diff --git a/app.py b/app.py
index 892c3db..943ac80 100644
--- a/app.py
+++ b/app.py
@@ -163,6 +163,8 @@ table.tickets tr.row:hover{background:var(--panel2)}
 .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
 .svc-card{display:flex;justify-content:space-between;align-items:flex-start}
 .svc-card .badge{padding:2px 9px;border-radius:99px;font-size:11px;background:#1a4a35;color:var(--ok)}
+.svc-card .badge.err{background:#4a1e22;color:var(--bad)}
+.svc-card .badge.unknown{background:#2a2a2a;color:#888}
 input,textarea,select{
   background:var(--bg);border:1px solid var(--border);border-radius:6px;
   color:var(--text);padding:8px 10px;font-size:13px;width:100%}
@@ -651,22 +653,37 @@ def api_ticket(ticket_id):
 
 
 # ── Service-Katalog ─────────────────────────────────────────────────────────────
-def _aes_live_status():
-    if not AES_DASHBOARD_URL:
+def _service_live_status(endpoint):
+    """Prueft die Live-Erreichbarkeit eines gebuchten Service-Endpunkts (z.B. AES-Dashboard).
+    Generisch fuer alle Services mit Endpoint, nicht nur AES. Timeout kurz gehalten,
+    damit ein haengender/ausgefallener Service den Katalog nicht blockiert.
+    Rueckgabe: True (erreichbar) / False (nicht erreichbar) / None (kein Endpoint hinterlegt)."""
+    if not endpoint:
         return None
     try:
-        req = urllib.request.Request(AES_DASHBOARD_URL + "/", method="GET")
+        req = urllib.request.Request(endpoint, method="GET")
         with urllib.request.urlopen(req, timeout=4) as resp:
             return 200 <= resp.status < 400
     except Exception:
-        return None
+        return False
 
 
 def _services_body(tenant_id):
     services = db.list_services(tenant_id)
     cards = []
     for s in services:
-        badge = '<span class="badge">gebucht</span>' if s["gebucht"] else '<span class="sz">nicht gebucht</span>'
+        if not s["gebucht"]:
+            badge = '<span class="sz">nicht gebucht</span>'
+        elif s.get("endpoint"):
+            live = _service_live_status(s["endpoint"])
+            if live is True:
+                badge = '<span class="badge">gebucht &middot; erreichbar</span>'
+            elif live is False:
+                badge = '<span class="badge err">gebucht &middot; nicht erreichbar</span>'
+            else:
+                badge = '<span class="badge unknown">gebucht</span>'
+        else:
+            badge = '<span class="badge unknown">gebucht</span>'
         link = ('<div class="sz" style="margin-top:8px"><a href="%s" target="_blank">Zum Service &rarr;</a></div>'
                 % html.escape(s["endpoint"])) if s.get("endpoint") else ""
         cards.append("""<div class="card"><div class="svc-card">