Sites and apps similar to Fixer.io include exchangeratesapi.io, which is open source with a free version. Other options are Exchange-RateAPI, Unirate API, ExchangeRate-API and xChangeApi. You can choose from more than 10 sites and apps like Fixer.io for self-hosting.
Foreign exchange rates API with currency conversion.
Exchange rates API is a free service for current and historical foreign exchange rates published by the European Central Bank.
Fully Fixer.io compatible with JSON & CORS support.
Exchange-RateAPI is a real-time currency exchange rate API for developers, providing live and historical rates for 160+ currencies sourced from Reuters/Refinitiv and interbank feeds, updated continuously.
United Kingdom
UniRateAPI offers a free API providing real-time exchange rates for over 590 currencies, including cryptocurrencies, with unlimited requests and simple integration.
ExchangeRate-API is an easy to use HTTP API for e-commerce & other websites to show pricing data in different currencies. It's been running since 2010 and offers both free and paid plans.
Currency Layer data services are delivered in JSON format which is known for easy assimilation, interoperability with a variety of applications, & the highest usability. You will also get additional features like switching the exchange rate API.
Austria
EU
AllRatesToday is a real-time exchange rate API for developers, delivering mid-market rates for 160+ currencies sourced from Reuters/Refinitiv and updated continuously. It provides historical data, currency conversion, low-latency delivery via Cloudflare's edge network, and...
Free, hourly-updated exchange rates and currency data - a simple, accurate, easy-to-integrate JSON API with great documentation. Free for personal use, a bargain for everybody else.
Currencyapi.com is a service that provides real-time exchange rate data for currencies around the world. It offers a wide range of features and functionality to help businesses and developers integrate currency data into their applications and systems.
Real-time JSON and WebSocket API covering 160+ currencies, 500+ cryptocurrencies, 2,300+ FX pairs, and 40+ metal instruments. Provides conversion, bid/ask quotes, OHLC and time-series data, 55+ years of history, and native MCP access for AI agents.
United Kingdom
