1. I can get the IP address, preferred languages (from header <code>Accept-Language</code>)<br> and system infos (from header <code>User-Agent</code>) for my device.
<h3>Example Usage:</h3>
<p>
[base url]/api/whoami
</p>
<h3>Example Output:</h3>
<p>
<code>{"ipaddress":"::ffff:159.20.14.100","language":"en-US,en;q=0.5",<br>"software":"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:50.0) Gecko/20100101 Firefox/50.0"}</code>