{"uid":"cap_kE41BrjisviFSZoBWZf6i","slug":"api-myceliasignal-com-79cc3168","name":"Mycelia Signal GBP/USD Price Oracle","description":"GBP/USD forex exchange rate — British pound to US dollar cable rate — Ed25519 signed attestation","url":"https://api.myceliasignal.com/oracle/price/gbp/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":"GBPUSD","pubkey":"f4f0e52b5f7b54831f965632bf1ebf72769beda4c4e3d36a593f7729ec812615","canonical":"v1|PRICE|GBPUSD|1.34|USD|2|bankofcanada,bitstamp,frankfurter,kraken,norgesbank|median|1780029924|128316","signature":"80bfacd2c13fb1fdcd96cc97b72f50319baeba4ff600542581690a355d7661fad474ce3e1850218de27abf756be70731bb795df267c3e49aefa09ccad16e7a04","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_RgfJmwW_gU4Ke964RDUB1","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 GBP/USD exchange rate as a cryptographically signed Ed25519 attestation","exampleAgentPrompt":"What's the current GBP/USD exchange rate? I need a cryptographically signed price attestation — one with an Ed25519 signature so I can verify it on-chain.","exampleUseCases":null,"resultDescription":"A signed oracle payload containing the current GBP/USD spot rate accompanied by an Ed25519 digital signature, allowing the consumer to cryptographically verify the authenticity and integrity of the quoted price.","failureModes":["Price feed unavailable or stale — service may return an error if upstream forex data cannot be fetched","Payment not received or invalid — x402 payment of $0.01 USDC required; missing or invalid payment returns 402","Rate limiting — excessive requests may be throttled","Signature verification failure — client should verify Ed25519 signature against Mycelia Signal's public key"],"whenToPreferThis":"Choose this endpoint when you need a cryptographically verifiable GBP/USD forex rate — particularly for smart contract inputs, DeFi protocols, or any use case requiring tamper-proof price attestation via Ed25519 signature. Prefer over unsigned REST forex APIs when on-chain verifiability or non-repudiation is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:54:38.085Z","isFirstParty":false}