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 ExchangeRate.host Alternatives ranked by AI · updated Aug 2026
ExchangeRate.host is a web API for current and historical foreign-exchange rates, conversion, and time-series queries. It is designed for developers who want a lightweight endpoint with broad currency coverage and a simple response format.
Top 6 ExchangeRate.host alternatives
Exchange Rates API is a REST service for developers who need current and historical foreign-exchange rates in applications. It provides JSON responses,...
Pros
- Simple REST and JSON interface for common currency-conversion workflows
- Includes historical rates and time-series data
- Supports many currencies and multiple subscription tiers
Cons
- Free plan has a low request allowance compared with some competitors
- Several useful features require a paid plan
- Base-currency and update-frequency limits vary by plan
Free tier; paid plans from $14.99/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
CurrencyLayer provides JSON APIs for live and historical exchange rates, currency conversion, and supported-currency listings. It targets developers integrating foreign-exchange data into...
Pros
- Simple endpoints are easy to add to existing applications
- Offers live rates, conversion, and historical data
- Established Apilayer infrastructure and documentation
Cons
- Free plan is much smaller than Freecurrencyapi's free allowance
- HTTPS and several production capabilities may require payment
- Fewer advanced data features than Open Exchange Rates
Freemium, paid plans from $14.99/mo
FXRatesAPI is a REST API for retrieving foreign-exchange rates and performing currency conversions. It is designed for developers building finance, ecommerce, accounting,...
Pros
- Simple REST interface for exchange-rate lookups and conversions
- Suitable for lightweight currency features in web and mobile applications
- Supports common fiat-currency integration workflows
Cons
- Less established ecosystem than Fixer or Open Exchange Rates
- Documentation and historical-data depth may be narrower than larger providers
- Free usage limits may be restrictive for production workloads
Free tier; paid plans available
6
Frankfurter
European Central Bank data community
Frankfurter is a free, open-source currency-conversion service built around European Central Bank reference rates. It is aimed at developers and technically minded...
Pros
- Free and open source, unlike most consumer finance services
- Provides a straightforward API for applications and automation
- Good for transparent reference-rate calculations
Cons
- Less polished for everyday mobile use than Valuta+
- Coverage and update frequency differ from commercial providers
- Not a money-transfer service or banking account
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