Foreign exchange rates and currency conversion API


Fixer is a free API for current and historical foreign exchange rates published by the European Central Bank.

The rates are updated daily around 4PM CET every working day.


Get the latest foreign exchange reference rates.

Get historical rates for any day since 1999.

Rates are quoted against the Euro by default. Quote against a different currency by setting the base parameter in your request.

Request specific exchange rates by setting the symbols parameter.,GBP

The primary use case is client side. For instance, you can use money.js in the browser.

let demo = () => { let rate = fx(1).from("GBP").to("USD") alert("£1 = $" + rate.toFixed(4)) } fetch('') .then((resp) => resp.json()) .then((data) => fx.rates = data.rates) .then(demo)

Please cache results whenever possible.

The API comes with no warranty.