diff --git a/clients/google-api-services-alloydb/v1/2.0.0/README.md b/clients/google-api-services-alloydb/v1/2.0.0/README.md
index 769244f3469..2ff73dfee00 100644
--- a/clients/google-api-services-alloydb/v1/2.0.0/README.md
+++ b/clients/google-api-services-alloydb/v1/2.0.0/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-alloydb</artifactId>
-      <version>v1-rev20260108-2.0.0</version>
+      <version>v1-rev20260122-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-alloydb:v1-rev20260108-2.0.0'
+  implementation 'com.google.apis:google-api-services-alloydb:v1-rev20260122-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-alloydb/v1/2.0.0/com/google/api/services/alloydb/v1/model/Instance.java b/clients/google-api-services-alloydb/v1/2.0.0/com/google/api/services/alloydb/v1/model/Instance.java
index 836cea0380f..142136013cd 100644
--- a/clients/google-api-services-alloydb/v1/2.0.0/com/google/api/services/alloydb/v1/model/Instance.java
+++ b/clients/google-api-services-alloydb/v1/2.0.0/com/google/api/services/alloydb/v1/model/Instance.java
@@ -80,6 +80,17 @@ public final class Instance extends com.google.api.client.json.GenericJson {
   @com.google.api.client.util.Key
   private String createTime;
 
+  /**
+   * Optional. Controls whether the Data API is enabled for this instance. When enabled, this allows
+   * authorized users to connect to the instance from the public internet using the `executeSql`
+   * API, even for private IP instances. If this is not specified, the data API is enabled by
+   * default for Google internal services like AlloyDB Studio. Disable it explicitly to disallow
+   * Google internal services as well.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.String dataApiAccess;
+
   /**
    * Database flags. Set at the instance level. They are copied from the primary instance on
    * secondary instance creation. Flags that have restrictions default to the value at primary
@@ -399,6 +410,31 @@ public Instance setCreateTime(String createTime) {
     return this;
   }
 
+  /**
+   * Optional. Controls whether the Data API is enabled for this instance. When enabled, this allows
+   * authorized users to connect to the instance from the public internet using the `executeSql`
+   * API, even for private IP instances. If this is not specified, the data API is enabled by
+   * default for Google internal services like AlloyDB Studio. Disable it explicitly to disallow
+   * Google internal services as well.
+   * @return value or {@code null} for none
+   */
+  public java.lang.String getDataApiAccess() {
+    return dataApiAccess;
+  }
+
+  /**
+   * Optional. Controls whether the Data API is enabled for this instance. When enabled, this allows
+   * authorized users to connect to the instance from the public internet using the `executeSql`
+   * API, even for private IP instances. If this is not specified, the data API is enabled by
+   * default for Google internal services like AlloyDB Studio. Disable it explicitly to disallow
+   * Google internal services as well.
+   * @param dataApiAccess dataApiAccess or {@code null} for none
+   */
+  public Instance setDataApiAccess(java.lang.String dataApiAccess) {
+    this.dataApiAccess = dataApiAccess;
+    return this;
+  }
+
   /**
    * Database flags. Set at the instance level. They are copied from the primary instance on
    * secondary instance creation. Flags that have restrictions default to the value at primary
diff --git a/clients/google-api-services-alloydb/v1/2.0.0/com/google/api/services/alloydb/v1/model/StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo.java b/clients/google-api-services-alloydb/v1/2.0.0/com/google/api/services/alloydb/v1/model/StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo.java
index 9b6c4c1e28e..8d5833c0c9b 100644
--- a/clients/google-api-services-alloydb/v1/2.0.0/com/google/api/services/alloydb/v1/model/StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo.java
+++ b/clients/google-api-services-alloydb/v1/2.0.0/com/google/api/services/alloydb/v1/model/StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo.java
@@ -49,6 +49,13 @@ public final class StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo
   @com.google.api.client.util.Key
   private StorageDatabasecenterPartnerapiV1mainResourceMaintenanceSchedule maintenanceSchedule;
 
+  /**
+   * Output only. Current state of maintenance on the database resource.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.String maintenanceState;
+
   /**
    * Optional. Current Maintenance version of the database resource. Example:
    * "MYSQL_8_0_41.R20250531.01_15"
@@ -57,6 +64,14 @@ public final class StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo
   @com.google.api.client.util.Key
   private java.lang.String maintenanceVersion;
 
