Open Exchange Rates provides a simple, lightweight and portable JSON API with live and historical foreign exchange rates for more than 200...
Starting from $12.99/month
Best Fixer Alternatives ranked by AI · updated Aug 2026
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Fixer is a currency exchange-rate API offering live rates, conversion, historical data, and time-series queries. It is built for developers who need a familiar, documented service for financial applications and international pricing workflows.
Top 6 Fixer alternatives
ExchangeRate-API is a reliable currency exchange rate API that provides real-time and historical foreign exchange rates.
Starting from $9.99 per month
CurrencyStack is a REST API for live, historical, and conversion-based foreign exchange data. It is designed for developers building financial, ecommerce, accounting,...
Pros
- Provides live and historical exchange-rate endpoints
- Returns data in a developer-friendly JSON format
- Supports currency conversion for international applications
Cons
- Less established than ExchangeRate-API or Open Exchange Rates
- Free-plan limits may be restrictive for production traffic
- Advanced data coverage and support are less documented than larger providers
Freemium, paid plans from $9.99/mo
CurrencyFreaks provides APIs for live and historical foreign-exchange rates, currency conversion, and time-series data. It is aimed at developers building financial, travel,...
Pros
- Includes live, historical, and conversion endpoints
- Simple REST API with JSON responses
- Supports a broad selection of currencies and fiat-to-crypto use cases
Cons
- Free quota is typically smaller than Freecurrencyapi's allowance
- Less ecosystem recognition than ExchangeRate-API or Open Exchange Rates
- Update frequency depends heavily on the selected plan
Freemium, paid plans from $9.99/mo
Currencyapi provides REST APIs for live, historical, and converted foreign-exchange rates. It is designed for developers building finance, ecommerce, accounting, and international...
Pros
- Provides live, historical, and time-series exchange-rate endpoints
- Simple REST interface suited to quick integrations
- Supports currency conversion and multiple output formats
Cons
- Free usage limits are tighter than some no-key public APIs
- Coverage and data depth may be less extensive than institutional FX providers
- Advanced features and higher request volumes require a paid plan
Free tier; paid plans available
Freecurrencyapi provides REST APIs for retrieving current and historical foreign-exchange rates and converting currencies. It is aimed at developers building fintech, e-commerce,...
Pros
- Generous free tier compared with many commercial currency APIs
- Simple REST and JSON interface suitable for quick integrations
- Supports current, historical, and currency-conversion requests
Cons
- Less extensive market-data coverage than Open Exchange Rates
- Free-tier quotas and rate limits can restrict high-volume applications
- Fewer enterprise features and support options than larger API providers
Freemium, paid plans from $9/mo
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