{"uid":"cap_qSLwpZAMX3-Sgm2Hsi6Wl","slug":"api-myceliasignal-com-9e254ad6","name":"MyceliaSignal USD/CHF Price Oracle","description":"USD/CHF forex exchange rate — US dollar to Swiss franc safe-haven rate — Ed25519 signed attestation","url":"https://api.myceliasignal.com/oracle/price/usd/chf","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":"USDCHF","pubkey":"f4f0e52b5f7b54831f965632bf1ebf72769beda4c4e3d36a593f7729ec812615","canonical":"v1|PRICE|USDCHF|0.78|CHF|2|frankfurter,kraken,norgesbank|median|1780029402|391129","signature":"d1fc9e56eb49ac6110041ae3da147a54813d5d54f7a97fcf8bd2f0ddd29acc9616693b4e60a9a1925a56f7e9b7574878200fa6f93166759b9d4e451eab4d2507","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_-9aLq12-X5-mYTNSEC5iJ","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 USD/CHF (US Dollar to Swiss Franc) exchange rate as a cryptographically signed Ed25519 attestation","exampleAgentPrompt":"What's the current USD/CHF exchange rate? I need a cryptographically signed attestation I can verify on-chain.","exampleUseCases":null,"resultDescription":"A signed price attestation containing the current USD/CHF exchange rate value along with an Ed25519 digital signature that allows downstream systems to verify the data's authenticity and integrity without trusting the transport layer.","failureModes":["Payment not included or invalid — returns HTTP 402 requiring $0.01 USDC via x402 protocol","Rate limit exceeded — too many requests in a short period","Upstream price feed temporarily unavailable — service may return 503 or stale data error","Invalid request format — if query params are malformed"],"whenToPreferThis":"Choose this endpoint when you need a cryptographically verifiable USD/CHF exchange rate — especially for smart contracts, on-chain applications, or any system that requires tamper-evident proof of a price at a given moment. Prefer over raw forex APIs when data integrity and non-repudiation matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T13:04:37.812Z","isFirstParty":false}