diff --git a/clients/google-api-services-authorizedbuyersmarketplace/v1alpha/2.0.0/README.md b/clients/google-api-services-authorizedbuyersmarketplace/v1alpha/2.0.0/README.md
index 419417d6084..201b22875dd 100644
--- a/clients/google-api-services-authorizedbuyersmarketplace/v1alpha/2.0.0/README.md
+++ b/clients/google-api-services-authorizedbuyersmarketplace/v1alpha/2.0.0/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-authorizedbuyersmarketplace</artifactId>
-      <version>v1alpha-rev20260723-2.0.0</version>
+      <version>v1alpha-rev20260828-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-authorizedbuyersmarketplace:v1alpha-rev20260723-2.0.0'
+  implementation 'com.google.apis:google-api-services-authorizedbuyersmarketplace:v1alpha-rev20260828-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-authorizedbuyersmarketplace/v1alpha/2.0.0/com/google/api/services/authorizedbuyersmarketplace/v1alpha/model/DataSegment.java b/clients/google-api-services-authorizedbuyersmarketplace/v1alpha/2.0.0/com/google/api/services/authorizedbuyersmarketplace/v1alpha/model/DataSegment.java
index 48933f84e62..49167575a6f 100644
--- a/clients/google-api-services-authorizedbuyersmarketplace/v1alpha/2.0.0/com/google/api/services/authorizedbuyersmarketplace/v1alpha/model/DataSegment.java
+++ b/clients/google-api-services-authorizedbuyersmarketplace/v1alpha/2.0.0/com/google/api/services/authorizedbuyersmarketplace/v1alpha/model/DataSegment.java
@@ -79,6 +79,18 @@ public final class DataSegment extends com.google.api.client.json.GenericJson {
   @com.google.api.client.util.Key
   private String updateTime;
 
+  /**
+   * Optional. Immutable. The ID of the User List wrapped by this Data Segment. Curators with a
+   * linked Data Partner account can create a data segment that wraps a user list owned by the
+   * linked Data Partner account. User lists can be uploaded and managed using the [Data Manager
+   * API](https://developers.google.com/data-manager/api/data-partners/audiences). Linking a user
+   * list to a data segment lets you define a segment of inventory that is based on an audience you
+   * create.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.String userListId;
+
   /**
    * Optional. A fixed fee charged per thousand impressions. Once set, the currency code cannot be
    * changed.
@@ -191,6 +203,33 @@ public DataSegment setUpdateTime(String updateTime) {
     return this;
   }
 
+  /**
+   * Optional. Immutable. The ID of the User List wrapped by this Data Segment. Curators with a
+   * linked Data Partner account can create a data segment that wraps a user list owned by the
+   * linked Data Partner account. User lists can be uploaded and managed using the [Data Manager
+   * API](https://developers.google.com/data-manager/api/data-partners/audiences). Linking a user
+   * list to a data segment lets you define a segment of inventory that is based on an audience you
+   * create.
+   * @return value or {@code null} for none
+   */
+  public java.lang.String getUserListId() {
+    return userListId;
+  }
+
+  /**
+   * Optional. Immutable. The ID of the User List wrapped by this Data Segment. Curators with a
+   * linked Data Partner account can create a data segment that wraps a user list owned by the
+   * linked Data Partner account. User lists can be uploaded and managed using the [Data Manager
+   * API](https://developers.google.com/data-manager/api/data-partners/audiences). Linking a user
+   * list to a data segment lets you define a segment of inventory that is based on an audience you
+   * create.
+   * @param userListId userListId or {@code null} for none
+   */
+  public DataSegment setUserListId(java.lang.String userListId) {
+    this.userListId = userListId;
+    return this;
+  }
+
   @Override
   public DataSegment set(String fieldName, Object value) {
     return (DataSegment) super.set(fieldName, value);
diff --git a/clients/google-api-services-authorizedbuyersmarketplace/v1alpha/2.0.0/pom.xml b/clients/google-api-services-authorizedbuyersmarketplace/v1alpha/2.0.0/pom.xml
index 2e014d1cf84..85f1f604762 100644
--- a/clients/google-api-services-authorizedbuyersmarketplace/v1alpha/2.0.0/pom.xml
+++ b/clients/google-api-services-authorizedbuyersmarketplace/v1alpha/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-authorizedbuyersmarketplace</artifactId>
-  <version>v1alpha-rev20260723-2.0.0</version>
-  <name>Authorized Buyers Marketplace API v1alpha-rev20260723-2.0.0</name>
+  <version>v1alpha-rev20260828-2.0.0</version>
+  <name>Authorized Buyers Marketplace API v1alpha-rev20260828-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-authorizedbuyersmarketplace/v1alpha/README.md b/clients/google-api-services-authorizedbuyersmarketplace/v1alpha/README.md
index 419417d6084..201b22875dd 100644
--- a/clients/google-api-services-authorizedbuyersmarketplace/v1alpha/README.md
+++ b/clients/google-api-services-authorizedbuyersmarketplace/v1alpha/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-authorizedbuyersmarketplace</artifactId>
-      <version>v1alpha-rev20260723-2.0.0</version>
+      <version>v1alpha-rev20260828-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-authorizedbuyersmarketplace:v1alpha-rev20260723-2.0.0'
+  implementation 'com.google.apis:google-api-services-authorizedbuyersmarketplace:v1alpha-rev20260828-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-authorizedbuyersmarketplace/v1beta/2.0.0/README.md b/clients/google-api-services-authorizedbuyersmarketplace/v1beta/2.0.0/README.md
index 0d34650b476..49e13193675 100644
--- a/clients/google-api-services-authorizedbuyersmarketplace/v1beta/2.0.0/README.md
+++ b/clients/google-api-services-authorizedbuyersmarketplace/v1beta/2.0.0/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-authorizedbuyersmarketplace</artifactId>
-      <version>v1beta-rev20260723-2.0.0</version>
+      <version>v1beta-rev20260828-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-authorizedbuyersmarketplace:v1beta-rev20260723-2.0.0'
+  implementation 'com.google.apis:google-api-services-authorizedbuyersmarketplace:v1beta-rev20260828-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-authorizedbuyersmarketplace/v1beta/2.0.0/com/google/api/services/authorizedbuyersmarketplace/v1beta/model/DataSegment.java b/clients/google-api-services-authorizedbuyersmarketplace/v1beta/2.0.0/com/google/api/services/authorizedbuyersmarketplace/v1beta/model/DataSegment.java
index 97889268310..ca945205009 100644
--- a/clients/google-api-services-authorizedbuyersmarketplace/v1beta/2.0.0/com/google/api/services/authorizedbuyersmarketplace/v1beta/model/DataSegment.java
+++ b/clients/google-api-services-authorizedbuyersmarketplace/v1beta/2.0.0/com/google/api/services/authorizedbuyersmarketplace/v1beta/model/DataSegment.java
@@ -79,6 +79,18 @@ public final class DataSegment extends com.google.api.client.json.GenericJson {
   @com.google.api.client.util.Key
   private String updateTime;
 
