diff --git a/modules/gateways/callback/hutko.php b/modules/gateways/callback/hutko.php
new file mode 100644
index 0000000..64b7fbc
--- /dev/null
+++ b/modules/gateways/callback/hutko.php
@@ -0,0 +1,69 @@
+<?php
+
+// Require libraries needed for gateway module functions.
+require_once __DIR__ . '/../../../init.php';
+require_once __DIR__ . '/../../../includes/gatewayfunctions.php';
+require_once __DIR__ . '/../../../includes/invoicefunctions.php';
+require_once __DIR__ . '/../../../modules/gateways/hutko/hutko_helper.php';
+
+// Detect module name from filename.
+$gatewayModuleName = basename(__FILE__, '.php');
+
+// Fetch gateway configuration parameters.
+$gatewayParams = getGatewayVariables($gatewayModuleName);
+
+// Die if module is not active.
+if (!$gatewayParams['type']) {
+    die("Module Not Activated");
+}
+
+// signature verified - we can trust this data
+$calbackContent = Hutko_Helper::getCallbackContent($gatewayParams);
+$order_id = explode(Hutko_Helper::ORDER_SEPARATOR, $calbackContent["order_id"]);
+$invoiceId = $order_id[0];
+$paymentAmount = round($calbackContent["amount"] / 100, 2);
+$itIsServerCallback = isset($_GET['callbackMode']) && $_GET['callbackMode'] == 'server';
+
+
+
+
+switch ($calbackContent['order_status']) {
+    case Hutko_Helper::ORDER_APPROVED:
+        $transactionStatus = 'success';
+        break;
+    case Hutko_Helper::ORDER_DECLINED:
+        $transactionStatus = 'failure';
+        break;
+    default:
+        $transactionStatus = 'unhandled hutko order status';
+        break;
+}
+
+
+$invoiceId = checkCbInvoiceID($invoiceId, $gatewayParams['name']);
+
+checkCbTransID($calbackContent["order_id"]);
+
+logTransaction($gatewayParams['name'], $calbackContent, $transactionStatus);
+$paymentSuccess = false;
+
+if ($transactionStatus === 'success' && $itIsServerCallback) {
+    addInvoicePayment(
+        $invoiceId,
+        $calbackContent["order_id"],
+        $paymentAmount,
+        0,
+        $gatewayModuleName
+    );
+}
+
+//if no errors and this is server to server callback - return 200 response, no redirect needed
+if ($itIsServerCallback) {
+    http_response_code(200);
+    exit;
+}
+
+
+
+// redirect user to invoice page
+callback3DSecureRedirect($invoiceId, $transactionStatus === 'success');