+  /**
+   * Optional. Upcoming maintenance for the database resource. This field is populated once SLM
+   * generates and publishes upcoming maintenance window.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance upcomingMaintenance;
+
   /**
    * Optional. List of Deny maintenance period for the database resource.
    * @return value or {@code null} for none
@@ -91,6 +106,23 @@ public StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo setMaintenan
     return this;
   }
 
+  /**
+   * Output only. Current state of maintenance on the database resource.
+   * @return value or {@code null} for none
+   */
+  public java.lang.String getMaintenanceState() {
+    return maintenanceState;
+  }
+
+  /**
+   * Output only. Current state of maintenance on the database resource.
+   * @param maintenanceState maintenanceState or {@code null} for none
+   */
+  public StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo setMaintenanceState(java.lang.String maintenanceState) {
+    this.maintenanceState = maintenanceState;
+    return this;
+  }
+
   /**
    * Optional. Current Maintenance version of the database resource. Example:
    * "MYSQL_8_0_41.R20250531.01_15"
@@ -110,6 +142,25 @@ public StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo setMaintenan
     return this;
   }
 
+  /**
+   * Optional. Upcoming maintenance for the database resource. This field is populated once SLM
+   * generates and publishes upcoming maintenance window.
+   * @return value or {@code null} for none
+   */
+  public StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance getUpcomingMaintenance() {
+    return upcomingMaintenance;
+  }
+
+  /**
+   * Optional. Upcoming maintenance for the database resource. This field is populated once SLM
+   * generates and publishes upcoming maintenance window.
+   * @param upcomingMaintenance upcomingMaintenance or {@code null} for none
+   */
+  public StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo setUpcomingMaintenance(StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance upcomingMaintenance) {
+    this.upcomingMaintenance = upcomingMaintenance;
+    return this;
+  }
+
   @Override
   public StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo set(String fieldName, Object value) {
     return (StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo) super.set(fieldName, value);
diff --git a/clients/google-api-services-alloydb/v1/2.0.0/com/google/api/services/alloydb/v1/model/StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance.java b/clients/google-api-services-alloydb/v1/2.0.0/com/google/api/services/alloydb/v1/model/StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance.java
new file mode 100644
index 00000000000..4d312bfa9fb
--- /dev/null
+++ b/clients/google-api-services-alloydb/v1/2.0.0/com/google/api/services/alloydb/v1/model/StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance.java
@@ -0,0 +1,91 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+/*
+ * This code was generated by https://github.com/googleapis/google-api-java-client-services/
+ * Modify at your own risk.
+ */
+
+package com.google.api.services.alloydb.v1.model;
+
+/**
+ * Upcoming maintenance for the database resource. This is generated by SLM once the upcoming
+ * maintenance schedule is published.
+ *
+ * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
+ * transmitted over HTTP when working with the AlloyDB API. For a detailed explanation see:
+ * <a href="https://developers.google.com/api-client-library/java/google-http-java-client/json">https://developers.google.com/api-client-library/java/google-http-java-client/json</a>
+ * </p>
+ *
+ * @author Google, Inc.
+ */
+@SuppressWarnings("javadoc")
+public final class StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance extends com.google.api.client.json.GenericJson {
+
+  /**
+   * Optional. The end time of the upcoming maintenance.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private String endTime;
