{"uid":"cap_odd6dA8Pj7uyWCvWilP4Z","slug":"mycelia-signal-btc-same-day-price-distribution-polymarket-5aee15af","name":"Mycelia Signal BTC Same-Day Price Distribution (Polymarket)","description":"BTC same-day price distribution from Polymarket — median, quantiles (p10-p90), entropy — Ed25519 signed attestation","url":"https://api.myceliasignal.com/oracle/prediction/btc/price","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":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_rPdY4yMzuH1KC4yKVg1py","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the same-day BTC price distribution derived from Polymarket prediction markets, including median, quantiles (p10–p90), and entropy, delivered as an Ed25519-signed attestation.","exampleAgentPrompt":"What does Polymarket's prediction market say about today's Bitcoin price distribution — give me the median, the p10 to p90 quantile range, and the entropy, with a signed attestation I can verify?","exampleUseCases":[{"title":"Crypto trading bot risk calibration","prompt":"Pull today's BTC price distribution from Polymarket — I need the median, quantiles from p10 to p90, and entropy so my trading bot can calibrate position sizing based on crowd-implied uncertainty."},{"title":"On-chain oracle data verification","prompt":"I need a cryptographically signed BTC price distribution attestation for today, with the median and full quantile spread, so I can verify it on-chain before using it in a smart contract."},{"title":"Bitcoin volatility dashboard update","prompt":"Fetch the current Polymarket-derived BTC price distribution — median, p10 through p90 quantiles, and entropy — so I can update my Bitcoin volatility dashboard with today's crowd-sourced range."}],"resultDescription":"Returns a JSON payload containing today's BTC same-day price distribution derived from Polymarket prediction markets, including the median price, quantile values from p10 to p90, and an entropy score reflecting market uncertainty. The entire response is signed with an Ed25519 key, enabling downstream cryptographic verification of the data's authenticity and provenance.","failureModes":["Polymarket data unavailable or stale — may return an error or outdated distribution","Payment failure — $0.25 USDC not received, returns 402 Payment Required","Invalid or missing x402 payment header — request rejected","Ed25519 signing key unavailable — attestation cannot be generated","Rate limiting or server overload — transient 5xx error"],"whenToPreferThis":"Choose this endpoint when you need a crowd-sourced, prediction-market-derived BTC price distribution (not just a spot price) with quantile granularity and cryptographic attestation. It is uniquely suited for use cases requiring verifiable, entropy-annotated price uncertainty data — such as on-chain oracles, risk models, or dashboards that need a tamper-evident signed payload rather than a raw exchange feed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:56:45.384Z","isFirstParty":false}