diff --git a/app/code/Magento/Quote/Model/Quote/Item/CartItemOptionsProcessor.php b/app/code/Magento/Quote/Model/Quote/Item/CartItemOptionsProcessor.php
index bf9a49bac909c..3a978b75cc7ee 100644
--- a/app/code/Magento/Quote/Model/Quote/Item/CartItemOptionsProcessor.php
+++ b/app/code/Magento/Quote/Model/Quote/Item/CartItemOptionsProcessor.php
@@ -7,6 +7,9 @@
 
 use Magento\Quote\Api\Data\CartItemInterface;
 
+/**
+ * @api
+ */
 class CartItemOptionsProcessor
 {
     /**