diff --git a/src/Model/ProductType/ProductType.php b/src/Model/ProductType/ProductType.php
index 3a600a2ca8..3269b75d33 100644
--- a/src/Model/ProductType/ProductType.php
+++ b/src/Model/ProductType/ProductType.php
@@ -25,6 +25,8 @@
  * @method ProductType setDescription(string $description = null)
  * @method AttributeDefinitionCollection getAttributes()
  * @method ProductType setAttributes(AttributeDefinitionCollection $attributes = null)
+ * @method string getKey()
+ * @method ProductType setKey(string $key = null)
  */
 class ProductType extends Resource
 {
@@ -44,6 +46,7 @@ public function fieldDefinitions()
                 static::TYPE => '\DateTime',
                 static::DECORATOR => '\Commercetools\Core\Model\Common\DateTimeDecorator'
             ],
+            'key' => [static::TYPE => 'string'],
             'name' => [static::TYPE => 'string'],
             'description' => [static::TYPE => 'string'],
             'attributes' => [static::TYPE => '\Commercetools\Core\Model\ProductType\AttributeDefinitionCollection']
diff --git a/src/Model/ProductType/ProductTypeDraft.php b/src/Model/ProductType/ProductTypeDraft.php
index 853dfd3d79..f326b7da36 100644
--- a/src/Model/ProductType/ProductTypeDraft.php
+++ b/src/Model/ProductType/ProductTypeDraft.php
@@ -17,6 +17,8 @@
  * @method ProductTypeDraft setDescription(string $description = null)
  * @method AttributeDefinitionCollection getAttributes()
  * @method ProductTypeDraft setAttributes(AttributeDefinitionCollection $attributes = null)
+ * @method string getKey()
+ * @method ProductTypeDraft setKey(string $key = null)
  */
 class ProductTypeDraft extends JsonObject
 {
@@ -24,6 +26,7 @@ public function fieldDefinitions()
     {
         return [
             'name' => [static::TYPE => 'string'],
+            'key' => [static::TYPE => 'string'],
             'description' => [static::TYPE => 'string'],
             'attributes' => [static::TYPE => '\Commercetools\Core\Model\ProductType\AttributeDefinitionCollection'],
         ];
diff --git a/src/Request/ProductTypes/Command/ProductTypeSetKeyAction.php b/src/Request/ProductTypes/Command/ProductTypeSetKeyAction.php
new file mode 100644
index 0000000000..bf14ef68ce
--- /dev/null
+++ b/src/Request/ProductTypes/Command/ProductTypeSetKeyAction.php
@@ -0,0 +1,48 @@
+<?php
+/**
+ * @author @jayS-de <jens.schulze@commercetools.de>
+ */
+
+namespace Commercetools\Core\Request\ProductTypes\Command;
+
+use Commercetools\Core\Model\Common\Context;
+use Commercetools\Core\Request\AbstractAction;
+
+/**
+ * @package Commercetools\Core\Request\ProductTypes\Command
+ * @link https://dev.commercetools.com/http-api-projects-productTypes.html#set-key
+ * @method string getAction()
+ * @method ProductTypeSetKeyAction setAction(string $action = null)
+ * @method string getKey()
+ * @method ProductTypeSetKeyAction setKey(string $key = null)
+ */
+class ProductTypeSetKeyAction extends AbstractAction
+{
+    public function fieldDefinitions()
+    {
+        return [
+            'action' => [static::TYPE => 'string'],
+            'key' => [static::TYPE => 'string']
+        ];
+    }
+
+    /**
+     * @param array $data
+     * @param Context|callable $context
+     */
+    public function __construct(array $data = [], $context = null)
+    {
+        parent::__construct($data, $context);
+        $this->setAction('setKey');
+    }
+
+    /**
+     * @param string $name
+     * @param Context|callable $context
+     * @return ProductTypeSetKeyAction
+     */
+    public static function ofKey($key, $context = null)
+    {
+        return static::of($context)->setKey($key);
+    }
+}
diff --git a/tests/fixtures/models.yaml b/tests/fixtures/models.yaml
index f34e8c1d29..b863a4ab77 100644
--- a/tests/fixtures/models.yaml
+++ b/tests/fixtures/models.yaml
@@ -749,6 +749,7 @@ productType:
     - version
     - createdAt
     - lastModifiedAt
+    - key
     - name
     - description
     - attributes
@@ -757,6 +758,7 @@ productTypeDraft:
   domain: productType
   model: ProductTypeDraft
   fields:
+    - key
     - name
     - description
     - attributes