diff --git a/wp-includes/rest-api/class-wp-rest-server.php b/wp-includes/rest-api/class-wp-rest-server.php
index 861f5115e6..380eea2ca3 100644
--- a/wp-includes/rest-api/class-wp-rest-server.php
+++ b/wp-includes/rest-api/class-wp-rest-server.php
@@ -743,6 +743,13 @@ class WP_REST_Server {
 						continue;
 					}
 
+					if ( empty( $request['per_page'] ) ) {
+						$matched = $this->match_request_to_handler( $request );
+						if ( ! is_wp_error( $matched ) && isset( $matched[1]['args']['per_page']['maximum'] ) ) {
+							$request['per_page'] = (int) $matched[1]['args']['per_page']['maximum'];
+						}
+					}
+
 					// Embedded resources get passed context=embed.
 					if ( empty( $request['context'] ) ) {
 						$request['context'] = 'embed';
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 133601e3e3..6581e9cd0a 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.5-alpha-57622';
+$wp_version = '6.5-alpha-57623';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.