API:Update Client

From WHMCS Documentation

This command is used to update the details of a client in your WHMCS system. You just need to send the clientid and the attributes from below that you want to change. You do not need to send them all.

Attributes

firstname
lastname
companyname
email
address1
address2
city
state
postcode
country - two letter ISO country code
phonenumber
password2
credit - credit balance
taxexempt - true to enable
notes
cardtype - visa, mastercard, etc...
cardnum - cc number
expdate - cc expiry date
startdate - cc start date
issuenumber - cc issue number
language - default language
status - active or inactive

Example Command

$postfields["action"] = "updateclient";
$postfields["clientid"] = "1";
$postfields["status"] = "Inactive";

Returned Variables

clientid - the id of the user updated