ExchangeRate-API is an easy to use HTTP API for e-commerce & other websites to show pricing data in different currencies. It's been running since 2010 and offers both free and paid plans.
- - ExchangeRate-API is the most popular Web-based alternative to BestExchangeRates.
- - ExchangeRate-API is the most popular free alternative to BestExchangeRates.
Free, hourly-updated exchange rates and currency data - a simple, accurate, easy-to-integrate JSON API with great documentation. Free for personal use, a bargain for everybody else.
- - Open Exchange Rates is the most popular Self-Hosted alternative to BestExchangeRates.
Open Exchange Rates Features