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Package coinmarketcap connects to a suite of high-performance RESTful JSON endpoints that are specifically designed to meet the mission-critical demands of application developers, data scientists, and enterprise business platforms.

Package forexprovider utilises foreign exchange API services to manage relational FIAT currencies

Package currencyconverter package https://free.currencyconverterapi.com/

Package currencylayer provides a simple REST API with real-time and historical exchange rates for 168 world currencies, delivering currency pairs in universally usable JSON format - compatible with any of your applications.