diff --git a/paynl_paymentmethods/controllers/front/payment.php b/paynl_paymentmethods/controllers/front/payment.php
index 6b277a3..1cd98e5 100644
--- a/paynl_paymentmethods/controllers/front/payment.php
+++ b/paynl_paymentmethods/controllers/front/payment.php
@@ -130,14 +130,14 @@ public function initContent()
             }
 
             $arrEnduser['emailAddress'] = $customer->email;
-
+            $arrEnduser['gender'] = $customer->id_gender == 2 ? 'F' : 'M';
 
             // delivery address
             $arrAddress = array();
             $strAddress = $deliveryAddress->address1 . $deliveryAddress->address2;
             $arrStreetHouseNr = Pay_Helper::splitAddress($strAddress);
             $arrAddress['streetName'] = $arrStreetHouseNr[0];
-            $arrAddress['streetNumber'] = $arrStreetHouseNr[1];
+            $arrAddress['streetNumber'] = !empty($arrStreetHouseNr[1]) ? substr($arrStreetHouseNr[1],0,44) : '';
             $arrAddress['zipCode'] = $deliveryAddress->postcode;
             $arrAddress['city'] = $deliveryAddress->city;
             $country = new Country($deliveryAddress->id_country);
@@ -153,7 +153,7 @@ public function initContent()
             $strAddress = $invoiceAddress->address1 . $invoiceAddress->address2;
             $arrStreetHouseNr = Pay_Helper::splitAddress($strAddress);
             $arrAddress['streetName'] = $arrStreetHouseNr[0];
-            $arrAddress['streetNumber'] = $arrStreetHouseNr[1];
+            $arrAddress['streetNumber'] = !empty($arrStreetHouseNr[1]) ? substr($arrStreetHouseNr[1],0,44) : '';
             $arrAddress['zipCode'] = $invoiceAddress->postcode;
             $arrAddress['city'] = $invoiceAddress->city;
             $country = new Country($invoiceAddress->id_country);
@@ -211,18 +211,17 @@ public function initContent()
             $description = trim($description);
             $apiStart->setDescription($description);
             $apiStart->setExtra1('CartId: ' . $cart->id);
+            $apiStart->setObject('prestashop16 ' . $module->getVersion());
+            $apiStart->setOrderNumber($cart->id);
 
             $apiStart->setPaymentOptionId($paymentOptionId);
 
             $finishUrl = Context::getContext()->link->getModuleLink('paynl_paymentmethods', 'return');
             $exchangeUrl = Context::getContext()->link->getModuleLink('paynl_paymentmethods', 'exchange');
 
-
             $apiStart->setFinishUrl($finishUrl);
             $apiStart->setExchangeUrl($exchangeUrl);
-
             $apiStart->setAmount(round($total * 100));
-
             $apiStart->setCurrency($currencyCode);
 
             $result = $apiStart->doRequest();
@@ -238,7 +237,6 @@ public function initContent()
 
             Tools::redirect($result['transaction']['paymentURL']);
 
-//$url = $paynl->startTransaction($cart);
         } catch (Exception $e) {
             echo $e->getMessage();
         }
diff --git a/paynl_paymentmethods/includes/classes/Pay/Api/Start.php b/paynl_paymentmethods/includes/classes/Pay/Api/Start.php
index 9a8a6e6..5539d81 100644
--- a/paynl_paymentmethods/includes/classes/Pay/Api/Start.php
+++ b/paynl_paymentmethods/includes/classes/Pay/Api/Start.php
@@ -24,9 +24,10 @@ class Pay_Api_Start extends Pay_Api {
     private $_info;
     private $_tool;
     private $_object;
+    private $_ordernumber;
     private $_domainId;
     private $_transferData;
-    
+
     private $_products = array();
 