+
+  /**
+   * Optional. The start time of the upcoming maintenance.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private String startTime;
+
+  /**
+   * Optional. The end time of the upcoming maintenance.
+   * @return value or {@code null} for none
+   */
+  public String getEndTime() {
+    return endTime;
+  }
+
+  /**
+   * Optional. The end time of the upcoming maintenance.
+   * @param endTime endTime or {@code null} for none
+   */
+  public StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance setEndTime(String endTime) {
+    this.endTime = endTime;
+    return this;
+  }
+
+  /**
+   * Optional. The start time of the upcoming maintenance.
+   * @return value or {@code null} for none
+   */
+  public String getStartTime() {
+    return startTime;
+  }
+
+  /**
+   * Optional. The start time of the upcoming maintenance.
+   * @param startTime startTime or {@code null} for none
+   */
+  public StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance setStartTime(String startTime) {
+    this.startTime = startTime;
+    return this;
+  }
+
+  @Override
+  public StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance set(String fieldName, Object value) {
+    return (StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance) super.set(fieldName, value);
+  }
+
+  @Override
+  public StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance clone() {
+    return (StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance) super.clone();
+  }
+
+}
diff --git a/clients/google-api-services-alloydb/v1/2.0.0/pom.xml b/clients/google-api-services-alloydb/v1/2.0.0/pom.xml
index 435d19189ba..65105ea15eb 100644
--- a/clients/google-api-services-alloydb/v1/2.0.0/pom.xml
+++ b/clients/google-api-services-alloydb/v1/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-alloydb</artifactId>
-  <version>v1-rev20260108-2.0.0</version>
-  <name>AlloyDB API v1-rev20260108-2.0.0</name>
+  <version>v1-rev20260122-2.0.0</version>
+  <name>AlloyDB API v1-rev20260122-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-alloydb/v1/README.md b/clients/google-api-services-alloydb/v1/README.md
index 769244f3469..2ff73dfee00 100644
--- a/clients/google-api-services-alloydb/v1/README.md
+++ b/clients/google-api-services-alloydb/v1/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-alloydb</artifactId>
-      <version>v1-rev20260108-2.0.0</version>
+      <version>v1-rev20260122-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-alloydb:v1-rev20260108-2.0.0'
+  implementation 'com.google.apis:google-api-services-alloydb:v1-rev20260122-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-alloydb/v1alpha/2.0.0/README.md b/clients/google-api-services-alloydb/v1alpha/2.0.0/README.md
index e41a59f2d59..5f83f536bb1 100644
--- a/clients/google-api-services-alloydb/v1alpha/2.0.0/README.md
+++ b/clients/google-api-services-alloydb/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-alloydb</artifactId>
-      <version>v1alpha-rev20260108-2.0.0</version>
+      <version>v1alpha-rev20260122-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-alloydb:v1alpha-rev20260108-2.0.0'
+  implementation 'com.google.apis:google-api-services-alloydb:v1alpha-rev20260122-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-alloydb/v1alpha/2.0.0/com/google/api/services/alloydb/v1alpha/model/Instance.java b/clients/google-api-services-alloydb/v1alpha/2.0.0/com/google/api/services/alloydb/v1alpha/model/Instance.java
index 536e27c7f03..04911dff19f 100644
--- a/clients/google-api-services-alloydb/v1alpha/2.0.0/com/google/api/services/alloydb/v1alpha/model/Instance.java
+++ b/clients/google-api-services-alloydb/v1alpha/2.0.0/com/google/api/services/alloydb/v1alpha/model/Instance.java
@@ -80,6 +80,17 @@ public final class Instance extends com.google.api.client.json.GenericJson {
   @com.google.api.client.util.Key
   private String createTime;
 
