diff --git a/api/_github-release.js b/api/_github-release.js
new file mode 100644
index 000000000..0b39d3bc2
--- /dev/null
+++ b/api/_github-release.js
@@ -0,0 +1,12 @@
+const RELEASES_URL = 'https://api.github.com/repos/koala73/worldmonitor/releases/latest';
+
+export async function fetchLatestRelease(userAgent) {
+  const res = await fetch(RELEASES_URL, {
+    headers: {
+      'Accept': 'application/vnd.github+json',
+      'User-Agent': userAgent,
+    },
+  });
+  if (!res.ok) return null;
+  return res.json();
+}
diff --git a/api/download.js b/api/download.js
index 31dd17176..7c35ed0a4 100644
--- a/api/download.js
+++ b/api/download.js
@@ -1,7 +1,8 @@
+import { fetchLatestRelease } from './_github-release.js';
+
 // Non-sebuf: returns XML/HTML, stays as standalone Vercel function
 export const config = { runtime: 'edge' };
 
-const RELEASES_URL = 'https://api.github.com/repos/koala73/worldmonitor/releases/latest';
 const RELEASES_PAGE = 'https://github.com/koala73/worldmonitor/releases/latest';
 
 const PLATFORM_PATTERNS = {
@@ -48,18 +49,10 @@ export default async function handler(req) {
   }
 
   try {
-    const res = await fetch(RELEASES_URL, {
-      headers: {
-        'Accept': 'application/vnd.github+json',
-        'User-Agent': 'WorldMonitor-Download-Redirect',
-      },
-    });
-
-    if (!res.ok) {
+    const release = await fetchLatestRelease('WorldMonitor-Download-Redirect');
+    if (!release) {
       return Response.redirect(RELEASES_PAGE, 302);
     }
-
-    const release = await res.json();
     const matcher = PLATFORM_PATTERNS[platform];
     const assets = Array.isArray(release.assets) ? release.assets : [];
     const asset = variant
diff --git a/api/version.js b/api/version.js
index 2dec8b1f5..b16f40fa8 100644
--- a/api/version.js
+++ b/api/version.js
@@ -1,25 +1,17 @@
+import { fetchLatestRelease } from './_github-release.js';
+
 // Non-sebuf: returns XML/HTML, stays as standalone Vercel function
 export const config = { runtime: 'edge' };
 
-const RELEASES_URL = 'https://api.github.com/repos/koala73/worldmonitor/releases/latest';
-
 export default async function handler() {
   try {
-    const res = await fetch(RELEASES_URL, {
-      headers: {
-        'Accept': 'application/vnd.github+json',
-        'User-Agent': 'WorldMonitor-Version-Check',
-      },
-    });
-
-    if (!res.ok) {
+    const release = await fetchLatestRelease('WorldMonitor-Version-Check');
+    if (!release) {
       return new Response(JSON.stringify({ error: 'upstream' }), {
         status: 502,
         headers: { 'Content-Type': 'application/json' },
       });
     }
-
-    const release = await res.json();
     const tag = release.tag_name ?? '';
     const version = tag.replace(/^v/, '');