     public function setCurrency($currency){
@@ -44,7 +45,10 @@ public function setTool($tool){
     public function setObject($object){
         $this->_object = $object;
     }
- 
+    public function setOrderNumber($ordernumber) {
+        $this->_ordernumber = $ordernumber;
+    }
+
     public function setTransferData($transferData){
         $this->_transferData = $transferData;
     }
@@ -232,11 +236,12 @@ protected function _getPostData() {
         if (!empty($this->_exchangeUrl)) {    
             $data['transaction']['orderExchangeUrl'] = $this->_exchangeUrl;
         }
-
         if (!empty($this->_description)) {
             $data['transaction']['description'] = $this->_description;
         }
-
+        if (!empty($this->_ordernumber)) {
+            $data['transaction']['orderNumber'] = $this->_ordernumber;
+        }
         if (!empty($this->_paymentOptionSubId)) {
             $data['paymentOptionSubId'] = $this->_paymentOptionSubId;
         }
@@ -270,6 +275,7 @@ protected function _getPostData() {
             $data['enduser'] = $this->_enduser;
         }
 
+
          if (!empty($this->_extra1)) {
             $data['statsData']['extra1'] = $this->_extra1;
         }
diff --git a/paynl_paymentmethods/includes/classes/Pay/Helper/Transaction.php b/paynl_paymentmethods/includes/classes/Pay/Helper/Transaction.php
index 69a9afc..2124494 100644
--- a/paynl_paymentmethods/includes/classes/Pay/Helper/Transaction.php
+++ b/paynl_paymentmethods/includes/classes/Pay/Helper/Transaction.php
@@ -67,15 +67,8 @@ public static function processTransaction($transactionId, $dry_run = false)
             throw new Pay_Exception_Notice('Status already processed');
         }
 
-        //update the transaction state
-        self::updateTransactionState($transactionId, $stateText);
-
-        $statusPaid    = Configuration::get('PAYNL_SUCCESS');
-        $statusCancel  = Configuration::get('PAYNL_CANCEL');
-
-
         if ($stateText == 'PAID') {
-            $id_order_state = $statusPaid;
+            $id_order_state = Configuration::get('PAYNL_SUCCESS');
 
             /** @var CartCore $cart */
             $cart     = new Cart($cartId);
@@ -97,11 +90,8 @@ public static function processTransaction($transactionId, $dry_run = false)
             $cart->save();
 
             $paymentMethodName = $module->getPaymentMethodName($transaction['option_id']);
-
-
             $paidAmount = $transactionAmount / 100;
 
-
             $module->validateOrderPay((int)$cart->id, $id_order_state, $paidAmount, $extraFee, $paymentMethodName, null,
                 array('transaction_id' => $transactionId), (int)$objCurrency->id, false, $customer->secure_key);
 
@@ -121,11 +111,13 @@ public static function processTransaction($transactionId, $dry_run = false)
                 $objOrder          = new Order($real_order_id);
                 $history           = new OrderHistory();
                 $history->id_order = (int)$objOrder->id;
-                $history->changeIdOrderState((int)$statusCancel, $objOrder);
+                $history->changeIdOrderState((int)Configuration::get('PAYNL_CANCEL'), $objOrder);
                 $history->addWithemail();
             }
         }
 
+        self::updateTransactionState($transactionId, $stateText);
+
         $real_order_id = Order::getOrderByCartId($cartId);
         return array(
             'orderId'       => $orderId,
diff --git a/paynl_paymentmethods/paynl_paymentmethods.php b/paynl_paymentmethods/paynl_paymentmethods.php
index 84ba9c1..561bc6b 100644
--- a/paynl_paymentmethods/paynl_paymentmethods.php
+++ b/paynl_paymentmethods/paynl_paymentmethods.php
@@ -34,6 +34,11 @@ public function __construct()
         }
     }
 
+    public function getVersion()
+    {
+      return $this->version;
+    }
+
     public function getHighestVatRate(Cart $cart){
         $highestVatRate = 0;
         $products = $cart->getProducts();