{"uid":"cap_8LlXVC4OCBjUjS_8bFMRT","slug":"api-myceliasignal-com-8e9e0891","name":"Mycelia Signal ETH/JPY Spot Price Oracle","description":"Real-time Ethereum price in JPY, multi-exchange aggregated oracle for Japanese markets — Ed25519 signed attestation","url":"https://api.myceliasignal.com/oracle/price/eth/jpy","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":"ETHJPY","pubkey":"f4f0e52b5f7b54831f965632bf1ebf72769beda4c4e3d36a593f7729ec812615","canonical":"v1|PRICE|ETHJPY|319561|JPY|0|bitbank,bitflyer,coincheck,gmo|median|1780029553|563897","signature":"ecbf2dafec86c21e6aa69a648f24a6f7cd7aaef58977c00243b12923c98b2641a324ae75df5b907de55b867a8ca998f3fc4353232a26db20b8736a59ce8ab701","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_JM5S-yR9TQ7Hsi_jA6Q9q","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 the current ETH/JPY spot price as an Ed25519-signed cryptographic attestation","exampleAgentPrompt":"What's the current ETH/JPY spot price? I need a cryptographically signed attestation I can verify on-chain.","exampleUseCases":[{"title":"Smart contract DeFi collateral valuation","prompt":"I need to get the latest ETH price in Japanese yen with a cryptographic signature so I can verify it on-chain before processing a collateral deposit in our DeFi protocol."},{"title":"Japanese exchange settlement verification","prompt":"Can you fetch me a signed ETH/JPY price attestation right now? I want to verify the exchange rate independently before settling a large trade with our Japanese counterparty."},{"title":"Tamper-proof trading system oracle","prompt":"Pull the current Ethereum to yen price with a cryptographically signed verification so I can confirm the data hasn't been tampered with in our trading system."}],"resultDescription":"A JSON response containing the current ETH/JPY spot price along with an Ed25519 digital signature attesting to its authenticity, enabling trustless verification of the price data by any party with the public key.","failureModes":["Price feed temporarily unavailable (503 Service Unavailable)","Payment not provided or insufficient (402 Payment Required — must pay $0.01 USDC via x402 protocol)","Invalid or expired payment (402 with payment error details)","Rate limit exceeded (429 Too Many Requests)","Network or upstream data source outage leading to stale or missing price data"],"whenToPreferThis":"Choose this endpoint when you need a cryptographically verifiable ETH/JPY price with an Ed25519 signature for use in smart contracts, DeFi protocols, or any system requiring tamper-proof price attestation. Prefer over generic price APIs when the consumer needs to independently verify the data source's authenticity or integrate with on-chain oracle systems.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:59:28.276Z","isFirstParty":false}