diff --git a/includes/rest-api/Controllers/Version3/class-wc-rest-order-refunds-controller.php b/includes/rest-api/Controllers/Version3/class-wc-rest-order-refunds-controller.php
index 6cbc0ef64f1..bd021942688 100644
--- a/includes/rest-api/Controllers/Version3/class-wc-rest-order-refunds-controller.php
+++ b/includes/rest-api/Controllers/Version3/class-wc-rest-order-refunds-controller.php
@@ -56,7 +56,7 @@ class WC_REST_Order_Refunds_Controller extends WC_REST_Order_Refunds_V2_Controll
 				'reason'         => $request['reason'],
 				'line_items'     => $request['line_items'],
 				'refund_payment' => $request['api_refund'],
-				'restock_items'  => true,
+				'restock_items'  => $request['api_restock'],
 			)
 		);
 
@@ -110,6 +110,13 @@ class WC_REST_Order_Refunds_Controller extends WC_REST_Order_Refunds_V2_Controll
 			'readonly'    => true,
 		);
 
+		$schema['properties']['api_restock'] = array(
+			'description' => __( 'When true, refunded items are restocked.', 'woocommerce' ),
+			'type'        => 'boolean',
+			'context'     => array( 'edit' ),
+			'default'     => true,
+		);
+
 		return $schema;
 	}
 }
diff --git a/src/Internal/RestApiUtil.php b/src/Internal/RestApiUtil.php
index 1c2df561196..bf4cbd81a42 100644
--- a/src/Internal/RestApiUtil.php
+++ b/src/Internal/RestApiUtil.php
@@ -20,6 +20,7 @@ class RestApiUtil {
 	 * [
 	 *   "reason" => "",
 	 *   "api_refund" => "x",
+	 *   "api_restock" => "x",
 	 *   "line_items" => [
 	 *     "id" => "111",
 	 *     "quantity" => 222,
@@ -35,13 +36,14 @@ class RestApiUtil {
 	 * ...to the internally used format:
 	 *
 	 * [
-	 *   "reason" => null,     (if it's missing or any empty value, set as null)
-	 *   "api_refund" => true, (if it's missing or non-bool, set as "true")
-	 *   "line_items" => [     (convert sequential array to associative based on "id")
+	 *   "reason" => null,      (if it's missing or any empty value, set as null)
+	 *   "api_refund" => true,  (if it's missing or non-bool, set as "true")
+	 *   "api_restock" => true, (if it's missing or non-bool, set as "true")
+	 *   "line_items" => [      (convert sequential array to associative based on "id")
 	 *     "111" => [
-	 *       "qty" => 222,     (rename "quantity" to "qty")
+	 *       "qty" => 222,      (rename "quantity" to "qty")
 	 *       "refund_total" => 333,
-	 *       "refund_tax" => [ (convert sequential array to associative based on "id" and "refund_total)
+	 *       "refund_tax" => [  (convert sequential array to associative based on "id" and "refund_total)
 	 *         "444" => 555,...
 	 *       ],...
 	 *   ]
@@ -66,6 +68,10 @@ class RestApiUtil {
 			$request['api_refund'] = true;
 		}
 
+		if ( ! is_bool( $request['api_restock'] ) ) {
+			$request['api_restock'] = true;
+		}
+
 		if ( empty( $request['line_items'] ) ) {
 			$request['line_items'] = array();
 		} else {