{"uid":"cap_DZ1bRVsW0t-apsjQFSYcm","slug":"us-treasury-quarterly-exchange-rates-bb6bfe50","name":"US Treasury Quarterly Exchange Rates","description":"Official US Treasury quarterly reporting rates of exchange by country: currency, exchange rate, effective date. For AI agents doing government grade FX conversion, cross border accounting, and treasury compliant currency reference lookups.","url":"https://proxy.suverse.io/v1/data/suverse-treasury-exchange-rates","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"properties":{}},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.09","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.09","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_YUf2wrf5cVKhBlX4Asnuk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.09","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns official US Treasury quarterly reporting rates of exchange by country, including currency name, exchange rate, and effective date.","exampleAgentPrompt":"Look up the official US Treasury quarterly exchange rate for the Euro — I need the government-grade rate and effective date for a compliance report.","exampleUseCases":[{"title":"Cross-border compliance accounting","prompt":"I'm preparing an international financial report and need the official US Treasury exchange rates for the Brazilian real and Mexican peso — can you pull those with their effective dates so I can use them for compliant FX conversion?"},{"title":"Government grant foreign currency conversion","prompt":"We received a federal grant and need to convert expenditures in Japanese yen to USD using the official Treasury quarterly rate — what's the current government-sanctioned exchange rate and when does it apply?"},{"title":"Audit-ready FX rate documentation","prompt":"Our auditors need us to document the official US Treasury exchange rate we used for converting British pounds last quarter — can you fetch the Treasury-reported GBP rate and its effective date?"}],"resultDescription":"Returns a structured list of official US Treasury quarterly reporting exchange rates, including country name, currency name, exchange rate (USD-based), and the effective date of the rate — suitable for use in government financial reporting, cross-border accounting, and treasury compliance workflows.","failureModes":["Country or currency not found in Treasury database — returns empty or null result","Rate not yet published for the current quarter — older effective date returned","Invalid or malformed POST body — 400 error","Service unavailable or upstream Treasury data feed down — 500 or timeout","Payment not fulfilled via x402 protocol — 402 Payment Required"],"whenToPreferThis":"Choose this endpoint when you need authoritative, government-sanctioned FX rates as published by the US Treasury for compliance, audit, federal grant accounting, or regulatory reporting. Prefer this over market-rate FX APIs (e.g. Open Exchange Rates, Fixer.io) when government-grade or treasury-compliant currency references are required, such as for federal financial statements or cross-border accounting under OMB or GAAP guidelines.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T13:00:23.421Z","isFirstParty":false}