Here are all the pages you can request using command-line tools (such as curl):

getip.ovh/txt -> Your IP address in raw format.
getip.ovh/txt/more -> This current page.
getip.ovh/txt/detailed -> A detailed page that contain all your connection details.
getip.ovh/txt/hostname -> Your IP address reverse DNS in raw format.
getip.ovh/txt/protocol -> The IP protocol version used to make the connection.
getip.ovh/txt/proxy -> Return true if a proxy is detected or false if not.
getip.ovh/txt/proxy/ip -> The proxy server IP address.
getip.ovh/txt/proxy/hostname -> The reverse DNS of the proxy server IP address.
getip.ovh/txt/proxy/protocol -> The IP protocol version for the forwarded connection.
getip.ovh/txt/country -> The country associated with your IP address.
getip.ovh/txt/country_code -> The country code associated with your IP address country.
getip.ovh/txt/city -> The city associated with your IP address.
getip.ovh/txt/postal_code -> The postal code associated with your IP address.
getip.ovh/txt/latitude -> The latitude position associated with your IP address.
getip.ovh/txt/longitude -> The longitude position associated with your IP address.
getip.ovh/txt/tor_exit -> Return true if your IP address is a Tor exit node or false if not.
getip.ovh/txt/asn -> The ASN that own your IP address.
getip.ovh/txt/asn_organization -> The ASN organization that own your IP address.
getip.ovh/txt/tls_version -> The TLS version used to make the connection.
getip.ovh/txt/tls_cipher -> The TLS cipher used to make the connection.
getip.ovh/txt/ua -> Your client user-agent.
getip.ovh/txt/language -> Your client accepted languages.
getip.ovh/txt/ping -> A ping to your IP address.