Fixer.io API
Fixer.io is a free JSON API for real-time and historical foreign exchange (forex) rates, providing currency conversion data for over 170 currencies. It offers both free and paid tiers, with features including live rates, historical data, and time-series queries. The API is commonly used by developers to integrate currency exchange functionality into applications like e-commerce platforms, financial tools, and travel apps.
Developers should use Fixer.io API when building applications that require accurate and up-to-date currency conversion, such as international e-commerce sites, financial dashboards, or travel booking systems. It's particularly useful for projects needing free or low-cost forex data with easy integration via RESTful endpoints, making it a practical choice for startups and small to medium-sized applications.