Create user session
documentedLog a user in and obtain a session.
POST /api/v2/user/sessionUserno implementation yet0 runsInput
domain*
WHMCS Installation Domain
e.g. your-whmcs-install.com
email*
WHMCS User Email
user@example.com
password*
WHMCS User Password
your password
Calls whmcs as you (your API key is your account); keychains.dev holds the credentials.