Open Exchange Rate

Open Exchange Rates is a currency data API that powers countless companies with rates for 170 currencies with full historical data. Over 50,000 developers use their API to serve their customers.


Consistent, reliable exchange rate data and currency conversion for your business.

Flexible, fast, affordable – find out why more than 100,000 developers trust our API.


Additional information

Simple to use

Our data are served in transparent JSON format, with simple documentation and quick tech support.

Open source integrations

Our community has created over 200 open source libraries and plugins for most languages and frameworks.


From a single request per month to hundreds per second, we've got you covered.


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Open Exchange Rate

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