Introduction to Fixer API: Powering Foreign Exchange Rates and Currency Conversions in Your Applications


Have you ever wondered how apps and websites get the latest currency exchange rates? It’s all thanks to tools like Fixer API. In this blog, we’ll explore what Fixer exchange rate API is and where you can implement it. Fixer currency converter API can help us create engaging currency conversion applications. It helps apps stay updated with real-time currency info. 

We’ll break down Fixer API’s features, showing you all the fantastic things it can do. And guess what? You can use it in different apps – finance, e-commerce, or any app dealing with money worldwide. We’ll also share some smart tips on using Fixer API. So, discover Fixer API – the simple yet powerful API that’ll boost your app’s currency game!

What is Fixer API?

This API gives you the latest rates for over 170 currencies worldwide. But that’s not all. Fixer API is also super reliable, with a 99.9% uptime. Therefore, you can trust it for accurate info.

Fixer API not only gives you real-time rates but also historical data. It updates every hour, so you always have the most recent exchange rates. If you want to try it out, Fixer API has a Free Plan. It gives you 100 requests monthly.


✔️Real-time rates for 170+ currencies.

✔️Historical data for exchange rates.

✔️Easy to use with other apps and websites.

✔️Reliable data from multiple financial sources.

✔️Supports various data formats like JSON, XML, and CSV.


❌The free plan has limits on requests and features.

❌For super quick updates, you might need to explore other APIs that offer more frequent changes.

Where Can I Implement Fixer API?

Here are some of the best applications for Fixer API.

📌Financial Applications 

If your app deals with money, like a banking or investment app, Fixer API helps keep the currency info up-to-date. It’s great for users making transactions in different currencies.

📌Shopping Websites

Online shops that sell products worldwide can use Fixer API. It ensures prices are shown in the customer’s currency, avoiding confusion during checkout.

📌Travel Apps

If you have an app for travelers, adding Fixer API is smart. It helps users plan their expenses by converting costs into their home currency. Hence, it makes budgeting easier.

📌 Platforms

Fixer API is applicable for apps, too. It lets users convert between regular money. Hence, it keeps them in the loop with accurate rates.

📌Business Software

Businesses dealing globally benefit from Fixer API in their apps. It helps with accurate record-keeping and financial statements, ensuring the numbers are spot on.

How Do You Integrate Fixer API?

Let’s make the integration process simpler by dividing it into small steps. 


Visit the Fixer API documentation and familiarize yourself with its features, response formats, and endpoints. For each endpoint, Fixer has given code examples on the website. 

Empowered by data from over 15 exchange rate sources, the Fixer API can deliver real-time exchange rate data for 170 global currencies. The API features multiple endpoints, each serving distinct purposes. 

These endpoints include:

✔️Retrieving the latest exchange rate data for all or specific currencies

✔️Converting amounts from one currency to another

✔️Fetching Time-Series data for one or multiple currencies

✔️Querying the API for daily fluctuation data.


Next, choose your preferred programming language. Fixer API gives code examples for PHP and JavaScript


Once you have made all the above decisions, create an account at Fixer API. Click on the pricing section. Choose the required plan. If you are a beginner, choose the free plan and click the Sign Up button. After creating an account, navigate to the dashboard. Here, you may access the API key. Keep this API key safe and secure. 


Integrate the Fixer API key into your code. Here is the code example from the Fixer website:

// set endpoint and your API key
endpoint = ‘convert’;
access_key = ‘API_KEY’;

// define from currency, to currency, and amount
from = ‘EUR’;
to = ‘GBP’;
amount = ’10’;

// execute the conversion using the “convert” endpoint:
    url: ‘’ + endpoint + ‘?access_key=’ + access_key +‘&from=’ + from + ‘&to=’ + to + ‘&amount=’ + amount,
    dataType: ‘jsonp’,
    success: function(json) {

        // access the conversion result in json.result


What Are the Best Practices to Consider When Using a Fixer API?

Following some best practices for smooth conversion is wise when using the Fixer API. 

  1. First, be mindful of your requests – don’t overload the system. 
  2. Check your plan limits to avoid surprises. 
  3. Next, handle errors gracefully. If something goes wrong, have a backup plan in your code. 
  4. Keep your API key secret, like a password. 
  5. Lastly, stay updated. Make sure your integration stays on point if there are changes or improvements. 


We learned how Fixer API helps make excellent applications. Fixer API works smoothly in different apps, from money and online shopping to travel. It gives real-time and correct currency info and is super reliable, with a 99.9% uptime.

As we talked about putting it into your app, it’s clear that Fixer API fits with many programming languages. The guide has examples and steps to make it easy for beginners.

Remember, every tool has its good and not-so-good sides. Fixer API is great with real-time rates and history, but the free plan has limits. Keep an eye on that and consider other options if you need updates more often. Ultimately, we shared intelligent tips to use Fixer API well. 


Is There a Free Exchange Rate API?

Fixer API is perfect for free testing and development

What Is Exchange Rate API?

Exchange Rate API, like Fixer, provides real-time currency conversion data for various applications and websites.

Is Conversion API Free?

Fixer API offers a free plan to access conversion features, with 100 monthly requests at no cost.

What Is the Iban Exchange Rate API?

IBAN exchange rate API covers general currency exchange needs.