currency-exchange APIs

Currencylayer provides reliable exchange rate and currency conversion data for over 168 world currencies using an easy-to-use REST API.

Exchangerate.host provides free foreign exchange and cryptocurrency rates via a simple REST API, covering 170+ currencies and major crypto assets.

Exchangeratesapi.io provides real-time and historical foreign exchange rates for 170+ currencies, returned as JSON.

Fixer is a widely-used currency exchange and conversion API providing real-time, intraday, and historical exchange rates for 170+ currencies.

1Forge provides real-time forex (foreign exchange) market data via a REST API, covering currency pairs, conversion rates, and market status.

Amdoren provides a free currency conversion API supporting over 150 currencies with daily updated exchange rates.

The Bank of Russia XML API provides official daily exchange rates for foreign currencies against the Russian Ruble, published by the Central Bank of the Russian Federation.

Currency-api is a free, open-source currency exchange rates API hosted on GitHub with no rate limits, no authentication, and support for 150+ currencies.

CurrencyFreaks provides current and historical currency exchange rates for 150+ currencies via a REST API.

CurrencyScoop (now CurrencyBeacon) provides real-time and historical exchange rates for 170+ currencies and cryptocurrencies via a REST API.

The Czech National Bank (CNB) publishes official daily exchange rates for 30+ currencies against the Czech Koruna (CZK) as a plain XML file.

Economia.Awesome is a free Brazilian API that provides real-time and historical currency exchange rates for dozens of currency pairs, including BRL (Brazilian Real) against USD, EUR, BTC, and more.

ExchangeRate-API delivers accurate foreign exchange rates for 160+ currencies, sourced from major financial data providers and updated hourly.

Frankfurter is an open-source currency data API backed by the European Central Bank (ECB) exchange rate dataset, providing rates for 33 major currencies updated every weekday.

The National Bank of Poland (NBP) API is an official government data source providing daily exchange rates for 35+ currencies relative to the Polish Zloty (PLN), published on each banking day.