+  /**
+   * Optional. Controls whether the Data API is enabled for this instance. When enabled, this allows
+   * authorized users to connect to the instance from the public internet using the `executeSql`
+   * API, even for private IP instances. If this is not specified, the data API is enabled by
+   * default for Google internal services like AlloyDB Studio. Disable it explicitly to disallow
+   * Google internal services as well.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.String dataApiAccess;
+
   /**
    * Database flags. Set at the instance level. They are copied from the primary instance on
    * secondary instance creation. Flags that have restrictions default to the value at primary
@@ -429,6 +440,31 @@ public Instance setCreateTime(String createTime) {
     return this;
   }
 
+  /**
+   * Optional. Controls whether the Data API is enabled for this instance. When enabled, this allows
+   * authorized users to connect to the instance from the public internet using the `executeSql`
+   * API, even for private IP instances. If this is not specified, the data API is enabled by
+   * default for Google internal services like AlloyDB Studio. Disable it explicitly to disallow
+   * Google internal services as well.
+   * @return value or {@code null} for none
+   */
+  public java.lang.String getDataApiAccess() {
+    return dataApiAccess;
+  }
+
+  /**
+   * Optional. Controls whether the Data API is enabled for this instance. When enabled, this allows
+   * authorized users to connect to the instance from the public internet using the `executeSql`
+   * API, even for private IP instances. If this is not specified, the data API is enabled by
+   * default for Google internal services like AlloyDB Studio. Disable it explicitly to disallow
+   * Google internal services as well.
+   * @param dataApiAccess dataApiAccess or {@code null} for none
+   */
+  public Instance setDataApiAccess(java.lang.String dataApiAccess) {
+    this.dataApiAccess = dataApiAccess;
+    return this;
+  }
+
   /**
    * Database flags. Set at the instance level. They are copied from the primary instance on
    * secondary instance creation. Flags that have restrictions default to the value at primary
diff --git a/clients/google-api-services-alloydb/v1alpha/2.0.0/com/google/api/services/alloydb/v1alpha/model/StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo.java b/clients/google-api-services-alloydb/v1alpha/2.0.0/com/google/api/services/alloydb/v1alpha/model/StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo.java
index 1052a25950b..d1f856a99b2 100644
--- a/clients/google-api-services-alloydb/v1alpha/2.0.0/com/google/api/services/alloydb/v1alpha/model/StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo.java
+++ b/clients/google-api-services-alloydb/v1alpha/2.0.0/com/google/api/services/alloydb/v1alpha/model/StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo.java
@@ -49,6 +49,13 @@ public final class StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo
   @com.google.api.client.util.Key
   private StorageDatabasecenterPartnerapiV1mainResourceMaintenanceSchedule maintenanceSchedule;
 
+  /**
+   * Output only. Current state of maintenance on the database resource.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.String maintenanceState;
+
   /**
    * Optional. Current Maintenance version of the database resource. Example:
    * "MYSQL_8_0_41.R20250531.01_15"
@@ -57,6 +64,14 @@ public final class StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo
   @com.google.api.client.util.Key
   private java.lang.String maintenanceVersion;
 
+  /**
+   * Optional. Upcoming maintenance for the database resource. This field is populated once SLM
+   * generates and publishes upcoming maintenance window.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance upcomingMaintenance;
+
   /**
    * Optional. List of Deny maintenance period for the database resource.
    * @return value or {@code null} for none
@@ -91,6 +106,23 @@ public StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo setMaintenan
     return this;
   }
 
+  /**
+   * Output only. Current state of maintenance on the database resource.
+   * @return value or {@code null} for none
+   */
+  public java.lang.String getMaintenanceState() {
+    return maintenanceState;
+  }
+
+  /**
+   * Output only. Current state of maintenance on the database resource.
+   * @param maintenanceState maintenanceState or {@code null} for none
+   */
+  public StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo setMaintenanceState(java.lang.String maintenanceState) {
+    this.maintenanceState = maintenanceState;
+    return this;
+  }
+
   /**
    * Optional. Current Maintenance version of the database resource. Example:
    * "MYSQL_8_0_41.R20250531.01_15"
@@ -110,6 +142,25 @@ public StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo setMaintenan
     return this;
   }
 
