IP Sidekick is a geolocation API that returns information about an IP address. You can use it to customize your content based on the visitor's location or display their country.

$ curl https://ipsidekick.com/17.142.160.59 { "countryCode":"US", "ip":"17.142.160.59", "gmtOffset":"GMT-7:00", "country":"United States", "timeZoneName":"America/Los_Angeles", "holiday":"Independence Day" }