The Best API to Get Currency Exchange Rates

There are many options to get currency exchange rates. However, when you want to use them in an application, the best option is to use an API for that. Currency exchange rate APIs can do many things, including retrieving the exchange rate data between two currencies. There are different options available when it comes to finding the best API to get currency exchange rates. Each has its own strengths and weaknesses. If you are looking for a currency exchange-free API, this article will help you to find it.

What is Currency Exchange Rates API?

What is a good api to get currency exchange rates

One of the most crucial elements of global business and finance is currency. You should be able to access currency exchange and conversion services because the globe is becoming a global market where everyone can take part in international business. Therefore, you need a currency data API and know how to use them so that can convert currencies of any value between different currencies. 

Developers may now add currency, conversion, trading, and many more exciting capabilities into their applications and websites thanks to currency APIs.

How to Choose the Best Currency Exchange Rates API?

How to choose a good api to get currency exchange rates

To choose the best Currency conversion API, there are a couple of features you can look out for in it, like the following:

Reliable sources

The number of data sources that an exchange API offers is an important consideration for a reliable currency exchange API. The API functions by compiling data from numerous financial data providers. Therefore, it’s crucial to pick an API that can offer enormous amounts of data from numerous sources.

Your firm needs reliable, correct data before aggregating data, monitoring, and evaluating worldwide trends for your organization. Therefore, it’s important to find out if the sources of data are legitimate.

Security of the API

Security plays an important role in any web application. The API you are going to use should come with an SSL connection. Also, the ability to manage access control can be a vital feature depending on your web application.

Currencies that are supported

Any good currency API is useless if it doesn’t support the currencies you want. Find out the number of currencies the currency API supports before deciding on it. Check the list to see if it includes the currencies you are using as well as the other currencies that you will use in the future.

Real-time API updates

Your API should be able to provide real-time updated data like XE currency data. The reason is that stock markets and value are subject to sudden changes, and you need up-to-date information to manage your business. While some exchange APIs may take minutes or hours to update data, the top ones do it in only 10 to 60 seconds. You must pick a procedure that can update data regularly if your operations are 24/7.

It’s always a great idea to get more tips on Currency Conversion APIs to select the best one!

How is Fixer the Best Currency Exchange Rates API?

Fixer is a minimal API with a straightforward API structure for historical foreign exchange rates as well as present one’s. Due to its trustworthy sources of data for live exchange rates, it is used every day by numerous Startups, large enterprises, and developers.

For 170 international currencies, the historical exchange rates are updated every 60 seconds. You can get live historical exchange data in just 5 steps! The sources are trustworthy because the historical data come from banks, including the European Central Bank, and companies that supply financial information. 256-bit SSL encryption of the highest quality is used to encrypt your connection to the Fixer API. The API can also be implemented quickly and easily because of the clear code examples, simple API design, detailed API documentation, and intuitive code examples.

Fixer offers guaranteed availability with expandable volumes and millisecond response times. Additionally, it has different endpoints for the conversion of a single currency as well as time-series data. Moreover, you can get assistance from the dashboard area of the control panel, where you may use a single click to test API requests. Aside from live data and latest exchange rate data, Fixer also comes with separate endpoints for single currency conversion and Time-Series data.

Sign up for Fixer for free today!


What is the best source for exchange rates?

Credit unions and banks

What is an FX API?

FX is short for Forex and Forex APIs enable developers to include functionality for retrieving foreign exchange data in their applications

What is fixer API?

Fixer is a straightforward and compact API for FX rates, both present, and past.

What is the best currency converter API free? It provides both the most recent and older foreign currency rates. has an easy-to-understand API structure. Fixer obtains its pricing from a variety of trustworthy sources.

The Benefits of Using an API to Check Exchange Rates

The Benefits of Using an API to Check Exchange Rates

Today, many services are provided to facilitate human life in digital environments. While the number of these services is increasing, human life continues to be facilitated, especially in financial services. Financial services have a very common usage network by people today.

The most frequently preferred transaction in financial services is currency exchange. Currency exchange offered to people by finance applications has saved people from a great deal of trouble. Nowadays, people can trade hundreds of currencies while eating or waiting in line through a single application.

