What this API does
The Currency Exchange API by Exchangerate.host provides developers with seamless access to real-time and historical exchange rates for over 170 currencies, including fiat currencies, cryptocurrencies, and precious metals. Key features include up-to-date currency conversion, detailed historical exchange data dating back to 1999, and a straightforward authentication process using API keys.
How it works
Developers can use simple HTTP GET requests to interact with the API. Key endpoints include those for retrieving the latest exchange rates, performing currency conversions, and accessing historical data. Responses are delivered in JSON format, making it straightforward to integrate with various platforms, including web applications and mobile apps.
Authentication
Authentication is handled via API keys. Developers must sign up on the Exchangerate.host platform to receive an API key for accessing the service.
Example usage
/latest- Retrieves the latest exchange rates for all supported currencies./convert?from=USD&to=EUR&amount=100- Converts 100 USD into EUR./historical?date=2023-01-01&base=USD- Fetches historical exchange rates for a specified date.
Limits
The API allows up to 1,000 free requests per month without a credit card. Additional requests may require a subscription plan.
Ideal use cases
- Building financial applications that require real-time currency data.
- Developing e-commerce platforms with multi-currency support.
- Creating analytical tools for historical currency research.
- Integrating currency conversion into travel planning applications.