151 currencies — updated every 4 hours

Currency Exchange Rate API

Live exchange rates for 151 currencies via REST API. USD, EUR, GBP, ARS, BRL and more — all accessible with a single API key. Rates refreshed every 4 hours from ExchangeRate-API with automatic fallback to Frankfurter (ECB data).

151
Currencies
4 hours
Refresh interval
ExchangeRate-API
Primary source
Frankfurter (ECB)
Fallback source

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All 151 currencies, bundled with country + city + IP data. No credit card required.