{"uid":"cap_7KY2w4S173ngUn9r_BbXA","slug":"mycelia-signal-eth-same-day-price-distribution-oracle-0fde42ad","name":"Mycelia Signal ETH Same-Day Price Distribution Oracle","description":"ETH same-day price distribution from Polymarket — median, quantiles (p10-p90), entropy — Ed25519 signed attestation","url":"https://api.myceliasignal.com/oracle/prediction/eth/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_4jFEri4-XZrTXM0G4wt9o","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 ETH same-day price distribution statistics (median, p10–p90 quantiles, entropy) derived from Polymarket prediction markets, delivered as an Ed25519-signed attestation","exampleAgentPrompt":"Can you pull today's ETH price distribution from the Polymarket prediction markets — I want the median, the p10–p90 quantile range, and the entropy score, all with a signed attestation so I can verify it's authentic?","exampleUseCases":[{"title":"ETH options strategy calibration","prompt":"I'm setting ETH options strikes for today's expiry — can you get me the Polymarket-derived price distribution for ETH including the median, p10, and p90 quantiles so I can calibrate my range?"},{"title":"Crypto trading bot uncertainty gate","prompt":"Before my bot places any ETH trade today, I want it to check the prediction market entropy on ETH price — if uncertainty is too high, it should hold. Can you fetch the signed ETH price distribution from Polymarket?"},{"title":"Verified ETH market signal for audit trail","prompt":"I need a cryptographically verifiable snapshot of where Polymarket thinks ETH will close today — median, quantiles, and entropy — with an Ed25519 signature so I can store it as a tamper-proof record."}],"resultDescription":"Returns a structured payload containing: the median ETH price implied by Polymarket same-day prediction markets, quantile estimates from p10 through p90 (showing the probability-weighted price range), a Shannon entropy value indicating market uncertainty, and the full dataset signed with an Ed25519 private key for cryptographic attestation and tamper-proofing.","failureModes":["Polymarket data unavailable or stale — may return error or degraded data if prediction market is illiquid","Payment of $0.25 USDC not received — returns 402 Payment Required","Ed25519 signing failure — signed attestation may be absent in edge cases","Market not yet open for the day — same-day distribution may be undefined early UTC","Network timeout — endpoint returns 5xx if upstream Polymarket feed is unreachable"],"whenToPreferThis":"Choose this endpoint when you need a probabilistic, crowd-sourced view of ETH's same-day price rather than a single spot price — especially when you need cryptographic attestation for auditability, want quantile-based uncertainty bounds (p10–p90) rather than a point estimate, or are building systems that must verify data provenance. Prefer this over raw exchange feeds when prediction market consensus and entropy/uncertainty metrics are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:56:23.661Z","isFirstParty":false}