How can I make a JSON POST request with LWP?

Question

If you try to login at https://orbit.theplanet.com/Login.aspx?url=/Default.aspx (use any username/password combination), you can see that the login credentials are sent as a

Answer 1

If you really want to use WWW::Mechanize you can set the header 'content-type' before post

$mech->add_header( 
'content-type' => 'application/json'
);

$mech->post($uri, Content => $json);