Finance applications need to provide uninterrupted, fast, and accurate currency data while providing this service to people. There are many ways to achieve this in financial applications. Among these ways, the most popular one today is the use of the free currency exchange rate API. In this article, we will explain why the currency exchange rates API is the most popular way and we will do an integration. Let’s get started then.

Why currency exchange rates API is popular

Currency exchange rate API forms the basis of financial applications today. Currency data presented to users in finance applications is provided by currency exchange APIs.

Currency exchange APIs are obliged to provide the most up-to-date free currency api data they support to the applications. The accuracy of the data it provides is very important. Therefore, the accuracy of the data provided is the responsibility of the currency exchange APIs.

There are many benefits to using Currency exchange APIs in applications. First of all, there is no need to make any development related to currency exchange on the application side. If currency data is needed on the application side, a request is made to the currency exchange APIs and the currency data is obtained in the most up-to-date way.

Another popular advantage is the currency number supported by currency exchange APIs. Currency exchange APIs today generally support more than 100 official currencies around the world. Applications also allow their users to trade hundreds of currencies with a single application.

The main reason why various currency exchange rate APIs are preferred by finance applications is the historical data service. Some currency exchange APIs provide historical data for currencies. In this way, it tries to provide all kinds of analyzes to its users with historical data so that they can shape their investments in applications.

Fixer API is the currency exchange API preferred by many applications and developers, especially finance applications. It has been developed to meet almost anything a developer and application may need.

It supports 170 currencies. It obtains currency information from official financial institutions and updates its data every 60 seconds. In this way, it provides its customers with the most up-to-date data. It also provides historical data of currencies up to 1999.

Currency exchange APIs are frequently used by applications. Let’s integrate the Fixer API, which is the most popular currency exchange API today, into the Nodejs application.

Integration Fixer API to Nodejs

Before we integrate the Fixer API into the application, we need to obtain an API key. We choose one of the many flexible and affordable packages of Fixer API, including the free package, and sign up.

After obtaining the API key, we will create a Nodejs application. Then we paste the following codes into our application.

var request = require('request');
var options = {
  'method': 'GET',
  'url': '*****ff',
  'headers': {
request(options, function (error, response) {
  if (error) throw new Error(error);

When this code runs, the following information will be printed on the console of the application.

  "success": true,
  "timestamp": 1666682343,
  "base": "EUR",
  "date": "2022-10-25",
  "rates": {
    "AED": 3.621377,
    "AFN": 85.374344,
    "ALL": 116.853552,
    "AMD": 395.763462,
    "ANG": 1.764208,
    "AOA": 449.01181,
    "ARS": 152.485578,
    "AUD": 1.55921,
    "AWG": 1.776683,
    "AZN": 1.68287,
    "BAM": 1.94908,
    "BBD": 1.976435,
    "BDT": 99.559908,
    "BGN": 1.95171,
    "BHD": 0.371823,
    "BIF": 2023.701279,
    "BMD": 0.985951,
    "BND": 1.392563,
    "BOB": 6.763976,
    "BRL": 5.232933,
    "BSD": 0.9789,
    "BTC": 5.1082093e-5,
    "BTN": 80.998918,
    "BWP": 13.192581,
    "BYN": 2.482453,
    "BYR": 19324.63167,
    "BZD": 1.973047,
    "CAD": 1.352004,
    "CDF": 1996.549805,
    "CHF": 0.98842,
    "CLF": 0.035258,
    "CLP": 972.886841,
    "CNY": 7.203649,
    "COP": 4919.893471,
    "CRC": 608.41918,
    "CUC": 0.985951,
    "CUP": 26.127691,
    "CVE": 109.885574,
    "CZK": 24.471369,
    "DJF": 174.264744,
    "DKK": 7.438731,
    "DOP": 52.786269,
    "DZD": 138.281501,
    "EGP": 19.422236,
    "ERN": 14.789259,
    "ETB": 51.832028,
    "EUR": 1,
    "FJD": 2.278187,
    "FKP": 0.870126,
    "GBP": 0.873715,
    "GEL": 2.72111,
    "GGP": 0.870126,
    "GHS": 13.704518,
    "GIP": 0.870126,
    "GMD": 57.184753,
    "GNF": 8444.669964,

When we look at the response from Fixer API, we see that we have obtained 170 currency data corresponding to Euro currency in just milliseconds.

