{"uid":"cap_IacL0_NpJgedglo3yEjuy","slug":"santyvv-data-fx-rates-5dc7b4d1","name":"santyvv-data FX Rates","description":"Market and on-chain data, paid per call in USDC on Base through the x402 protocol. No accounts, no API keys. Sources are public data providers; the value added here is keyless access, edge caching, multi-source fallback and normalised responses.","url":"https://x402.santyvv.com/api/fx/rates?utm_source=zero.xyz","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}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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_pYCqlreIwgsel_VxKdTeR","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":"Fetches current foreign exchange (FX) rates via a keyless, pay-per-call API using USDC on Base","exampleAgentPrompt":"What's the current exchange rate from EUR to USD? Just fetch the latest FX rate — no API key needed, pay per call.","exampleUseCases":[{"title":"Real-time currency conversion for invoicing","prompt":"I'm invoicing a client in Japan — what's the current JPY to USD exchange rate so I can calculate how much to charge in dollars?"},{"title":"Travel budget FX check","prompt":"I'm heading to London next week — can you get me the latest GBP to USD rate so I can figure out my spending budget?"},{"title":"Automated forex rate enrichment for fintech app","prompt":"Fetch the current EUR to USD exchange rate for me — I need to update the FX rates in my app without setting up an account or API key."}],"resultDescription":"A normalized JSON response containing the current exchange rate(s) for the requested currency pair(s), sourced from public FX data providers with edge caching and multi-source fallback for reliability.","failureModes":["Payment not included or insufficient USDC — returns HTTP 402 Payment Required","Rate data temporarily unavailable from all upstream sources — returns error or stale cache notice","Invalid or unsupported currency pair — returns error indicating unsupported pair","Network timeout or edge cache miss — may return delayed response"],"whenToPreferThis":"Choose this endpoint when you need live FX rates without account registration or API key management, especially in agentic or automated workflows where keyless micropayment access (x402/USDC on Base) is preferred over subscription-based forex APIs. Ideal for low-frequency spot lookups where paying $0.01 per call is more practical than maintaining a subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:39:33.197Z","isFirstParty":false,"canonicalSlug":"santyvv-data-fx-rates-5dc7b4d1"}