diff --git a/src/lib/api.ts b/src/lib/api.ts
index 664b50e..c76912d 100644
--- a/src/lib/api.ts
+++ b/src/lib/api.ts
@@ -268,6 +268,19 @@ export async function fetchFormats(): Promise<Format[]> {
   return data?.data ?? [];
 }
 
+/**
+ * Formate für den Textmengencheck: alle mit show_check=true. Das sind die
+ * Text-Seiten-Formate (A4, A5, DIN lang, A6) – unabhängig davon, ob sie im
+ * öffentlichen Konfigurator bestellbar sind. Adress-Postkarten sind ausgenommen.
+ */
+export async function fetchCheckFormats(): Promise<Format[]> {
+  const data = await request(
+    '/items/formats?fields=id,key,name,product&filter[show_check][_eq]=true&limit=-1',
+    { auth: false },
+  );
+  return data?.data ?? [];
+}
+
 /* ── Preis & Bestellung (Extension skrift-orders) ─────────────────────────── */
 
 export type QuoteLine = { label: string; amount: number; per_unit?: boolean };
diff --git a/src/routes/Textmenge.tsx b/src/routes/Textmenge.tsx
index 4c146f0..970720c 100644
--- a/src/routes/Textmenge.tsx
+++ b/src/routes/Textmenge.tsx
@@ -1,5 +1,5 @@
 import { useEffect, useMemo, useState } from 'react';
-import { fetchFormats, fetchSettings, generatePreview } from '../lib/api';
+import { fetchCheckFormats, fetchSettings, generatePreview } from '../lib/api';
 import type { Format, PublicSettings, PreviewDoc, PreviewOverflow } from '../lib/api';
 
 /** Schriftarten wie im Konfigurator/manuellen Druck. */
@@ -99,7 +99,7 @@ export default function Textmenge() {
   const [gross, setGross] = useState(false);
 
   useEffect(() => {
-    fetchFormats()
+    fetchCheckFormats()
       .then((f) => {
         setFormate(f);
         setFormat(f.find((x) => x.key === 'a4')?.key ?? f[0]?.key ?? 'a4');