Alpha Vantage API

Alpha Vantage API returns the realtime exchange rate for any pair of digital currency and physical currency. Data returned for physical currency (Forex) pairs also include real-time bid and ask prices. This API also provides real-time and historical global equity data in 4 different temporal resolutions that are daily, weekly, monthly, and intraday.  

Finnhub.io

With the sole mission of democratizing financial data, Finnhub.io feels proud to offer a FREE realtime API for stocks, forex, and cryptocurrency. Using this API, you can access realtime data from 60+ stock exchanges, 10 forex brokers, and 15+ crypto exchanges. It also provides realtime news for the company, equity, forex and crypto markets. Institutional-grade …

Brave New Coin

BNC’s cloud-based cryptocurrency APIs help you convert currencies & deliver a fast and reliable reference for real-time and historic crypto data from more than 200+ exchanges, including thousands of assets and markets. It retains a set of private and public APIs to institutions and the developer community.  

Hryvna Today

Hryvna Today offers an exchange rate API for developers. The API is simple and easy to use and best of all there is no registration required!  

FX Trade API

With the FX Trade API, you can receive real-time foreign exchange rates and initiate currency conversions. This API is available for corporate customers who specifically want to execute a high number of foreign exchange transactions in small amounts.  

Foreign Exchange Rates by Visa developer center

Foreign Exchange Rates offers easy access to the Visa daily currency exchange rate for a given currency pair. With the help of this API, you can provide a better user experience for cross-border and/or multicurrency transactions. The Foreign Exchange Rates API is available for use by any developer in sandbox and production.  

Free Forex API

Free Forex API is available free of charge to all web developers who need to show the most accurate, live, foreign exchange rates for all the major currency pairs. The API is simple and easy to use and best of all there is no registration required!  

OpenRates

OpenRates is a live exchange rate and currency conversion API that delivers accurate & up-to-date exchange rate data for 32 world currencies in JSON format. All currency data is sourced from the European Central Bank and updated daily at around 4:00 pm CET.  

coinlayer

The coinlayer API is capable of delivering accurate exchange rate data for more than 385 cryptocurrencies in real-time. Crypto data is gathered from some of the largest cryptocurrency exchanges, requested using HTTP GET and returned in straightforward JSON format.  

TraderMade

TraderMade is a foreign exchange rates and currency conversion API that offers a wide range of robust and cost-effective data solutions for business. This REST API has sub-second updates, multiple API end-points with comprehensive documentation  

PyPI

PyPI (Python Package Index) is a repository of software for the Python programming language. This currency converter uses historical rates against a euro currency. The default source of the PyPI currency convertor is the European Central Bank.  

Drupal

Drupal is an open-source community that is made for developers, designers, trainers, strategists, editors, and more. Its currency conversion module provides your website with currency information & metadata, and amount/price display functionality.  

IBAN

IBAN API is a part of Forex Reference Suite service for converting one currency into another It offers an easy way of converting currencies using the latest available conversion rates data.  

Fixer

Fixer is a simple and lightweight API for current and historical foreign exchange (forex) rates and currency conversion for 170 world currencies. This API is built on top of a powerful back-end infrastructure allowing for high availability and response times below 50ms for specific API requests.  

Interzoid Exchange Rate APIs

Interzoid Exchange Rate API is easy to integrate APIs that deliver currency rates and global currency conversion. Exchange rates from major currencies around the world provide international customers, Web site visitors, and application users a much richer and more localized experience dealing with commerce transactions and financial data.  

Informatica – Foreign Exchange Rates API

Informatica provides a currency conversion, exchange rates, and foreign exchange rates API. This API is compatible with any application and programming languages.  

Frankfurter

The Frankfurter API tracks foreign exchange reference rates published by the European Central Bank. The data refreshes around 16:00 CET every working day. It a free and open-source currency data API that integrates seamlessly with libraries like Money.js and Dinero.js.