Now we will look at how to get currency symbol information, which is another service of Fixer API. Let’s replace the code block that creates the request below with the previous code block.

var options = {
  'method': 'GET',
  'url': '*****ff',
  'headers': {

Now let’s run this code and look at the console of the application.

  "success": true,
  "symbols": {
    "AED": "United Arab Emirates Dirham",
    "AFN": "Afghan Afghani",
    "ALL": "Albanian Lek",
    "AMD": "Armenian Dram",
    "ANG": "Netherlands Antillean Guilder",
    "AOA": "Angolan Kwanza",
    "ARS": "Argentine Peso",
    "AUD": "Australian Dollar",
    "AWG": "Aruban Florin",
    "AZN": "Azerbaijani Manat",
    "BAM": "Bosnia-Herzegovina Convertible Mark",
    "BBD": "Barbadian Dollar",
    "BDT": "Bangladeshi Taka",
    "BGN": "Bulgarian Lev",
    "BHD": "Bahraini Dinar",
    "BIF": "Burundian Franc",
    "BMD": "Bermudan Dollar",
    "BND": "Brunei Dollar",
    "BOB": "Bolivian Boliviano",
    "BRL": "Brazilian Real",
    "BSD": "Bahamian Dollar",
    "BTC": "Bitcoin",
    "BTN": "Bhutanese Ngultrum",
    "BWP": "Botswanan Pula",
    "BYN": "New Belarusian Ruble",
    "BYR": "Belarusian Ruble",
    "BZD": "Belize Dollar",
    "CAD": "Canadian Dollar",
    "CDF": "Congolese Franc",
    "CHF": "Swiss Franc",
    "CLF": "Chilean Unit of Account (UF)",
    "CLP": "Chilean Peso",
    "CNY": "Chinese Yuan",
    "COP": "Colombian Peso",
    "CRC": "Costa Rican Col\u00f3n",
    "CUC": "Cuban Convertible Peso",
    "CUP": "Cuban Peso",
    "CVE": "Cape Verdean Escudo",
    "CZK": "Czech Republic Koruna",
    "DJF": "Djiboutian Franc",
    "DKK": "Danish Krone",
    "DOP": "Dominican Peso",
    "DZD": "Algerian Dinar",
    "EGP": "Egyptian Pound",
    "ERN": "Eritrean Nakfa",
    "ETB": "Ethiopian Birr",
    "EUR": "Euro",
    "FJD": "Fijian Dollar",
    "FKP": "Falkland Islands Pound",
    "GBP": "British Pound Sterling",
    "GEL": "Georgian Lari",
    "GGP": "Guernsey Pound",
    "GHS": "Ghanaian Cedi",
    "GIP": "Gibraltar Pound",
    "GMD": "Gambian Dalasi",
    "GNF": "Guinean Franc",
    "GTQ": "Guatemalan Quetzal",
    "GYD": "Guyanaese Dollar",

With just one request, we have obtained hundreds of currency symbols.


Using currency exchange APIs provides many advantages to finance applications. The data that forms the heart of finance applications are served by these APIs. If you want to increase user satisfaction in your applications and reduce your workload, take a look at the detailed documentation of Fixer API.

3 Currency Exchange Rate APIs To Power Your Global Finance App

3 Currency Exchange Rate APIs To Power Your Global Finance App

Finance applications are a service that directly facilitates human life as a result of technological developments. Finance applications, which were originally intended to inform people about basic finance issues, have evolved into a completely different situation today. It allows people to make investments or any material transactions in a digital environment. Thanks to this service, people save time and have the opportunity to handle many transactions instantly without waiting in a queue.

Now, most of us prefer to do transactions such as money transfers, foreign exchange buying, and selling through finance applications. Today, although some of us still shy away from it, what can be done in financial applications is actually too much to be underestimated.

Some popular finance apps services include:

  • Effortless sending money
  • Trading precious metals, cryptocurrencies
  • Currency exchanging
  • Investment transactions
  • Tracking the trading history

Today, among these features, the most outstanding service in finance applications is foreign exchange trading. Finance applications make use of currency exchange APIs to offer currency trading services to their users. What is this currency exchange API, let’s take a look at it.

