. Not financial advice."}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_-NIx-4TIo4ENcEJ64InVu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the historical probability (price) trajectory of a specific OyaPicks prediction market over time","exampleAgentPrompt":"Can you pull up the probability history for the OyaPicks market on whether the Fed will cut rates in Q3 — I want to see how the odds have moved over time?","exampleUseCases":[{"title":"Track election outcome odds shift","prompt":"Can you show me how the probability has changed over time for the OyaPicks market on the next presidential election winner? I want to see if there were any big swings after the debate."},{"title":"Chart crypto price prediction trend","prompt":"Pull up the full probability history for the OyaPicks market on Bitcoin hitting $100k by year-end — I'm curious how the odds have moved over the past few months."},{"title":"Audit market odds after news","prompt":"I want to see how the OyaPicks market probability evolved for the tech company merger deal — specifically whether the odds shifted right after the regulatory announcement last week."}],"resultDescription":"A time-series of probability values (prices) for the specified prediction market, showing how the market's implied probability has changed over time, including timestamps and corresponding probability percentages.","failureModes":["Market identifier not found — returns error if the specified market does not exist","Invalid or missing market ID parameter — returns 400-level error","Market too new — insufficient history to return meaningful time-series data","Payment failure — x402 payment of $0.03 USDC not processed, returns 402","Rate limiting if too many requests in a short window"],"whenToPreferThis":"Use this endpoint when you need to understand how a prediction market's probability has evolved over time — ideal for trend analysis, charting price movement, detecting momentum shifts, or auditing a market's history. Prefer this over the movers or volume-spike endpoints when you already know the specific market you care about and want its full probability timeline rather than a ranked list.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:30:48.936Z","isFirstParty":false}