Using Cloudflare: Cloudflare provides a simple way to get the user IP Address using the CloudFlare’s trace utility which returns a plain-text formatted data contains the IP Address of the user. Using Amazon: Amazon AWS also provide a similar way that help you retrieve the IP Address of a specific user. Using Greip Public API: Greip provides a FREE option that allows you to retrieve the IP Address of a specific user without the need to obtain an API Key. NOTE: This endpoint will be working for lifetime, so you can rely on it anytime. Using Greip API: Greip is another FREE option that allows you to retrieve the IP Address of a specific user along with the entire information related to that user like: location, currency, browser, security threats, etc.