diff --git a/src/wp-includes/rest-api/class-wp-rest-server.php b/src/wp-includes/rest-api/class-wp-rest-server.php
index dad4070..f62d41b 100644
--- a/src/wp-includes/rest-api/class-wp-rest-server.php
+++ b/src/wp-includes/rest-api/class-wp-rest-server.php
@@ -236,6 +236,11 @@ class WP_REST_Server {
 		$this->send_header( 'Access-Control-Expose-Headers', 'X-WP-Total, X-WP-TotalPages' );
 		$this->send_header( 'Access-Control-Allow-Headers', 'Authorization' );
 
+		$api_root = get_rest_url();
+		if ( ! empty( $api_root ) ) {
+			$this->send_header( 'Link', '<' . esc_url_raw( $api_root ) . '>; rel="https://api.w.org/"' );
+		}
+
 		/**
 		 * Send nocache headers on authenticated requests.
 		 *