Adds credit to a given client.

Request Parameters

Parameter Type Description Required
action string “AddCredit” Required
clientid int Required
description string Admin only notes for credit justification Required
amount float The amount of credit to add or remove. Must be a positive value. Required
date string The date the credit was added. YYYY-mm-dd format. Optional
adminid int The active admin id to be associated with the credit record. Defaults to current admin. Optional
type string Whether to add or remove credit. One of ‘add’ or ‘remove’ Optional

Response Parameters

Parameter Type Description
result string The result of the operation: success or error
newbalance float The new total credit balance

Example Request (CURL)

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, '');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS,
            'action' => 'AddCredit',
            // See
            'username' => 'IDENTIFIER_OR_ADMIN_USERNAME',
            'password' => 'SECRET_OR_HASHED_PASSWORD',
            'clientid' => '1',
            'description' => 'Adding funds via api',
            'amount' => '12.34',
            'adminid' => '1',
            'responsetype' => 'json',
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$response = curl_exec($ch);

Example Request (Local API)

$command = 'AddCredit';
$postData = array(
    'clientid' => '1',
    'description' => 'Adding funds via api',
    'amount' => '12.34',
    'adminid' => '1',
$adminUsername = 'ADMIN_USERNAME'; // Optional for WHMCS 7.2 and later

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

Example Response JSON

    "result": "success",
    "newbalance": "123.45"

Error Responses

Possible error condition responses include:

  • Type can only be add or remove
  • Client ID Not Found
  • Admin ID Not Found
  • No Amount Provided
  • Amount must be in decimal format: ### or ###.##
  • Date Format is not Valid

Version History

Version Changelog
1.0 Initial Version