Name: U.S. Department of the Treasury (UST) exchange rates
Creator: U.S. Department of the Treasury
License: https://frankfurter.dev/license/

2001–present
Quarterly reporting rate
181 currencies
Data source
Terms

Download historical dataset.

API example

Fetch the latest rates from U.S. Department of the Treasury with the API.

curl https://api.frankfurter.dev/v2/providers/ust/rates

For the full reference and more examples, see the docs.