diff --git a/CHANGELOG.md b/CHANGELOG.md
index bcc5aa5..3f251db 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@ Follows [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) · versioned wi
 ## [Unreleased]
 
 ### Changed
+- **Integrations namespace migration.** Endpoint helpers, active-voice listings, virtual design IDs, and API snippet
+  rendering now use a private scope with explicit compatibility exports and a `window.TTVC.integrations` API.
 - **Combined-library namespace migration.** Production books/plays, Rehearser and Reader handoffs, and cast integration
   now use a private scope with explicit compatibility exports and a `window.TTVC.library` API.
 - **Engine support namespace migration.** ElevenLabs browser state, custom engine cards, and local-container discovery
diff --git a/VERSION b/VERSION
index 20cf08d..b9961ac 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.24.80
+1.24.81
diff --git a/docs/ARCHITECTURE.md b/docs/ARCHITECTURE.md
index dbabd9d..7eb77f2 100644
--- a/docs/ARCHITECTURE.md
+++ b/docs/ARCHITECTURE.md
@@ -70,6 +70,7 @@ Done incrementally as global-scope ordered files (no ES-module change needed) 
 - ✅ TTS routing configuration and routing-log UI use a private scope with live route/sound compatibility accessors.
 - ✅ Engine browser, custom-card, and local-container helpers use a private scope with an explicit namespace API.
 - ✅ Combined library production rendering and Reader/Rehearser handoffs use a private scope with an explicit namespace API.
+- ✅ Integration endpoint and API-snippet helpers use a private scope with explicit voice/endpoint compatibility exports.
 - ✅ `static/css/resource-diagnostics.css` — isolated Performance/resource diagnostic panel styles.
 - ✅ `static/css/background-jobs.css` — isolated background-job history and retry-panel styles.
 - ✅ `static/css/voice-design.css` — isolated Voice Design form, samples, and preview-match styles.
diff --git a/static/index.html b/static/index.html
index 6b3eb03..ef3815f 100644
--- a/static/index.html
+++ b/static/index.html
@@ -10,7 +10,7 @@
   <meta name="format-detection" content="telephone=no">
   <meta name="color-scheme" content="light dark">
   <meta name="theme-color" content="#2563EB">
-  <meta name="app-version" content="1.24.80">
+  <meta name="app-version" content="1.24.81">
   <link rel="manifest" href="/manifest.webmanifest">
   <link rel="icon" href="/static/icon.svg" type="image/svg+xml">
   <link rel="apple-touch-icon" href="/static/icon.svg">
@@ -27,12 +27,12 @@
 
   <!-- ── Core styles (local — no CDN dependency for first paint) ────────── -->
   <link rel="stylesheet" href="/static/vendor/mdi/materialdesignicons.min.css">
-  <link rel="stylesheet" href="/static/style.css?v=1.24.80">
-  <link rel="stylesheet" href="/static/css/resource-diagnostics.css?v=1.24.80">
-  <link rel="stylesheet" href="/static/css/background-jobs.css?v=1.24.80">
-  <link rel="stylesheet" href="/static/css/voice-design.css?v=1.24.80">
-  <link rel="stylesheet" href="/static/css/rehearser.css?v=1.24.80">
-  <link rel="stylesheet" href="/static/css/audiobook.css?v=1.24.80">
+  <link rel="stylesheet" href="/static/style.css?v=1.24.81">
+  <link rel="stylesheet" href="/static/css/resource-diagnostics.css?v=1.24.81">
+  <link rel="stylesheet" href="/static/css/background-jobs.css?v=1.24.81">
+  <link rel="stylesheet" href="/static/css/voice-design.css?v=1.24.81">
+  <link rel="stylesheet" href="/static/css/rehearser.css?v=1.24.81">
+  <link rel="stylesheet" href="/static/css/audiobook.css?v=1.24.81">
 
 
   <!-- ── Flag icons — non-blocking (loaded async, icons appear after JS) ── -->
@@ -397,7 +397,7 @@ window.toggleNavTree = function(treeId, chevronId) {
 </script>
 
 <!-- loader.js: fetches sections → loads JS modules → removes skeleton -->
-<script src="/static/loader.js?v=1.24.80"></script>
+<script src="/static/loader.js?v=1.24.81"></script>
 
 </body>
 </html>
diff --git a/static/js/integrations.js b/static/js/integrations.js
index e185ecf..102e2eb 100644
--- a/static/js/integrations.js
+++ b/static/js/integrations.js
@@ -1,5 +1,7 @@
 // ── Integration samples ──────────────────────────────────────────────────
 
+(function (root) {
+
 function cleanBaseUrl(url) {
   return String(url || '').trim().replace(/\/+$/, '');
 }
@@ -213,3 +215,16 @@ $('copy-active-voices-btn-integrations')?.addEventListener('click', async () =>
   status('Copied active voices to clipboard');
 });
 
+Object.assign(root, {
+  cleanBaseUrl, getTtsBaseUrl, getTtsV1Url, getTtsStreamBaseUrl, getTtsStreamV1Url,
+  getCreatorV1Url, updateCreatorUrlHints, activeVoiceIds, integrationVoiceExample,
+  integrationVoiceList, virtualDesignVoiceIds, renderIntegrationSnippets,
+});
+root.TTVC = root.TTVC || {};
+root.TTVC.integrations = root.TTVC.integrations || {};
+Object.assign(root.TTVC.integrations, {
+  endpoints: { tts: getTtsV1Url, stream: getTtsStreamV1Url, creator: getCreatorV1Url },
+  voices: { active: activeVoiceIds, list: integrationVoiceList },
+  render: renderIntegrationSnippets,
+});
+})(window);