ipstack - ipstack is a free, real-time IP address to location JSON API and database service supporting IPv4 and IPv6 lookup.
City Guesser - City Guesser is a GeoGuessr alternative that uses real city footage. Get dropped into a random city and use surroundings like moving vehicles, people walking, and language to help you guess your location.
ipapi - Web analytics with IP address lookup and location API
BigDataCloud.com - Essential APIs for eCommerce, ads, finance, CRM: IP Geolocation, Reverse Geocoding, Email/Phone Verification, Network APIs. Enhance user experience, data accuracy, and operational efficiency.
ipgeolocation.io - Free IP Geolocation API and Accurate GeoIP Lookup Location Database
GtaGuessr - Follow Franklin Clinton as he takes selfies around town and figure out where he's at