Install XML-RPC for Textpattern 4.0.x
XML-RPC is an integral part of Textpattern, but initially disabled. To enable XML-RPC, log in to the admin side with publisher privileges and visit the “Advanced” page in the “Admin > Preferences” tab. Set “Enable XML-RPC server?” to “Yes” and hit “Save”.
Configure your client
|User||Your Textpattern user login|
|Password||Your Textpattern user password|