ExchangeRate-API

Providing accurate, reliable FX Data for over 31 years, FX Data Services is where OANDA started out. Our flagship product, the Online Currency Converter serves millions globally while our Historical Currency Converter and Exchange Rates API help multinationals streamline their business processes with FX and Digital asset data that is trusted by the Big4 audit firms and thousands of businesses globally OANDA is a global financial services corporation that specializes in foreign exchange (forex) trading and currency data services. Established in 1996, the company has become a well-known platform for retail and institutional traders, offering a wide range of tools and resources for trading forex, commodities, indices, and bonds. OANDA is recognized for its transparent pricing, user-friendly interface, and advanced trading technology, making it suitable for both beginners and experienced traders.

fastFOREX is a high-performance exchange rate API that delivers real-time and historical foreign currency exchange rate data and cryptocurrency pricing through a fast, simple, secure JSON API over HTTPS. It supports more than 160 world currencies, including major, minor, and exotic pairs, and pricing data for 500+ cryptocurrencies with low-millisecond response times, helping applications get up-to-date conversion data quickly. The API offers multiple endpoints to fetch single or multiple currency rates, complete lists of rates, time-series datasets for specified intervals, and conversion of amounts between any supported fiat or digital currencies. Data is sourced from trusted financial institutions and world banks to ensure accuracy and reliability, and responses can be integrated from any HTTP client or browser. It provides extensive historical coverage reaching back decades for common trading pairs, scalable volume handling from occasional requests to hundreds per second.