{"uid":"cap_kgV9mxLyqcusc3JZz2c8v","slug":"api-myceliasignal-com-823a58fa","name":"MyceliaSignal EUR/CNY Oracle","description":"EUR/CNY forex exchange rate — euro to Chinese yuan — Ed25519 signed attestation","url":"https://api.myceliasignal.com/oracle/price/eur/cny","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":"EURCNY","pubkey":"f4f0e52b5f7b54831f965632bf1ebf72769beda4c4e3d36a593f7729ec812615","canonical":"v1|PRICE|EURCNY|7.88|CNY|2|ecbdirect,frankfurter|median|1780030156|853537","signature":"3d16feb672d6af083bc86a61132068298746b1905be6d5d4ca337e9a662a1f647b0686079de84c28a0333987dd6e6e20cc95feb37f02aa08bb4987b647f8ad0d","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_4xW2lKzFTFXPfp9i8lFZ_","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 EUR/CNY exchange rate","exampleAgentPrompt":"What's the current EUR/CNY exchange rate? I need a cryptographically signed oracle attestation I can trust for a smart contract or on-chain verification.","exampleUseCases":[{"title":"DeFi protocol settlement verification","prompt":"I'm executing a cross-chain EUR to CNY swap on our DeFi protocol. Can you fetch me a cryptographically signed EUR/CNY rate right now that I can embed as proof into the smart contract transaction?"},{"title":"Compliance audit trail for forex trades","prompt":"We need to document all our EUR/CNY foreign exchange trades with tamper-proof price attestations for regulatory compliance. Can you pull the signed exchange rate for each transaction so we have verifiable proof of the rates we traded at?"},{"title":"Real-time settlement in blockchain treasury","prompt":"Our treasury is executing an automated EUR to CNY payment on-chain. Pull the latest Ed25519 signed exchange rate so the smart contract can settle with a verified, cryptographically attested price that can't be disputed later."}],"resultDescription":"Returns the current EUR to CNY exchange rate as a signed oracle attestation — includes the price value, timestamp, and an Ed25519 cryptographic signature that verifies the data has not been tampered with.","failureModes":["Payment required (402) if x402 USDC payment is not included","Rate unavailable if upstream forex data source is down","Invalid or expired signature if server-side key rotation occurs","Network timeout if the oracle service is temporarily unreachable"],"whenToPreferThis":"Use this endpoint when you need a cryptographically verifiable, tamper-proof EUR/CNY exchange rate — especially for on-chain smart contracts, DeFi protocols, or any application requiring an Ed25519-attested price oracle rather than a plain unauthenticated API response.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T13:03:31.886Z","isFirstParty":false}