+  /**
+   * Optional. Immutable. The ID of the User List wrapped by this Data Segment. Curators with a
+   * linked Data Partner account can create a data segment that wraps a user list owned by the
+   * linked Data Partner account. User lists can be uploaded and managed using the [Data Manager
+   * API](https://developers.google.com/data-manager/api/data-partners/audiences). Linking a user
+   * list to a data segment lets you define a segment of inventory that is based on an audience you
+   * create.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.String userListId;
+
   /**
    * Optional. A fixed fee charged per thousand impressions. Once set, the currency code cannot be
    * changed.
@@ -191,6 +203,33 @@ public DataSegment setUpdateTime(String updateTime) {
     return this;
   }
 
+  /**
+   * Optional. Immutable. The ID of the User List wrapped by this Data Segment. Curators with a
+   * linked Data Partner account can create a data segment that wraps a user list owned by the
+   * linked Data Partner account. User lists can be uploaded and managed using the [Data Manager
+   * API](https://developers.google.com/data-manager/api/data-partners/audiences). Linking a user
+   * list to a data segment lets you define a segment of inventory that is based on an audience you
+   * create.
+   * @return value or {@code null} for none
+   */
+  public java.lang.String getUserListId() {
+    return userListId;
+  }
+
+  /**
+   * Optional. Immutable. The ID of the User List wrapped by this Data Segment. Curators with a
+   * linked Data Partner account can create a data segment that wraps a user list owned by the
+   * linked Data Partner account. User lists can be uploaded and managed using the [Data Manager
+   * API](https://developers.google.com/data-manager/api/data-partners/audiences). Linking a user
+   * list to a data segment lets you define a segment of inventory that is based on an audience you
+   * create.
+   * @param userListId userListId or {@code null} for none
+   */
+  public DataSegment setUserListId(java.lang.String userListId) {
+    this.userListId = userListId;
+    return this;
+  }
+
   @Override
   public DataSegment set(String fieldName, Object value) {
     return (DataSegment) super.set(fieldName, value);
diff --git a/clients/google-api-services-authorizedbuyersmarketplace/v1beta/2.0.0/pom.xml b/clients/google-api-services-authorizedbuyersmarketplace/v1beta/2.0.0/pom.xml
index 93193113e58..a09e7e40d7f 100644
--- a/clients/google-api-services-authorizedbuyersmarketplace/v1beta/2.0.0/pom.xml
+++ b/clients/google-api-services-authorizedbuyersmarketplace/v1beta/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-authorizedbuyersmarketplace</artifactId>
-  <version>v1beta-rev20260723-2.0.0</version>
-  <name>Authorized Buyers Marketplace API v1beta-rev20260723-2.0.0</name>
+  <version>v1beta-rev20260828-2.0.0</version>
+  <name>Authorized Buyers Marketplace API v1beta-rev20260828-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-authorizedbuyersmarketplace/v1beta/README.md b/clients/google-api-services-authorizedbuyersmarketplace/v1beta/README.md
index 0d34650b476..49e13193675 100644
--- a/clients/google-api-services-authorizedbuyersmarketplace/v1beta/README.md
+++ b/clients/google-api-services-authorizedbuyersmarketplace/v1beta/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-authorizedbuyersmarketplace</artifactId>
-      <version>v1beta-rev20260723-2.0.0</version>
+      <version>v1beta-rev20260828-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-authorizedbuyersmarketplace:v1beta-rev20260723-2.0.0'
+  implementation 'com.google.apis:google-api-services-authorizedbuyersmarketplace:v1beta-rev20260828-2.0.0'
 }
 ```