3 Currency Exchange Rate APIs To Power Your Global Finance App

What is currency exchange rate API

Currency exchange rate APIs provide currency conversion information to their customers. They provide an instant exchange of information through an endpoint provided in the basic sense. There are some issues that currency exchange rate APIs are responsible for. The accuracy of the currency data provided is very important. Currency exchange rate API guarantees the accuracy of the currency conversion information they provide to their customers, otherwise, they can cause a great loss to their customers.

It is a service that the currency exchange rate API provides customers in the number of currencies provided. Today, many currency exchange rate APIs provide instant conversion information for hundreds of currencies.

And finally, the working performance of currency exchange rate APIs is a very important issue. They are responsible for providing their customers with up-to-date currency data quickly and not causing any delays.

3 popular currency exchange rate APIs

We have prepared 3 currency exchange rate APIs for you, which are frequently preferred by finance applications today. Let’s have a look at these.

Fixer API

Fixer API is used by many applications, especially finance applications. It is the most popular currency exchange rate API. It is actively used by more than 200,000 developers and companies, especially large companies such as Microsoft, Samsung, and Kranken.

Fixer API provides 170 official currency data in the world instantly. It also obtains the data it provides from official financial institutions and updates its data every 60 seconds.

One of the most useful features of Fixer API is that it provides historical currency data up to 1999. In this way, it appeals to a wide audience.

Exchange Rates API

Exchange Rates API is highly preferred by direct finance applications and financial projects. It provides instant conversion information between more than 200 currencies. It draws attention to the number of official currencies it supports.

By updating the data it provides every minute, it guarantees to provide the most up-to-date data to its customers.

It also provides a free package for up to 250 requests per month. Paid packages are very flexible and affordable.

Currencylayer API

Currencylayer is used by many big companies today with the API it provides. It offers a JSON API that provides data on 168 official currencies around the world.

It serves very large companies such as Disney Pixar, FedEx, Team Viewer, and Freelancer. In addition, it continues to serve 250,000 companies.

Currencylayer API is flexible and developed with a developer-friendly approach. It can be quickly integrated into applications. This saves companies a lot of time.


Currency exchange APIs undertake operations related to currency conversions of finance applications. Thanks to these APIs, applications can provide currency conversion services to their users without any worries. If you want to make your currency exchange transactions in your finance applications through an API, visit Fixer, which is the most used currency exchange rate API today.

Get Live Historical Exchange Rates from a Fixer API in 5 Steps

Get Live Historical Exchange Rates from a Fixer API in 5 Steps

Historical exchange rate data is popularly used in currency trading applications. Investors frequently use historical currency data in foreign exchange trading applications. It is a service that shapes the investments of investors.

Historical exchange rate data is provided by APIs that provide currency conversion services. Today there are many APIs that provide this service. The most popular historical exchange rate API preferred by giant companies such as Kranken and Samsung is Fixer API. Fixer API provides both current and historical data to its users in just milliseconds.

Fixer API provides current and historical currency data for 170 currencies. It obtains the data provided by various official financial institutions and banks, especially the European Central Bank.

Fixer API is developed by developers with a developer-friendly approach. Quickly integrated, the JSON API is flexible and can be integrated into applications in a few steps. In addition, it provides a lot of information to both developers and business owners with very strong documentation.

Now we will talk about how to integrate Fixer API into 5 different programming languages.

Fixer API with 5 different programming languages

We will integrate the historical exchange rate data service provided by Fixer API into 5 different programming languages. 

Before proceeding with the integration, we select one of the most exclusive and affordable packages of Fixer API and become a member. Then we obtain the API key required to use the Fixer API.

