Our currency data API powers the Internet's most dynamic startups, brands and organisations.

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

Powering seamless cross-currency payments at Shopify

Trusted for over 7 years by our diverse community of clients – including:

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.

Scalable

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

Fully-featured

Live and historical exchange rates for over 200 world currencies, plus time-series and conversion APIs.