diff --git a/Allowlist.txt b/Allowlist.txt
index 33864a1..76a228a 100644
--- a/Allowlist.txt
+++ b/Allowlist.txt
@@ -519,4 +519,22 @@ api.und-gesund.de
 # -----------------------------------------
 # 🟢 Core Terminservice Backend
 eterminservice.de
+# -----------------------------------------
+
+███████ ███    ███  █████  ██████  ████████ ██   ██  ██████  ███    ███ ███████ 
+██      ████  ████ ██   ██ ██   ██    ██    ██   ██ ██    ██ ████  ████ ██      
+███████ ██ ████ ██ ███████ ██████     ██    ███████ ██    ██ ██ ████ ██ █████   
+     ██ ██  ██  ██ ██   ██ ██   ██    ██    ██   ██ ██    ██ ██  ██  ██ ██      
+███████ ██      ██ ██   ██ ██   ██    ██    ██   ██  ██████  ██      ██ ███████ 
+                                                                                
+                                                                                
+
+# -----------------------------------------
+# 🧩 ISTA App – Energieverbrauch / Zählerdaten
+# -----------------------------------------
+# 🟢 Core API (App Backend / Datenabruf)
+api.prod.eed.ista.com
+
+# 🟡 Push-Benachrichtigungen (Verbrauch / Hinweise)
+notificationdata-eed.az.ista.com
 # -----------------------------------------
\ No newline at end of file