1Forge
APIReal-time Forex currency market data API
Amdoren
APIFree currency exchange API supporting over 150 global currencies
apilayer fixer.io
APIReal-time exchange rates & currency conversion API
Bank of Russia
APIOfficial exchange rates and currency conversion data from Bank of Russia
Currency-api
APIFree Currency Exchange Rates API with 150+ Currencies and No Rate Limits
CurrencyFreaks
APICurrent & historical currency exchange rates with free 1K monthly requests
Currencylayer
APIReal-time exchange rates & currency conversion API
CurrencyScoop
APIReal-time & historical currency exchange rates JSON API
Czech National Bank
APIOfficial daily exchange rates from the Czech National Bank
Economia.Awesome
APIFree Portuguese Currency Prices & Conversion API with No Rate Limits
ExchangeRate-API
APIFree, reliable currency conversion and exchange rate API
Exchangerate.host
APIFree foreign exchange and crypto rates API
Exchangeratesapi.io
APIFree JSON API for exchange rates and currency conversion
Frankfurter
APIFree Currency Exchange Rates & Conversion API
FreeForexAPI
APIFree real-time foreign exchange rates for major currency pairs
National Bank of Poland Currency Exchange API
APIOfficial free currency exchange rates API from Poland (supports XML/JSON)
VATComply.com
APIFree API for exchange rates, geolocation & VAT number validation
National Bank of Poland
APIFree official currency exchange rates API (JSON/XML) from Poland’s central bank