id is the short URL that expands to the long URL you provided. If your request includes
an auth token, then this URL will be unique. If not, then it might be reused from a previous
request to shorten the same URL.
longURL - longUrl is the long URL to which it expands. In most cases, this will be the
same as the URL you provided. In some cases, the server may canonicalize the URL. For instance,
if you pass http://www.google.com, the server will add a trailing slash.