The Top 5 Free Currency Converter APIs for Developers in 2024

Accurate currency conversion is a crucial feature for many applications. Whether you’re developing an e-commerce platform, financial software, or a travel app, integrating a reliable currency converter API is essential. However, finding the right free currency converter API that meets all your needs can be challenging.

1. Open Exchange Rates

Open Exchange Rates has earned its reputation as one of the most trusted free currency converter APIs in the market. This API offers real-time and historical exchange rates for over 170 currencies. The free tier provides access to hourly updates, which is ideal for most applications. Additionally, Open Exchange Rates supports JSON format, making it easy to integrate with any modern development environment. For developers looking for an open-source currency converter API, this platform also offers a community-supported option with access to historical data, which is particularly useful for financial analysis.

2. CurrencyLayer

CurrencyLayer is another excellent currency conversion API that provides developers with real-time exchange rates for 168 world currencies. The API is known for its high accuracy and reliability, powered by data from financial institutions and banks. The free plan offers real-time rates updated every hour, making it suitable for most applications. CurrencyLayer’s simple and well-documented API makes it easy for developers to get started, and its free tier includes up to 1,000 requests per month, making it a top choice among Currency APIs.

3. Exchangerate-api

Exchangerate-api is a free exchange rate API that offers up-to-date and historical exchange rates. With support for over 200 currencies, this currency exchange API provides developers with reliable data that can be integrated into any application. The free plan allows up to 1,500 requests per month, making it an ideal choice for developers working on smaller projects. Exchangerate-api also offers features like custom timeouts and IP filtering, providing an added layer of security and customization for users.

4. ForexRateAPI

ForexRateAPI is a dedicated Forex rates API that provides accurate and real-time foreign exchange rates for 170 currencies. The API is known for its high speed and low latency, making it an excellent choice for applications requiring near-instant updates. ForexRateAPI’s free plan offers 1,000 API requests per month, and its straightforward documentation ensures that developers can integrate the API without any hassle. This currency rates API is especially popular among Forex traders and financial analysts who need real-time data for decision-making.

5. Fixer.io

Fixer is one of the best Currency Data APIs available today, offering real-time and historical foreign exchange rates. This currency exchange API is trusted by developers worldwide for its accuracy and ease of integration. The free plan includes access to over 170 currencies with daily updates, and it supports up to 1,000 API requests per month. Fixer simple JSON API structure makes it easy to use, and its robust documentation helps developers quickly implement the API into their projects.

Conclusion

In 2024, developers have access to a wide range of free currency converter APIs that offer accurate and reliable exchange rate data. Whether you need real-time updates or historical data, these five Currency APIs—Open Exchange Rates, CurrencyLayer, Exchangerate.com, ForexRateAPI, and Fixer—stand out as the best options available. Each of these APIs offers unique features that cater to different development needs, ensuring that you can find the right foreign exchange rates API for your project. By choosing the right API, you can enhance your application’s functionality, providing users with accurate and up-to-date currency conversion features.