Best fxAPI Alternatives ranked by AI · updated Aug 2026

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fxAPI is a REST API for current and historical foreign-exchange rates, currency conversion, and related currency data. It is aimed at developers building finance, ecommerce, accounting, and international pricing applications.

Developer: FXAPI Price: Freemium, paid plans vary 🎯 fxapi.com

🔌 API Currency Exchange Forex financial data

Top 6 fxAPI alternatives

Fixer

Apilayer

💡 Pick Fixer for a mature, well-documented exchange-rate API with broad historical-data support.

Fixer is a currency exchange-rate API offering live rates, conversion, historical data, and time-series queries. It is built for developers who need...

Pros

Well-known API with straightforward REST endpoints
Provides live, historical, and time-series exchange-rate data
Good documentation and common language-library integrations

Cons

Free plan is substantially more restrictive than Freecurrencyapi
HTTPS access and update frequency may depend on the paid tier
Base-currency limitations can affect free-plan integrations

Freemium, paid plans from $14.99/mo

Alternatives to Fixer → Visit site

ExchangeRate-API

💡 Choose it for a simple integration and a practical free tier for prototypes or smaller applications.

ExchangeRate-API is a reliable currency exchange rate API that provides real-time and historical foreign exchange rates.

Starting from $9.99 per month

Alternatives to ExchangeRate-API → Visit site

Open Exchange Rates

💡 Pick it when you need an established provider with live, historical, and time-series exchange-rate endpoints.

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

Alternatives to Open Exchange Rate... → Visit site

CurrencyFreaks

💡 Choose CurrencyFreaks for broad currency coverage at a relatively low entry price.

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

Alternatives to CurrencyFreaks → Visit site

CurrencyLayer

Apilayer

💡 Pick Currencylayer for a compact Apilayer API that covers standard live and historical conversion needs.

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

Alternatives to CurrencyLayer → Visit site

Frankfurter

European Central Bank data community

💡 Choose it for a free, open-source API when daily ECB reference rates are sufficient.

Frankfurter is a free, open-source currency-conversion service built around European Central Bank reference rates. It is aimed at developers and technically minded...