diff --git a/src/wp-includes/rest-api/endpoints/class-wp-rest-block-patterns-controller.php b/src/wp-includes/rest-api/endpoints/class-wp-rest-block-patterns-controller.php
index 62d69bcd69b2f..b104dbe92ef5a 100644
--- a/src/wp-includes/rest-api/endpoints/class-wp-rest-block-patterns-controller.php
+++ b/src/wp-includes/rest-api/endpoints/class-wp-rest-block-patterns-controller.php
@@ -115,6 +115,7 @@ public function prepare_item_for_response( $item, $request ) {
 			'categories'    => 'categories',
 			'keywords'      => 'keywords',
 			'content'       => 'content',
+			'inserter'      => 'inserter',
 		);
 		$data   = array();
 		foreach ( $keys as $item_key => $rest_key ) {
@@ -190,6 +191,12 @@ public function get_item_schema() {
 					'readonly'    => true,
 					'context'     => array( 'view', 'edit', 'embed' ),
 				),
+				'inserter'       => array(
+					'description' => __( 'Determines whether the pattern is visible in inserter.' ),
+					'type'        => 'boolean',
+					'readonly'    => true,
+					'context'     => array( 'view', 'edit', 'embed' ),
+				),
 			),
 		);