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+++ title = "AddTransaction" toc = true +++

Add a transaction to the system

Request Parameters

Parameter Type Description Required
action string "AddTransaction" Required
paymentmethod string The payment method of the transaction in system format Required
userid int The ID of the user to apply the transaction to Optional
invoiceid int The ID of the invoice the transaction is for Optional
transid string The unique transaction id for this payment Optional
date string The date of the transaction in your Localisation Format (eg DD/MM/YYYY) Optional
currencyid int The currency id for the transaction if not associated with a user Optional
description string The description of the transaction Optional
amountin float The amount received by the payment Optional
fees float The amount of fee charged on the transaction by the merchant - This can be negative Optional
amountout float The amount paid out by the payment Optional
rate float The exchange rate for the payment based on the default currency Optional
credit bool Should the payment be applied to credit on the client account. Invoice ID must not be provided. Optional
allowduplicatetransid bool Should an already existing transaction id be allowed. Defaults to false. Optional

Response Parameters

Parameter Type Description
result string The result of the operation: success or error

Example Request (CURL)

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://www.example.com/includes/api.php');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS,
    http_build_query(
        array(
            'action' => 'AddTransaction',
            // See https://developers.whmcs.com/api/authentication
            'username' => 'IDENTIFIER_OR_ADMIN_USERNAME',
            'password' => 'SECRET_OR_HASHED_PASSWORD',
            'paymentmethod' => 'paypal',
            'userid' => '1',
            'transid' => 'FJWEK32DWO329JFW',
            'date' => '01/01/2016',
            'description' => 'A sample API payment',
            'amountin' => '10.00',
            'fees' => '0.89',
            'rate' => '1.00000',
            'responsetype' => 'json',
        )
    )
);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$response = curl_exec($ch);
curl_close($ch);

Example Request (Local API)

$command = 'AddTransaction';
$postData = array(
    'paymentmethod' => 'paypal',
    'userid' => '1',
    'transid' => 'FJWEK32DWO329JFW',
    'date' => '01/01/2016',
    'description' => 'A sample API payment',
    'amountin' => '10.00',
    'fees' => '0.89',
    'rate' => '1.00000',
);
$adminUsername = 'ADMIN_USERNAME'; // Optional for WHMCS 7.2 and later

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

Example Response JSON

{
    "result": "success"
}

Error Responses

Possible error condition responses include:

  • Client ID Not Found
  • Invoice ID Not Found
  • User ID does not own the given Invoice ID
  • Currency ID Not Found
  • Currency ID does not match Client currency
  • A Currency ID is required for non-customer related transactions
  • Payment Method is required
  • Transaction ID must be Unique

Version History

Version Changelog
1.0 Initial Version