API:Add Client

From WHMCS Documentation

This command is used to add a new client to your WHMCS system.

Attributes

firstname
lastname
companyname - optional
email
address1
address2 - optional
city
state
postcode
country - two letter ISO country code
phonenumber
password2 - password for the new user account

Example Command

$postfields["action"] = "addclient"; 
$postfields["firstname"] = "Test";
$postfields["lastname"] = "User";
$postfields["companyname"] = "WHMCS";
$postfields["email"] = "demo@whmcs.com";
$postfields["address1"] = "123 Demo Street";
$postfields["city"] = "Demo";
$postfields["state"] = "Florida";
$postfields["postcode"] = "AB123";
$postfields["country"] = "US";
$postfields["phonenumber"] = "123456789";
$postfields["password2"] = "demo";

Returned Variables

clientid - the id of the new user