{"uid":"cap_37HRG_NKCmew-XX3InRph","slug":"api-myceliasignal-com-072f0fd6","name":"Mycelia Signal USDC/USD Peg Oracle","description":"USDC stablecoin peg monitor — real-time Circle USDC deviation from $1.00 USD — Ed25519 signed attestation","url":"https://api.myceliasignal.com/oracle/price/usdc/usd","method":"GET","headers":{},"bodySchema":{"type":"object","$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":{"request":{"input":{"type":"http","method":"GET","queryParams":{}}},"response":{"domain":"USDCUSD","pubkey":"f4f0e52b5f7b54831f965632bf1ebf72769beda4c4e3d36a593f7729ec812615","canonical":"v1|PRICE|USDCUSD|1.00000|USD|5|binance,bitstamp,gemini,kraken|median|1780028779|145222","signature":"abec732fd8c14f500a339bb6ec32d639b9720a05135f1a8087816e5c722da05d5a1c0e36c134740a67d1e0313878b476829d2478de9f89307386c39f17dd5b02","signingScheme":"ed25519"}},"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_fWkks_1Oox1N4qRIOOKtv","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a cryptographically signed Ed25519 attestation of the current USDC/USD peg price from the Mycelia Signal oracle","exampleAgentPrompt":"Can you get me a signed oracle attestation of the current USDC/USD peg price — I need the Ed25519-verified price to confirm whether USDC is holding its dollar peg right now.","exampleUseCases":null,"resultDescription":"Returns a signed oracle attestation containing the current USDC/USD price (expected near 1.0000), an Ed25519 cryptographic signature for verification, and a timestamp. The signature allows downstream consumers to verify the price data was produced by the Mycelia Signal oracle without trusting the transport layer.","failureModes":["Payment not included or invalid x402 payment header — 402 Payment Required response","Oracle data temporarily unavailable — 503 Service Unavailable","Invalid or expired payment — 402 with payment details","Network timeout — connection error before response"],"whenToPreferThis":"Use this endpoint when you need a cryptographically verifiable, signed price attestation for USDC/USD — particularly useful for DeFi applications, smart contract triggers, or any workflow requiring provable stablecoin peg data rather than a raw unsigned price. Prefer over unsigned feeds when auditability or on-chain verification is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:55:53.219Z","isFirstParty":false}