Top Currency Converter and Exchange APIs# Currency Converter and Exchange APIs
## About currency converter and exchange APIs
Retrieve the latest exchange rates for hundreds of currencies with a currency converter and exchange API.
## What is a currency converter and exchange API?
A currency converter and exchange application programming interface (API) is a service that allows developers to add currency conversion capability to their applications. Developers that subscribe to a currency converter API service can select the plan that best suits their method request frequency needs and budget.
## How does a currency converter and exchange API work?
Currency converter and exchange APIs use the GET method to retrieve data from reliable financial sources. Typically, the response body format is JavaScript Object Notation (JSON), but Extensible Markup Language (XML) is commonly supported as well.
## Who is a currency converter API for?
Currency converter APIs are for developers and other API users who want to add currency and exchange conversion functionality to their applications without having to write the entire code.
Business traders who trade in the foreign exchange markets (FOREX) will find currency APIs helpful as well. Real estate professionals who invest in property in foreign countries or purchase goods internationally can also benefit from a currency API.
## Why is an API for currency conversion and exchange important?
APIs for currency conversion and exchange are valuable tools for developers because instead of coding to retrieve data from multiple sources, they can find currency exchange rates in one place.
Since many currency APIs also show historical data and trends, traders and other investors can use it to make informed buying and selling decisions.
## What can you expect from the best currency converter API?
Developers can expect to launch their applications faster because of the savings in resources and coding time.
Traders and property investors that utilize applications containing the best currency converter APIs can look forward to obtaining accurate currency values.
## Are there examples of free currency conversion APIs?
Currency by Labstack is a popular free conversion API available on the RapidAPI Marketplace. Labstack's Basic plan for the Currency API is free and includes a monthly quota of 400 requests. Overages are less than half a cent each.
Another free API is Currency Converter by NatKapral. Its free Basic plan is for private usage only. It includes a 100-requests-per-day quota. Overages cost a tenth of a cent each. Higher subscription plans for the API are available for commercial usage, and they include access to support.
## Best Currency Converter APIs
Check out this list of the top currency converter and exchange APIs for your next application or website! The collection includes:
- [Currencylayer](https://rapidapi.com/volodimir.kudriachenko/api/Currencylayer)
- [Currency Exchange](https://rapidapi.com/fyhao/api/currency-exchange)
- [Currency Converter](https://rapidapi.com/natkapral/api/currency-converter5)
- [Fixer Currency](https://rapidapi.com/fixer/api/fixer-currency)
## Currency Converter and Exchange API SDKs
All currency converter and exchange APIs are supported and made available in [multiple developer programming languages and SDKs](https://docs.rapidapi.com/v2.0/docs/getting-started-with-rapidapi-sdks) including:
1. Node.js
2. PHP
3. Python
4. Ruby
5. Objective-C
6. Java (Android)
7. C# (.NET)
8. cURL
Just select your preference from any API endpoints page.
[Sign up today for free on RapidAPI](https://rapidapi.com/signup) to begin using Currency Converter and Exchange APIs!
Live currency and foreign exchange rates by specifying source and destination quotes and optionally amount to calculate. Support vast amount of quotes around the world.
A powerful unit conversion tool. Convert currency (using an up-to-date international currency feed). Convert most known measurement types: imperial, metric, mass, length, temperature, time (and more). The convertor will accept full unit names as well as abbreviations (e.g. millimeter and mm)
Currencylayer provides an easy-to-integrate REST API with real-time and historical exchange rates for 168 world currencies and precious metals, delivered in lightweight and highly portable JSON format and compatible with any application, framework or language.
Sign up for your free API Access Key at https://currencylayer.com/product