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US Treasury Quarterly Exchange Rates
x402
US Treasury Quarterly Exchange Rates is a paid API for AI agents from proxy.suverse.io, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-16).
Returns official US Treasury quarterly reporting rates of exchange by country, including currency name, exchange rate, and effective date.
Price / call$0.004
Success—
StatusUnknown
How this service works
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.
Output
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.
Example use cases
Cross-border compliance accounting
“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?”
Government grant foreign currency conversion
“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?”
Audit-ready FX rate documentation
“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?”
Technical details
Endpoint
POSThttps://proxy.suverse.io/v1/data/suverse-treasury-exchange-ratesWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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