docs: update the list of available APIs

README.md

@@ -177,6 +177,7 @@ applications that interact with individual Google Cloud services:
 | [GDC Hardware Management API](https://github.com/googleapis/google-cloud-node/tree/main/packages/google-cloud-gdchardwaremanagement) | [![Preview][preview-stability]][launch-stages] | [![npm](https://img.shields.io/npm/v/@google-cloud/gdchardwaremanagement)](https://npm.im/@google-cloud/gdchardwaremanagement) |
 | [Generative Language API](https://github.com/googleapis/google-cloud-node/tree/main/packages/google-ai-generativelanguage) | [![Preview][preview-stability]][launch-stages] | [![npm](https://img.shields.io/npm/v/@google-ai/generativelanguage)](https://npm.im/@google-ai/generativelanguage) |
 | [GKE Connect Gateway](https://github.com/googleapis/google-cloud-node/tree/main/packages/google-cloud-gkeconnect-gateway) | [![Preview][preview-stability]][launch-stages] | [![npm](https://img.shields.io/npm/v/@google-cloud/gke-connect-gateway)](https://npm.im/@google-cloud/gke-connect-gateway) |
+| [Google Ad Manager API](https://github.com/googleapis/google-cloud-node/tree/main/packages/google-ads-admanager) | [![Preview][preview-stability]][launch-stages] | [![npm](https://img.shields.io/npm/v/@google-ads/admanager)](https://npm.im/@google-ads/admanager) |
 | [Google Analytics Admin](https://github.com/googleapis/google-cloud-node/tree/main/packages/google-analytics-admin) | [![Preview][preview-stability]][launch-stages] | [![npm](https://img.shields.io/npm/v/@google-analytics/admin)](https://npm.im/@google-analytics/admin) |
 | [Google Analytics Data](https://github.com/googleapis/google-cloud-node/tree/main/packages/google-analytics-data) | [![Preview][preview-stability]][launch-stages] | [![npm](https://img.shields.io/npm/v/@google-analytics/data)](https://npm.im/@google-analytics/data) |
 | [Google Chat API](https://github.com/googleapis/google-cloud-node/tree/main/packages/google-chat) | [![Preview][preview-stability]][launch-stages] | [![npm](https://img.shields.io/npm/v/@google-apps/chat)](https://npm.im/@google-apps/chat) |

libraries.json

@@ -3047,6 +3047,24 @@
     "linkToRepoHomepage": "https://github.com/googleapis/google-cloud-node/tree/main/packages/google-cloud-gkeconnect-gateway",
     "support_documentation": "https://cloud.google.com/anthos/multicluster-management/gateway/docs/getting-support"
   },
+  {
+    "name": "admanager",
+    "name_pretty": "Google Ad Manager API",
+    "product_documentation": "https://developers.google.com/ad-manager/api/beta",
+    "client_documentation": "https://cloud.google.com/nodejs/docs/reference/admanager/latest",
+    "issue_tracker": "https://github.com/googleapis/google-cloud-node/issues",
+    "release_level": "preview",
+    "language": "nodejs",
+    "repo": "googleapis/google-cloud-node",
+    "distribution_name": "@google-ads/admanager",
+    "api_id": "admanager.googleapis.com",
+    "default_version": "v1",
+    "requires_billing": true,
+    "library_type": "GAPIC_AUTO",
+    "api_shortname": "admanager",
+    "linkToRepoHomepage": "https://github.com/googleapis/google-cloud-node/tree/main/packages/google-ads-admanager",
+    "support_documentation": "https://developers.google.com/ad-manager/api/beta/docs/getting-support"
+  },
   {
     "client_documentation": "https://googleapis.dev/nodejs/analytics-admin/latest/index.html",
     "api_id": "analyticsadmin.googleapis.com",