diff --git a/community_server b/community_server
index 3bbd8d0b7..0a30e2992 160000
--- a/community_server
+++ b/community_server
@@ -1 +1 @@
-Subproject commit 3bbd8d0b7cc5ba2f03a1d7e8c95f0f9290ae265a
+Subproject commit 0a30e29924c1cc4e6f8b696aa562362c88182028
diff --git a/docu/community-server.api.md b/docu/community-server.api.md
index a6d77e83f..4b70fc9c4 100644
--- a/docu/community-server.api.md
+++ b/docu/community-server.api.md
@@ -1 +1,14 @@
 # community server api
+
+In this examples I assume that you use gradido with or docker-compose build on your local maschine
+
+## Konto Overview
+return current account balance
+Ajax: 
+GET http://localhost/state-balances/ajaxGetBalance/-127182
+
+If session is valid, return:
+{"state":"success","balance":174500}
+
+- balance: Gradido Cent, 4 Nachkommastellen (2 Reserve), 174500 = 17,45 GDD
+