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Userinfo.io API - Followers

Userinfo.io is a service that retrieves the IP and geolocation info on users. The website offers an embeddable JavaScript library, as well as the functionally to call the API directly from within a browser. Calls to the API will return JSONP responses and can retrieve the latitude and longitude, country, city, and IP address of a user. The data returned comes with a ~99.9% accuracy for determining continent and country of origin, and a ~50% accuracy when determining the exact positioning and cities within most developed countries. The service and JavaScript library are free to integrate into existing web applications. Userinfo.io can also be used as an Asynchronous Module Definition (AMD). Userinfo.io is developed and maintained by Vincent Durmont.