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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.
Ipwhois.io - cheapest commercial plan 250,000 requests/month for $10.99.
ipstack is a free, real-time IP address to location JSON API and database service supporting IPv4 and IPv6 lookup.
Ipstack- free (5,000 requests/month, cheapest paid plan 50,000 requests/month for $9.99).
Free IP Geolocation API and Accurate GeoIP Lookup Location Database
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Ipgeolocation.io - cheapest commercial plan 150,000 requests/month for $15.