• 2001–present
  • Quarterly rates
  • Reporting rate
  • 181 currencies
  • Data source
  • Terms

API examples

Frankfurter is a free, open-source API for current and historical exchange rates. The public API lives at api.frankfurter.dev. Query rates from this provider using the examples below.

Fetch provider's latest rates.

curl https://api.frankfurter.dev/v2/providers/ust/rates?date=2026-08-31

Fetch provider's five years of quarterly rates.

curl https://api.frankfurter.dev/v2/providers/ust/rates?from=2021-09-10&group=month

Fetch provider's current EUR/USD.

curl https://api.frankfurter.dev/v2/providers/ust/rate/eur/usd?date=2026-08-31

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