{"uid":"cap_JtGZzwZvPUBmmPxEGgh8E","slug":"api-myceliasignal-com-23b65278","name":"MyceliaSignal USD/CAD Price Oracle","description":"USD/CAD forex exchange rate — US dollar to Canadian dollar loonie rate — Ed25519 signed attestation","url":"https://api.myceliasignal.com/oracle/price/usd/cad","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":"USDCAD","pubkey":"f4f0e52b5f7b54831f965632bf1ebf72769beda4c4e3d36a593f7729ec812615","canonical":"v1|PRICE|USDCAD|1.38|CAD|2|bankofcanada,frankfurter,kraken,norgesbank|median|1780095814|661616","signature":"94c1b6475f49bcb370c5b7379fc1892ee3d2e42ee2c5d699a54eafae25aa9e80b8beda72df670ee8632d6dfb3c9e6643a842d80eb59e1bd88572a8493fdb0b02","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_6v4RUch28O1_RG_naxfjz","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/CAD exchange rate as an Ed25519-signed price attestation","exampleAgentPrompt":"What's the current USD to Canadian dollar exchange rate? I need a cryptographically signed price attestation I can trust.","exampleUseCases":[{"title":"Cross-border payment verification for merchant","prompt":"Before I process this payment from a US customer to a Canadian vendor, I need the latest signed USD to CAD rate so I can lock in the exact conversion and prove it was legitimate at settlement time."},{"title":"Smart contract price feed initialization","prompt":"I'm deploying a DeFi protocol that needs to know the current USD/CAD rate. Can you fetch me a cryptographically signed attestation so I can verify the price came from a trusted source before writing it on-chain?"},{"title":"Accounting reconciliation with audit trail","prompt":"Pull the current USD to Canadian dollar exchange rate with a digital signature attached. I need to record this in our books with proof that shows exactly what rate we used and that it hasn't been tampered with."}],"resultDescription":"Returns the current USD/CAD exchange rate along with an Ed25519 digital signature attesting to the price, enabling downstream verification of data authenticity and provenance.","failureModes":["Payment not provided or invalid x402 payment — returns 402 Payment Required","Rate limiting or quota exceeded — returns 429","Upstream price feed unavailable — returns 503 or stale data error","Malformed request — returns 400"],"whenToPreferThis":"Use this endpoint when you need a cryptographically signed, verifiable USD/CAD price attestation rather than a raw unauthenticated feed — ideal for smart contracts, on-chain use cases, or any workflow requiring tamper-evident proof of the exchange rate.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T13:04:38.487Z","isFirstParty":false}