diff --git a/app/code/Magento/Quote/Model/Quote/Item.php b/app/code/Magento/Quote/Model/Quote/Item.php
index 2d6ff67018160..d14ae008ce407 100644
--- a/app/code/Magento/Quote/Model/Quote/Item.php
+++ b/app/code/Magento/Quote/Model/Quote/Item.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Quote\Model\Quote;
 
 use Magento\Framework\Api\AttributeValueFactory;
diff --git a/app/code/Magento/Quote/Model/Quote/Item/Processor.php b/app/code/Magento/Quote/Model/Quote/Item/Processor.php
index 2577008ecbae3..ef4b853862681 100644
--- a/app/code/Magento/Quote/Model/Quote/Item/Processor.php
+++ b/app/code/Magento/Quote/Model/Quote/Item/Processor.php
@@ -53,8 +53,8 @@ public function __construct(
     /**
      * Initialize quote item object
      *
-     * @param DataObject $request
      * @param Product $product
+     * @param DataObject $request
      *
      * @return Item
      */
@@ -97,6 +97,7 @@ public function prepare(Item $item, DataObject $request, Product $candidate): vo
         $item->addQty($candidate->getCartQty());
 
         $customPrice = $request->getCustomPrice();
+        $item->setPrice($candidate->getFinalPrice());
         if (!empty($customPrice)) {
             $item->setCustomPrice($customPrice);
             $item->setOriginalCustomPrice($customPrice);
diff --git a/app/code/Magento/Quote/Test/Unit/Model/Quote/Item/ProcessorTest.php b/app/code/Magento/Quote/Test/Unit/Model/Quote/Item/ProcessorTest.php
index a56de35b70f75..28890ba2a9b24 100644
--- a/app/code/Magento/Quote/Test/Unit/Model/Quote/Item/ProcessorTest.php
+++ b/app/code/Magento/Quote/Test/Unit/Model/Quote/Item/ProcessorTest.php
@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Quote\Test\Unit\Model\Quote\Item;
 
 use Magento\Catalog\Model\Product;
@@ -68,7 +70,9 @@ protected function setUp()
             ['create']
         );
 
-        $this->itemMock = $this->createPartialMock(\Magento\Quote\Model\Quote\Item::class, [
+        $this->itemMock = $this->createPartialMock(
+            \Magento\Quote\Model\Quote\Item::class,
+            [
                 'getId',
                 'setOptions',
                 '__wakeup',
@@ -76,8 +80,10 @@ protected function setUp()
                 'addQty',
                 'setCustomPrice',
                 'setOriginalCustomPrice',
-                'setData'
-            ]);
+                'setData',
+                'setprice'
+            ]
+        );
         $this->quoteItemFactoryMock->expects($this->any())
             ->method('create')
             ->will($this->returnValue($this->itemMock));
@@ -98,7 +104,13 @@ protected function setUp()
 
         $this->productMock = $this->createPartialMock(
             \Magento\Catalog\Model\Product::class,
-            ['getCustomOptions', '__wakeup', 'getParentProductId', 'getCartQty', 'getStickWithinParent']
+            [
+                'getCustomOptions',
+                '__wakeup',
+                'getParentProductId',
+                'getCartQty',
+                'getStickWithinParent',
+                'getFinalPrice']
         );
         $this->objectMock = $this->createPartialMock(
             \Magento\Framework\DataObject::class,
@@ -239,6 +251,7 @@ public function testPrepare()
         $customPrice = 400000000;
         $itemId = 1;
         $requestItemId = 1;
+        $finalPrice = 1000000000;
 
         $this->productMock->expects($this->any())
             ->method('getCartQty')
@@ -246,6 +259,9 @@ public function testPrepare()
         $this->productMock->expects($this->any())
             ->method('getStickWithinParent')
             ->will($this->returnValue(false));
+        $this->productMock->expects($this->once())
+            ->method('getFinalPrice')
+            ->will($this->returnValue($finalPrice));
 
         $this->itemMock->expects($this->once())
             ->method('addQty')
@@ -255,6 +271,9 @@ public function testPrepare()
             ->will($this->returnValue($itemId));
         $this->itemMock->expects($this->never())
             ->method('setData');
+        $this->itemMock->expects($this->once())
+            ->method('setPrice')
+            ->will($this->returnValue($this->itemMock));
 
         $this->objectMock->expects($this->any())
             ->method('getCustomPrice')
@@ -282,6 +301,7 @@ public function testPrepareWithResetCountAndStick()
         $customPrice = 400000000;
         $itemId = 1;
         $requestItemId = 1;
+        $finalPrice = 1000000000;
 
