diff --git a/inc/api.php b/inc/api.php
index b280c25b..d306be5d 100644
--- a/inc/api.php
+++ b/inc/api.php
@@ -93,6 +93,12 @@ class Api {
 		$dotPos = strrpos($file->file, '.');
 		$apiPost['ext'] = substr($file->file, $dotPos);
 		$apiPost['tim'] = substr($file->file, 0, $dotPos);
+
+		// Add spoiler flag to API data
+		$apiPost['spoiler'] = 0;
+		if(isset($file->thumb) && $file->thumb == 'spoiler')
+			$apiPost['spoiler'] = 1;
+
 		if (isset ($file->hash) && $file->hash) {
 			$apiPost['md5'] = base64_encode(hex2bin($file->hash));
 		}