diff --git a/updateinfo.php b/updateinfo.php
index 95171c3..cd51183 100644
--- a/updateinfo.php
+++ b/updateinfo.php
@@ -1,6 +1,6 @@
 <?php
 /*
-Copyright 2017 UUP dump API authors
+Copyright 2022 UUP dump API authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -16,15 +16,40 @@ limitations under the License.
 */
 
 require_once dirname(__FILE__).'/shared/main.php';
+require_once dirname(__FILE__).'/shared/cache.php';
 
-function uupUpdateInfo($updateId, $onlyInfo = 0) {
-    $info = @file_get_contents('fileinfo/'.$updateId.'.json');
+function uupApiPrivateGetFileinfo($updateId, $ignoreFiles) {
+    $cached = false;
 
-    if(empty($info)) {
-        return array('error' => 'UPDATE_INFORMATION_NOT_EXISTS');
+    if($ignoreFiles) {
+        $res = "fileinfo-fileless-$updateId";
+        $cache = new UupDumpCache($res, false);
+        $info = $cache->get();
+        $cached = ($info !== false);
     }
 
-    $info = json_decode($info, true);
+    if(!$cached) {
+        $info = @file_get_contents('fileinfo/'.$updateId.'.json');
+        if(empty($info)) return false;
+        $info = json_decode($info, true);
+    }
+
+    if($ignoreFiles) {
+        if(isset($info['files'])) unset($info['files']);
+
+        if(!$cached) {
+            $cache->put($info, false);
+        }
+    }
+
+    return $info;
+}
+
+function uupUpdateInfo($updateId, $onlyInfo = 0, $ignoreFiles = false) {
+    $info = uupApiPrivateGetFileinfo($updateId, $ignoreFiles);
+    if($info === false) {
+        return ['error' => 'UPDATE_INFORMATION_NOT_EXISTS'];
+    }
 
     $parsedInfo = uupParseUpdateInfo($info, $onlyInfo);
     if(isset($parsedInfo['error'])) {
@@ -39,7 +64,7 @@ function uupUpdateInfo($updateId, $onlyInfo = 0) {
 
 function uupParseUpdateInfo($info, $onlyInfo = 0) {
     if(empty($info)) {
-        return array('error' => 'UPDATE_INFORMATION_NOT_EXISTS');
+        return ['error' => 'UPDATE_INFORMATION_NOT_EXISTS'];
     }
 
     if($onlyInfo) {
@@ -57,4 +82,3 @@ function uupParseUpdateInfo($info, $onlyInfo = 0) {
         'info' => $returnInfo,
     );
 }
-?>