         $this->productMock->expects($this->any())
             ->method('getCartQty')
@@ -289,6 +309,9 @@ public function testPrepareWithResetCountAndStick()
         $this->productMock->expects($this->any())
             ->method('getStickWithinParent')
             ->will($this->returnValue(true));
+        $this->productMock->expects($this->once())
+            ->method('getFinalPrice')
+            ->will($this->returnValue($finalPrice));
 
         $this->itemMock->expects($this->once())
             ->method('addQty')
@@ -298,6 +321,9 @@ public function testPrepareWithResetCountAndStick()
             ->will($this->returnValue($itemId));
         $this->itemMock->expects($this->never())
             ->method('setData');
+        $this->itemMock->expects($this->once())
+            ->method('setPrice')
+            ->will($this->returnValue($this->itemMock));
 
         $this->objectMock->expects($this->any())
             ->method('getCustomPrice')
@@ -325,6 +351,7 @@ public function testPrepareWithResetCountAndNotStickAndOtherItemId()
         $customPrice = 400000000;
         $itemId = 1;
         $requestItemId = 2;
+        $finalPrice = 1000000000;
 
         $this->productMock->expects($this->any())
             ->method('getCartQty')
@@ -332,6 +359,9 @@ public function testPrepareWithResetCountAndNotStickAndOtherItemId()
         $this->productMock->expects($this->any())
             ->method('getStickWithinParent')
             ->will($this->returnValue(false));
+        $this->productMock->expects($this->once())
+            ->method('getFinalPrice')
+            ->will($this->returnValue($finalPrice));
 
         $this->itemMock->expects($this->once())
             ->method('addQty')
@@ -341,6 +371,9 @@ public function testPrepareWithResetCountAndNotStickAndOtherItemId()
             ->will($this->returnValue($itemId));
         $this->itemMock->expects($this->never())
             ->method('setData');
+        $this->itemMock->expects($this->once())
+            ->method('setPrice')
+            ->will($this->returnValue($this->itemMock));
 
         $this->objectMock->expects($this->any())
             ->method('getCustomPrice')
@@ -368,6 +401,7 @@ public function testPrepareWithResetCountAndNotStickAndSameItemId()
         $customPrice = 400000000;
         $itemId = 1;
         $requestItemId = 1;
+        $finalPrice = 1000000000;
 
         $this->objectMock->expects($this->any())
             ->method('getResetCount')
@@ -386,10 +420,16 @@ public function testPrepareWithResetCountAndNotStickAndSameItemId()
         $this->productMock->expects($this->any())
             ->method('getStickWithinParent')
             ->will($this->returnValue(false));
+        $this->productMock->expects($this->once())
+            ->method('getFinalPrice')
+            ->will($this->returnValue($finalPrice));
 
         $this->itemMock->expects($this->once())
             ->method('addQty')
             ->with($qty);
+        $this->itemMock->expects($this->once())
+            ->method('setPrice')
+            ->will($this->returnValue($this->itemMock));
 
         $this->objectMock->expects($this->any())
             ->method('getCustomPrice')
diff --git a/dev/tests/api-functional/testsuite/Magento/Catalog/Api/CartItemRepositoryTest.php b/dev/tests/api-functional/testsuite/Magento/Catalog/Api/CartItemRepositoryTest.php
index 18f57515c4d18..ad7548b390607 100644
--- a/dev/tests/api-functional/testsuite/Magento/Catalog/Api/CartItemRepositoryTest.php
+++ b/dev/tests/api-functional/testsuite/Magento/Catalog/Api/CartItemRepositoryTest.php
@@ -3,12 +3,17 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Catalog\Api;
 
 use Magento\TestFramework\TestCase\WebapiAbstract;
 use Magento\Catalog\Api\Data\ProductCustomOptionInterface;
 use Magento\ConfigurableProduct\Model\Product\Type\Configurable;
 
+/**
+ * Class \Magento\Catalog\Api\CartItemRepositoryTest
+ */
 class CartItemRepositoryTest extends WebapiAbstract
 {
     const SERVICE_NAME = 'quoteCartItemRepositoryV1';
@@ -62,7 +67,7 @@ public function testAddProductToCartWithCustomOptions()
                 'sku' => $item->getSku(),
                 'qty' => $item->getQty(),
                 'name' => $item->getName(),
-                
+                'price' => $item->getPrice(),
                 'product_type' => $item->getProductType(),
                 'quote_id' => $item->getQuoteId(),
                 'product_option' => [