diff --git a/samples/exchange.php b/samples/exchange.php
index a63f5c7a..944a9ef6 100644
--- a/samples/exchange.php
+++ b/samples/exchange.php
@@ -21,12 +21,27 @@
 
 try {
     $transaction = \Paynl\Transaction::getForExchange();
+    if($transaction->isBeingVerified()){
+        // here you can do your own checks en approve or decline the order yourself
+        // we stop the script after approving or declining, because a new exchange call will follow after declining or approving.
+        // the status of the new exchange call will be paid (approved) or canceled (declined)
+        $approved = false; // use your own function to determine if this should be true or false.
+        $declined = false; // use your own function to determine if this should be true or false.
+        if($approved){
+            $transaction->approve();
+            die("TRUE| Transaction approved");
+        } elseif($declined) {
+            $transaction->decline();
+            die("TRUE| Transaction declined");
+        }
+    }
 
     if ($transaction->isPaid()) {
         // process the payment
     } elseif ($transaction->isCanceled()) {
         // payment canceled, restock items
     }
+
 // always start your response with TRUE|
     echo "TRUE| ";
 // Optionally you can send a message after TRUE|, you can view these messages in the logs. https://admin.pay.nl/logs/payment_state
diff --git a/src/Api/Transaction/Approve.php b/src/Api/Transaction/Approve.php
new file mode 100644
index 00000000..1432764e
--- /dev/null
+++ b/src/Api/Transaction/Approve.php
@@ -0,0 +1,70 @@
+<?php
+/*
+ * Copyright (C) 2015 Andy Pieters <andy@pay.nl>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Paynl\Api\Transaction;
+
+use Paynl\Error;
+/**
+ * Description of Approve
+ *
+ * @author Andy Pieters <andy@pay.nl>
+ */
+class Approve extends Transaction
+{
+    protected $apiTokenRequired = true;
+    protected $serviceIdRequired = false;
+
+    /**
+     * @var string
+     */
+    private $transactionId;
+
+    /**
+     * Get data to send to the api
+     *
+     * @return array
+     * @throws Error\Required
+     */
+    protected function getData() {
+        if(empty($this->transactionId)){
+            throw new Error\Required('TransactionId is niet geset');
+        }
+        $this->data['orderId'] = $this->transactionId;
+        return parent::getData();
+    }
+
+    /**
+     * Set the transactionId
+     *
+     * @param string $transactionId
+     */
+    public function setTransactionId($transactionId){
+        $this->transactionId = $transactionId;
+    }
+
+    /**
+     * Do the request
+     *
+     * @param null $endpoint
+     * @param null $version
+     * @return array the result
+     */
+    public function doRequest($endpoint = null, $version = null) {
+        return parent::doRequest('transaction/approve');
+    }
+}
\ No newline at end of file
diff --git a/src/Api/Transaction/Decline.php b/src/Api/Transaction/Decline.php
new file mode 100644
index 00000000..af13c3d5
--- /dev/null
+++ b/src/Api/Transaction/Decline.php
@@ -0,0 +1,70 @@
+<?php
+/*
+ * Copyright (C) 2015 Andy Pieters <andy@pay.nl>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Paynl\Api\Transaction;
+
+use Paynl\Error;
+/**
+ * Description of Approve
+ *
+ * @author Andy Pieters <andy@pay.nl>
+ */
+class Decline extends Transaction
+{
+    protected $apiTokenRequired = true;
+    protected $serviceIdRequired = false;
+
+    /**
+     * @var string
+     */
+    private $transactionId;
+
+    /**
+     * Get data to send to the api
+     *
+     * @return array
+     * @throws Error\Required
+     */
+    protected function getData() {
+        if(empty($this->transactionId)){
+            throw new Error\Required('TransactionId is niet geset');
+        }
+        $this->data['orderId'] = $this->transactionId;
+        return parent::getData();
+    }
+
+    /**
+     * Set the transactionId
+     *
+     * @param string $transactionId
+     */
+    public function setTransactionId($transactionId){
+        $this->transactionId = $transactionId;
+    }
+
+    /**
+     * Do the request
+     *
+     * @param null $endpoint
+     * @param null $version
+     * @return array the result
+     */
+    public function doRequest($endpoint = null, $version = null) {
+        return parent::doRequest('transaction/decline');
+    }
+}
\ No newline at end of file
diff --git a/src/Result/Transaction/Transaction.php b/src/Result/Transaction/Transaction.php
index 0d2c9def..116a5f8d 100644
--- a/src/Result/Transaction/Transaction.php
+++ b/src/Result/Transaction/Transaction.php
@@ -19,7 +19,7 @@
 namespace Paynl\Result\Transaction;
 
 use Paynl\Result\Result;
-
+use Paynl\Error\Error;
 /**
  * Description of Transaction
  *
@@ -183,4 +183,27 @@ public function getExtra3()
         return $this->data['statsDetails']['extra3'];
     }
 
+    private function _reload(){
+        $result = \Paynl\Transaction::get($this->getId());
+        $this->data = $result->getData();
+    }
+
+    public function approve(){
+        if($this->isBeingVerified()){
+            \Paynl\Transaction::approve($this->getId());
+            $this->_reload(); //status is changed, so refresh the object
+        } else {
+            throw new Error("Cannot approve transaction because it does not have the status 'verify'");
+        }
+    }
+
+    public function decline(){
+        if($this->isBeingVerified()){
+            \Paynl\Transaction::decline($this->getId());
+            $this->_reload();//status is changed, so refresh the object
+        } else {
+            throw new Error("Cannot decline transaction because it does not have the status 'verify'");
+        }
+    }
+
 }
diff --git a/src/Transaction.php b/src/Transaction.php
index 91b6840b..b6acf919 100644
--- a/src/Transaction.php
+++ b/src/Transaction.php
@@ -258,4 +258,17 @@ public static function refund($transactionId, $amount = null,
 
         return new Result\Refund($result);
     }
+    public static function approve($transactionId){
+        $api = new Api\Approve();
+        $api->setTransactionId($transactionId);
+        $result = $api->doRequest();
+        return $result['request']['result'] == 1;
+    }
+
+    public static function decline($transactionId){
+        $api = new Api\Decline();
+        $api->setTransactionId($transactionId);
+        $result = $api->doRequest();
+        return $result['request']['result'] == 1;
+    }
 }