ipinfo.io - Simple IP address information.

Fixer.io - Fixer provides a free, simple, and lightweight API for current and historical foreign exchange rates and currency conversion. The API tracks rates published daily by the European Central Bank.

ipwhois.io - ipwhois.io is an API that provides a users location (country, region, city, currency, currency symbol etc) based on their IP address. Get the accurate location information with our IP Lookup API and IP Location Database for any IP address.

exchangeratesapi.io - Foreign exchange rates API with currency conversion.

ipstack - ipstack is a free, real-time IP address to location JSON API and database service supporting IPv4 and IPv6 lookup.

Freecurrencyapi.com - Freecurrencyapi.com is a free, reliable & feature-complete currency exchange rates API. 32 world currencies & daily update rates.