diff --git a/ajax/pwa_api.php b/ajax/pwa_api.php
index eb7584a..dc0f056 100644
--- a/ajax/pwa_api.php
+++ b/ajax/pwa_api.php
@@ -6,7 +6,8 @@
  * Auth: Header "X-Eplan-Token: <secret>" gegen Const EPLAN_PWA_SECRET (hash_equals).
  *
  * Actions (?action=...):
- *   - ping                        → {aktiv: true, version: "1.1.0"}
+ *   - ping                        → {aktiv: true, version: "1.3.0"}
+ *   - firma_info                  → Firmen-Stammdaten + Logo (für Plankopf)
  *   - auftraege_listen            → Liste offener Aufträge (Commande)
  *   - auftrag_details&id=         → Einzelner Auftrag mit Positionen
  *   - kunden_suchen&such=         → Third-Party-Suche
@@ -64,11 +65,41 @@ try {
             echo json_encode([
                 'aktiv' => true,
                 'modul' => 'eplan',
-                'version' => '1.2.0',
+                'version' => '1.3.0',
                 'dolibarr' => DOL_VERSION,
             ]);
             break;
 
+        case 'firma_info':
+            // Firmen-Stammdaten (MAIN_INFO_SOCIETE_*) + Logo für den Plankopf
+            $zip = getDolGlobalString('MAIN_INFO_SOCIETE_ZIP');
+            $town = getDolGlobalString('MAIN_INFO_SOCIETE_TOWN');
+            $logoUrl = null;
+            $logo = getDolGlobalString('MAIN_INFO_SOCIETE_LOGO');
+            if (!empty($logo)) {
+                $logofile = $conf->mycompany->dir_output.'/logos/'.$logo;
+                if (is_readable($logofile) && filesize($logofile) <= 400 * 1024) {
+                    $ext = strtolower(pathinfo($logofile, PATHINFO_EXTENSION));
+                    $mime = $ext === 'png' ? 'image/png'
+                        : (($ext === 'jpg' || $ext === 'jpeg') ? 'image/jpeg'
+                        : ($ext === 'svg' ? 'image/svg+xml' : ''));
+                    if ($mime) {
+                        $logoUrl = 'data:'.$mime.';base64,'.base64_encode(file_get_contents($logofile));
+                    }
+                }
+            }
+            echo json_encode([
+                'name' => getDolGlobalString('MAIN_INFO_SOCIETE_NOM'),
+                'strasse' => getDolGlobalString('MAIN_INFO_SOCIETE_ADDRESS'),
+                'plzOrt' => trim($zip.' '.$town),
+                'telefon' => getDolGlobalString('MAIN_INFO_SOCIETE_PHONE'),
+                'mail' => getDolGlobalString('MAIN_INFO_SOCIETE_MAIL'),
+                'web' => getDolGlobalString('MAIN_INFO_SOCIETE_WEB'),
+                'nummer' => getDolGlobalString('MAIN_INFO_SIRET'),
+                'logoUrl' => $logoUrl,
+            ]);
+            break;
+
         case 'auftraege_listen':
             $such = GETPOST('such', 'alphanohtml');
             $limit = max(1, min(200, (int) GETPOST('limit', 'int') ?: 50));