Ruby Gem: Currency Converter

A Ruby gem for converting amounts between currencies using real-time exchange rates, with caching and error handling. The CurrencyConverter gem is a powerful, lightweight, and intuitive tool designed to simplify the process of converting currencies in Ruby applications. Whether you're building an e-commerce platform, a financial dashboard, or an analytics tool, this gem empowers developers to handle currency conversions with precision and ease. The gem integrates seamlessly with an external exchange rate API to fetch real-time rates, ensuring accuracy for all conversions. At the same time, it provides a caching mechanism to store exchange rates temporarily, reducing redundant API calls and improving performance. The caching duration is fully configurable, allowing you to strike the perfect balance between freshness and efficiency based on your application's needs.