Deletes a client.

Removes client record and all associated data. This action cannot be undone.

Request Parameters

Parameter Type Description Required
action string “DeleteClient” Required
clientid int The client id to be deleted Required
deleteusers bool Delete any users not associated with any other client. Optional
deletetransactions bool Delete all transactions on this account Optional

Response Parameters

Parameter Type Description
result string The result of the operation: success or error
clientid int The client id that was deleted

Example Request (CURL)

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, '');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS,
            'action' => 'DeleteClient',
            // See
            'username' => 'IDENTIFIER_OR_ADMIN_USERNAME',
            'password' => 'SECRET_OR_HASHED_PASSWORD',
            'clientid' => '1',
            'deleteusers' => false,
            'deletetransactions' => true,
            'responsetype' => 'json',
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$response = curl_exec($ch);

Example Request (Local API)

$command = 'DeleteClient';
$postData = array(
    'clientid' => '1',
    'deleteusers' => false,
    'deletetransactions' => true,
$adminUsername = 'ADMIN_USERNAME'; // Optional for WHMCS 7.2 and later

$results = localAPI($command, $postData, $adminUsername);

Example Response JSON

    "result": "success",
    "clientid": "1"

Error Responses

Possible error condition responses include:

  • Client ID Not Found
  • Client Delete Failed: xxxxxx

Version History

Version Changelog
1.0 Initial Version