diff --git a/src/app/app.ino b/src/app/app.ino
index 987c6cb..e0a607a 100644
--- a/src/app/app.ino
+++ b/src/app/app.ino
@@ -54,6 +54,7 @@ void setup()
   sab.getWebServerManager().addApiRoutine("/sab/view", &(ViewByUIDApi), &sab, WEBServerManager::GET);
   sab.getWebServerManager().addApiRoutine("/sab/rtc/get/datetime", &(rtcGetTimeApi), &sab, WEBServerManager::GET);
   sab.getWebServerManager().addApiRoutine("/sab/rtc/set/datetime", &(rtcSetTimeApi), &sab, WEBServerManager::GET);
+  sab.getWebServerManager().addApiRoutine("/sab/sdcard/size", &(sdCardSizeApi), &sab, WEBServerManager::GET);
   sab.getWebServerManager().addApiRoutine("/sab/sdcard/unmount", &(sdCardUnmountApi), &sab, WEBServerManager::GET);
   sab.getWebServerManager().addApiRoutine("/sab/sdcard/mount", &(sdCardMountApi), &sab, WEBServerManager::GET);
   sab.getWebServerManager().addApiRoutine("/esp/restart", &(espRestartApi), NULL, WEBServerManager::GET);