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# Fixer.io
# Fixer
<img src="http://fixer.io/img/money.png" alt="fixer" width=180 align="middle">
[![Travis](https://travis-ci.org/hakanensari/fixer.svg)](https://travis-ci.org/hakanensari/fixer)
[![Travis](https://travis-ci.org/hakanensari/fixer-io.svg)](https://travis-ci.org/hakanensari/fixer-io)
Fixer is a free API for current and historical foreign exchange rates [published by the European Central Bank](https://www.ecb.europa.eu/stats/policy_and_exchange_rates/euro_reference_exchange_rates/html/index.en.html).
Fixer.io is a free JSON API for current and historical foreign exchange rates published by the European Central Bank.
A public instance of the API lives at [https://api.fixer.io](https://api.fixer.io). Alternatively, you can run privately with the provided Docker image.
The rates are updated daily around 4PM CET.
Rates are updated around 4PM CET every working day.
## Usage
Get the latest foreign exchange reference rates in JSON format.
Get the latest foreign exchange rates.
```http
GET /latest
Host: api.fixer.io
```
Get historical rates for any day since 1999.
```http
GET /2000-01-03
Host: api.fixer.io
```
Rates are quoted against the Euro by default. Quote against a different currency by setting the base parameter in your request.
```http
GET /latest?base=USD
Host: api.fixer.io
```
Request specific exchange rates by setting the symbols or currencies parameter.
Request specific exchange rates by setting the symbols parameter.
```http
GET /latest?symbols=USD,GBP
Host: api.fixer.io
```
Make cross-domain JSONP requests.
```http
GET /latest?callback=?
Host: api.fixer.io
```
An HTTPS endpoint is also available at [https://api.fixer.io](https://api.fixer.io).
Use [money.js](http://openexchangerates.github.io/money.js/) in the browser.
Use [money.js](https://openexchangerates.github.io/money.js/) in the browser.
```js
var demo = function(data) {
fx.rates = data.rates
var rate = fx(1).from("GBP").to("USD")
let demo = () => {
let rate = fx(1).from("GBP").to("USD")
alert("£1 = $" + rate.toFixed(4))
}
$.getJSON("http://api.fixer.io/latest", demo)
fetch('https://api.fixer.io/latest')
.then((resp) => resp.json())
.then((data) => fx.rates = data.rates)
.then(demo)
```
## Docker
## Installation
You can run a local instance of the app using Docker.
Bring the stack up.
To run locally with Docker, type
```bash
docker-compose up -d
```
Initialize the database and seed data.
Then seed data with
```bash
docker-compose run web rake db:migrate rates:load
docker-compose restart web
```
## FAQ
### "The API returns data for a date other than the date I asked for!"
If the value of the `date`-property doesn't match the date you requested via query parameters that is due to the European Central Bank only publishing exchange rates **for working days**. In such cases, the exchange rates of the last working day are returned. [#47](https://github.com/hakanensari/fixer-io/issues/47)
In development, access the API at
```
http://localhost:8080
```
In production, create a [`.env`](.env.example) file in the project root first and then run above Docker commands with the production configuration file. For instance
```bash
docker-compose -f docker-compose.yml -f docker-compose.prod.yml up
```