~$ curl http://api.db-ip.com/v2/free/141.35.135.194
{
    "ipAddress": "141.35.135.194",
	"continentCode": "EU",
	"continentName": "Europe",
	"countryCode": "DE",
	"countryName": "Germany",
	"stateProv": "Thuringia",
	"city": "Jena",
}

~$ curl http://api.db-ip.com/v2/free/141.35.135.194/countryName
Germany

The free API is limited to 1,000 daily requests and returns city level location data only, if you require larger query volumes or more information such as latitude/longitude, ISP details or threat level assessment, please see our commercial offers.