diff --git a/vendor/magento/module-gift-card-graph-ql/Model/GiftCardDataProvider.php b/vendor/magento/module-gift-card-graph-ql/Model/GiftCardDataProvider.php
new file mode 100644
index 00000000000..56c67eeab5c
--- /dev/null
+++ b/vendor/magento/module-gift-card-graph-ql/Model/GiftCardDataProvider.php
@@ -0,0 +1,77 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\GiftCardGraphQl\Model;
+
+use Magento\Framework\Exception\LocalizedException;
+use Magento\QuoteGraphQl\Model\Cart\CreateBuyRequestDataProviderInterface;
+use Magento\GiftCard\Model\Catalog\Product\Type\Giftcard;
+use Magento\GiftCard\Model\Giftcard\Option;
+
+class GiftCardDataProvider implements CreateBuyRequestDataProviderInterface
+{
+    /**
+     * @inheritDoc
+     */
+    public function execute(array $cartItemData): array
+    {
+        $giftCardOptionsData = [];
+
+        foreach ($cartItemData as $uid => $optionValue) {
+            $optionData = explode('/', $uid);
+            if ($this->isProviderApplicable($optionData) === false) {
+                continue;
+            }
+            $this->validateInput($optionData);
+
+            [$optionType, $optionId] = $optionData;
+            if ($optionType === Giftcard::TYPE_GIFTCARD) {
+                if ($optionId === Option::KEY_CUSTOM_GIFTCARD_AMOUNT) {
+                    $giftCardOptionsData[Option::KEY_AMOUNT] = 'custom';
+                }
+                $giftCardOptionsData[$optionId] = $optionValue;
+            }
+        }
+
+        return $giftCardOptionsData;
+    }
+
+    /**
+     * Checks whether this provider is applicable for the current option
+     *
+     * @param array $optionData
+     * @return bool
+     */
+    private function isProviderApplicable(array $optionData): bool
+    {
+        return $optionData[0] === Giftcard::TYPE_GIFTCARD
+            && in_array($optionData[1], [
+                Option::KEY_AMOUNT,
+                Option::KEY_CUSTOM_GIFTCARD_AMOUNT,
+                Option::KEY_SENDER_NAME,
+                Option::KEY_SENDER_EMAIL,
+                Option::KEY_RECIPIENT_NAME,
+                Option::KEY_RECIPIENT_EMAIL,
+                Option::KEY_MESSAGE
+            ], true);
+    }
+
+    /**
+     * Validates the provided options structure
+     *
+     * @param array $optionData
+     * @throws LocalizedException
+     */
+    private function validateInput(array $optionData): void
+    {
+        if (count($optionData) !== 2) {
+            throw new LocalizedException(
+                __('Wrong format of the entered option data')
+            );
+        }
+    }
+}
diff --git a/vendor/magento/module-gift-card-graph-ql/etc/graphql/di.xml b/vendor/magento/module-gift-card-graph-ql/etc/graphql/di.xml
index 81b4cc0f6cf..6f9cb929f0b 100644
--- a/vendor/magento/module-gift-card-graph-ql/etc/graphql/di.xml
+++ b/vendor/magento/module-gift-card-graph-ql/etc/graphql/di.xml
@@ -92,4 +92,11 @@
     <type name="Magento\CatalogGraphQl\Model\Resolver\Products\DataProvider\Product\CollectionProcessorInterface">
         <plugin name="additionalFields" type="Magento\GiftCardGraphQl\Model\Plugin\CollectionProcessorInterfacePlugin" />
     </type>
+    <type name="Magento\QuoteGraphQl\Model\Cart\CreateBuyRequest">
+        <arguments>
+            <argument name="providers" xsi:type="array">
+                <item name="giftcard_data_provider" xsi:type="object">Magento\GiftCardGraphQl\Model\GiftCardDataProvider</item>
+            </argument>
+        </arguments>
+    </type>
 </config>