Arbiter
US_OFFICIAL_EXCHANGE_RATES @ 1.0.0
US official exchange rates (quarterly)
The US government's official foreign-currency exchange rates from the Treasury Reporting Rates of Exchange: units of each currency per US dollar for the newest quarter-end, with effective dates and amendments, for every currency or only those matching your query. Used for US government and tax-style reporting. Example request: {"query":"euro"} or {} for all.
From $0.002 per call
What you get
The US government's official foreign-currency exchange rates from the Treasury Reporting Rates of Exchange: units of each currency per US dollar for the newest quarter-end, with effective dates and amendments, for… Price: from $0.002 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.
Terms
- Product
- US_OFFICIAL_EXCHANGE_RATES @ 1.0.0
- Category
- Market Intelligence
- Family
- Utility
- Source
- US Treasury Fiscal Data
- Price
- From $0.002 per call. Every request is quoted; the 402 response states the exact amount before anything is paid.
- Pays with
- x402 on eip155:1, eip155:10, eip155:1329, eip155:137, eip155:143, eip155:42161, eip155:43114, eip155:5042, eip155:8453
- Freshness
- Cacheable Snapshot
- Latency
- Standard
Buy it with x402 or the API
POST https://arbiterverse.com/api/x402/US_OFFICIAL_EXCHANGE_RATES with a JSON body {"request": {...}}. An unpaid call answers 402 with the exact x402 v2 terms; repeat it with the payment signature to receive the result.
A working example request:
{
"request": {}
}
Schema and errors: /docs/US_OFFICIAL_EXCHANGE_RATES.json and /openapi.json. All services.