After obtaining the API key, we can look at the integration of Fixer API with different programming languages.


var requestOptions = {
  method: ‘GET’,
  redirect: ‘follow’

fetch(“*****ff&symbols=USD,TRY,CAD”, requestOptions)
  .then(response => response.text())
  .then(result => console.log(result))
  .catch(error => console.log(‘error’, error));


package main

import (

func main() {

  url := “*****ff&symbols=USD,TRY,CAD”
  method := “GET”

  client := &http.Client {
  req, err := http.NewRequest(method, url, nil)

  if err != nil {
  res, err := client.Do(req)
  if err != nil {
  defer res.Body.Close()

  body, err := ioutil.ReadAll(res.Body)
  if err != nil {


var axios = require(‘axios’);

var config = {
  method: ‘get’,
  url: ‘*****ff&symbols=USD,TRY,CAD’,
  headers: { }

.then(function (response) {
.catch(function (error) {


conn = http.client.HTTPSConnection(“”)
payload = ”
headers = {}
conn.request(“GET”, “/api/2015-09-08?access_key=c0*****ff&symbols=USD,TRY,CAD”, payload, headers)
res = conn.getresponse()
data =


require_once ‘HTTP/Request2.php’;
$request = new HTTP_Request2();
  ‘follow_redirects’ => TRUE
try {
  $response = $request->send();
  if ($response->getStatus() == 200) {
    echo $response->getBody();
  else {
    echo ‘Unexpected HTTP status: ‘ . $response->getStatus() . ‘ ‘ .
catch(HTTP_Request2_Exception $e) {
  echo ‘Error: ‘ . $e->getMessage();

We have implemented the integration of Fixer API with applications very simply and quickly. If the ‘base’ field is not set in the request to the Fixer API, EUR is selected by default. We did not set the ‘base’ field either, and we expect the values ​​of USD, TRY and CAD currencies to correspond to the EUR currency on the date we specified.

When these applications are run, the following output will be printed on the console screen of the applications.

  “success”: true,
  “timestamp”: 1441670399,
  “historical”: true,
  “base”: “EUR”,
  “date”: “2015-09-08”,
  “rates”: {
    “USD”: 1.120599,
    “TRY”: 3.377687,
    “CAD”: 1.481852


The popularity of historical exchange rate data is increasing. It is an element that determines investment plans for investors. By integrating Fixer API into your applications in just a few steps, you can convince medium and large-scale investors to use your applications.

API: How to Use it to Convert Currencies

API: How to Use it to Convert Currencies

Exchange rates services are used by many applications and websites today. Using web services that offer exchange rates API services, applications provide instant currency conversion to their users.

Web Services that offer exchange rates API service are very popular today and the competition between each other is getting hotter. Many popular technology firms produce, develop and sell web services that offer exchange rates.

The most popular and best free service offering exchange rates API is Fixer API. Fixer API currently supports 170 officially recognized currencies. It provides the most accurate and up-to-date data to its users by obtaining the currency information of the supported currencies from various official financial institutions and banks. Fixer API updates the data it provides every 60 seconds. In addition to the current data provided, Fixer also provides historical data of values ​​for 170 currencies.

Fixer API is used by world giant companies such as Microsoft, Bershka and Samsung with its up-to-date and powerful documentation.

To get acquainted with this and many other advantages of the Fixer API, we will talk about how it is integrated and used on the code side.

Integration Fixer API with Nodejs

Before integrating the Fixer API into the code side, we obtain an API key by choosing one of the packages offered by the most popular API marketplace, APILayer. APILayer also offers a free package for the Fixer API.

After obtaining the API key, let’s create a Nodejs project on the desktop and install the necessary packages by running the command below.

npm i express node-fetch

Next, let’s paste the following codes into our index.js file.

const express = require(‘express’);

const fixerRouter = require(‘./routes/fixerRoute’);
const app = express();

app.use(‘/api/exchangerates, fixerRouter);

var server = app.listen(3000, function() {
    console.log(‘App is running!’);

Next, let’s create a routes folder, create a folder named fixerRoute.js in it and paste the following codes into it.

const express = require(‘express’);
const router = express.Router();
const fetch = require(‘node-fetch’);

router.get(‘/’, (req, res) => {
  let apiKey = req.query.path;
  let url = `*****ff`;
    .then(response => response.text())
    .then(result => {
    .catch(error => console.log(‘error’, error));

module.exports = router;

Now let’s run the application by typing the following command from the terminal.

npm start

Let’s make a request from the browser to the following url.


When we make this request, the following response will come.

