Exchangeratesapi.io
Provides exchange rates and currency conversion.
Read docs Updated 2026-06-16
What is Exchangeratesapi.io?
Exchangeratesapi.io is a finance API that delivers exchange rates and enables currency conversion.
It supports integration into applications requiring current currency data for financial calculations or reporting.
What you can build with Exchangeratesapi.io
Currency Converter Tool
Embed live conversion logic in web or mobile apps to instantly convert amounts between any supported currencies.
E-commerce Localization
Dynamically display product prices in a visitor's local currency using real-time rates fetched on page load.
Financial Dashboard
Pull daily rates into reporting tools or spreadsheets to track forex movements and generate historical charts.
Get started with Exchangeratesapi.io
- 1Sign up at exchangeratesapi.io and copy your free API key
- 2Open the documentation to see available endpoints and parameters
- 3Build a request URL including your key and desired base/target currencies
- 4Send an HTTPS GET request from your code or tool of choice
- 5Parse the JSON response and cache rates as needed for your app
Exchangeratesapi.io: pros & cons
Pros
- +Simple REST endpoints returning clean JSON
- +HTTPS-only access for secure calls
- +Broad currency coverage including major pairs
- +Free tier available for light usage
Cons
- –API key required on every request
- –Free plan has strict rate limits
- –Update frequency varies by plan
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A REST API that supplies current and historical foreign exchange rates plus currency conversion endpoints.
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