fastFOREX
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.
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OANDA Exchange Rate 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
Key Features of OANDA Exchange Rate API:
Real-time exchange rates from over 170 currencies, sourced from multiple liquidity providers
Comprehensive historical data for strategic planning and trend analysis
Flexible integration for easy compatibility with any platform
Dedicated support to ensure seamless implementation and long-term success
Trusted by the Big4 Audit Firms and Thousands of businesses globally.
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FXProof
FXProof is a B2B SaaS for creating signed, verifiable proof documents for official exchange rates. Each reusable proof bundle preserves the selected official source, rate date, dataset details, document ID, payload hash, signature status, and public verification data. It helps accounting and finance teams, bookkeeping and tax practices, auditors, compliance teams, small businesses, freelancers, and software providers document the exchange rate used for invoices, expenses, accounting entries, tax files, internal controls, audits, and dispute reviews. Supported sources include the European Central Bank, HMRC, the Federal Reserve, the Bank of Canada, and the National Bank of Kazakhstan. Users can view proof samples, verify an existing document without an account, retrieve ready proof bundles in the web application, and automate the same workflow through the API. FXProof is not a currency exchange, trading platform, or provider of investment, legal, accounting, or tax advice.
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OANDA
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.
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