  “success”: true,
  “timestamp”: 1663088643,
  “base”: “EUR”,
  “date”: “2022-09-13”,
  “rates”: {
    “AED”: 3.672682,
    “AFN”: 88.468123,
    “ALL”: 115.760012,
    “AMD”: 405.675496,
    “ANG”: 1.801343,
    “AOA”: 429.425349,
    “ARS”: 142.56822,
    “AUD”: 1.478924,
    “AWG”: 1.802347,
    “AZN”: 1.67956,
    “BAM”: 1.92049,
    “BBD”: 2.018153,
    “BDT”: 94.964137,
    “BGN”: 1.954738,
    “BHD”: 0.376915,
    “BIF”: 2044.82619,
    “BMD”: 0.999915,
    “BND”: 1.393451,
    “BOB”: 6.906672,
    “BRL”: 5.171258,
    “BSD”: 0.999503,
    “BTC”: 4.8164985e-5,
    “BTN”: 79.05065,
    “BWP”: 12.814332,
    “BYN”: 2.522813,
    “BYR”: 19598.334142,
    “BZD”: 2.014696,
    “CAD”: 1.313363,
    “CDF”: 2039.82657,
    “CHF”: 0.959288,
    “CLF”: 0.033196,
    “CLP”: 916.223443,
    “CNY”: 6.924813,
    […]      }

We integrated the Fixer API into the application in just a few steps and used it quickly.


The number of applications that provide the exchange rates service is increasing. In this way, applications can increase the satisfaction of their users and attract more users to the application. You can quickly access the privileges of this service by quickly integrating the Fixer API, which provides an exchange rate API service, into your applications. Here you can find detailed documentation of Fixer API.

The Fixer API: How It Can Benefit Your Currency Conversion Strategy

The Fixer API: How It Can Benefit Your Currency Conversion Strategy

Currency conversion processes can be done in milliseconds today in digital environments. Currency trading applications, online banks, and various financial institutions provide these services to users.

Applications and websites obtain currency values ​​to be used in currency conversion operations in online environments with currency converter APIs. Today, there are web services that provide many currency converter API services.

Among these, the application that provides the best free currency converter service is Fixer. In the most basic sense, Fixer provides the best free currency conversion service with the API it provides. Let’s get to know the Fixer API a little more closely.

What is Fixer API

Fixer API offers the most popular currency converter service today. It provides a very flexible and lightweight API in JSON format. It supports 170 official currencies around the world. It provides access to the data of the supported currency or the conversion information between these currencies within milliseconds.

Fixer API keeps the accuracy rate of the currency data it provides at the highest level. It obtains currency data from national official financial services and banks. It updates the data it provides every 60 seconds.

Fixer API Image

An excellent service is also provided in foreign exchange investing, which is one of the most popular topics of today. Fixer API also provides historical data for the currencies it supports. In this way, investors can direct their investments by analyzing historical data.

The developer-friendly Fixer API also provides powerful documentation and easy integration.

Now let’s talk about how you can take advantage of your business currency conversions by choosing Fixer API.

Fixer API benefits for currency conversions

The biggest advantage that the Fixer API provides businesses with currency conversions is the number of currencies it supports. 170 official currencies around the world are supported by Fixer. It is one of the most important reasons why it is preferred by growing businesses, especially in the international arena. Ease of purchase and currency conversion are provided for users in different countries.

For businesses with currency trading applications, the historical data provided is also important. Especially to attract more large-scale investor users to their applications. Fixer API helps businesses increase organic traffic by providing historical data for 170 currencies. It allows users to analyze historical data before trading.

One of the most important criteria for applications that provide currency conversion services is the accuracy of the data provided. Fixer API guarantees the accuracy of the data it provides. It obtains currency data from international official financial institutions and updates the currency information it provides regularly.

Another expectation of businesses from web services that provide currency converter API is easy integration and technical support. Endpoints provided by Fixer API have been developed in a flexible and simple way to integrate very quickly. It provides data in JSON format. It also provides technical support services for problems experienced during integration or at different time, gaining the trust of businesses.

In addition, with the powerful and detailed documentation it provides, it explains many advantages of Fixer to both developers and business owners.


Web services that provide currency converter services provide many conveniences to businesses. To increase user satisfaction and directly increase the number of visitors and gain trust. If you want to benefit from these privileges in the applications of your businesses, you can visit Fixer.