+  /**
+   * Optional. Upcoming maintenance for the database resource. This field is populated once SLM
+   * generates and publishes upcoming maintenance window.
+   * @return value or {@code null} for none
+   */
+  public StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance getUpcomingMaintenance() {
+    return upcomingMaintenance;
+  }
+
+  /**
+   * Optional. Upcoming maintenance for the database resource. This field is populated once SLM
+   * generates and publishes upcoming maintenance window.
+   * @param upcomingMaintenance upcomingMaintenance or {@code null} for none
+   */
+  public StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo setUpcomingMaintenance(StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance upcomingMaintenance) {
+    this.upcomingMaintenance = upcomingMaintenance;
+    return this;
+  }
+
   @Override
   public StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo set(String fieldName, Object value) {
     return (StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo) super.set(fieldName, value);
diff --git a/clients/google-api-services-alloydb/v1alpha/2.0.0/com/google/api/services/alloydb/v1alpha/model/StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance.java b/clients/google-api-services-alloydb/v1alpha/2.0.0/com/google/api/services/alloydb/v1alpha/model/StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance.java
new file mode 100644
index 00000000000..99097c80039
--- /dev/null
+++ b/clients/google-api-services-alloydb/v1alpha/2.0.0/com/google/api/services/alloydb/v1alpha/model/StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance.java
@@ -0,0 +1,91 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+/*
+ * This code was generated by https://github.com/googleapis/google-api-java-client-services/
+ * Modify at your own risk.
+ */
+
+package com.google.api.services.alloydb.v1alpha.model;
+
+/**
+ * Upcoming maintenance for the database resource. This is generated by SLM once the upcoming
+ * maintenance schedule is published.
+ *
+ * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
+ * transmitted over HTTP when working with the AlloyDB API. For a detailed explanation see:
+ * <a href="https://developers.google.com/api-client-library/java/google-http-java-client/json">https://developers.google.com/api-client-library/java/google-http-java-client/json</a>
+ * </p>
+ *
+ * @author Google, Inc.
+ */
+@SuppressWarnings("javadoc")
+public final class StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance extends com.google.api.client.json.GenericJson {
+
+  /**
+   * Optional. The end time of the upcoming maintenance.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private String endTime;
+
+  /**
+   * Optional. The start time of the upcoming maintenance.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private String startTime;
+
+  /**
+   * Optional. The end time of the upcoming maintenance.
+   * @return value or {@code null} for none
+   */
+  public String getEndTime() {
+    return endTime;
+  }
+
+  /**
+   * Optional. The end time of the upcoming maintenance.
+   * @param endTime endTime or {@code null} for none
+   */
+  public StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance setEndTime(String endTime) {
+    this.endTime = endTime;
+    return this;
+  }
+
+  /**
+   * Optional. The start time of the upcoming maintenance.
+   * @return value or {@code null} for none
+   */
+  public String getStartTime() {
+    return startTime;
+  }
+
+  /**
+   * Optional. The start time of the upcoming maintenance.
+   * @param startTime startTime or {@code null} for none
+   */
+  public StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance setStartTime(String startTime) {
+    this.startTime = startTime;
+    return this;
+  }
+
+  @Override
+  public StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance set(String fieldName, Object value) {
+    return (StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance) super.set(fieldName, value);
+  }
+
+  @Override
+  public StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance clone() {
+    return (StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance) super.clone();
+  }
+
+}
diff --git a/clients/google-api-services-alloydb/v1alpha/2.0.0/pom.xml b/clients/google-api-services-alloydb/v1alpha/2.0.0/pom.xml
index b48e8b95615..afb74ac359f 100644
--- a/clients/google-api-services-alloydb/v1alpha/2.0.0/pom.xml
+++ b/clients/google-api-services-alloydb/v1alpha/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-alloydb</artifactId>
-  <version>v1alpha-rev20260108-2.0.0</version>
-  <name>AlloyDB API v1alpha-rev20260108-2.0.0</name>
+  <version>v1alpha-rev20260122-2.0.0</version>
+  <name>AlloyDB API v1alpha-rev20260122-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-alloydb/v1alpha/README.md b/clients/google-api-services-alloydb/v1alpha/README.md
index e41a59f2d59..5f83f536bb1 100644
--- a/clients/google-api-services-alloydb/v1alpha/README.md
+++ b/clients/google-api-services-alloydb/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-alloydb</artifactId>
-      <version>v1alpha-rev20260108-2.0.0</version>
+      <version>v1alpha-rev20260122-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-alloydb:v1alpha-rev20260108-2.0.0'
+  implementation 'com.google.apis:google-api-services-alloydb:v1alpha-rev20260122-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-alloydb/v1beta/2.0.0/README.md b/clients/google-api-services-alloydb/v1beta/2.0.0/README.md
index 1c6fa0f71f1..58cfdee9d31 100644
--- a/clients/google-api-services-alloydb/v1beta/2.0.0/README.md
+++ b/clients/google-api-services-alloydb/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-alloydb</artifactId>
-      <version>v1beta-rev20260108-2.0.0</version>
+      <version>v1beta-rev20260122-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-alloydb:v1beta-rev20260108-2.0.0'
+  implementation 'com.google.apis:google-api-services-alloydb:v1beta-rev20260122-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-alloydb/v1beta/2.0.0/com/google/api/services/alloydb/v1beta/model/Instance.java b/clients/google-api-services-alloydb/v1beta/2.0.0/com/google/api/services/alloydb/v1beta/model/Instance.java
index 0c5b9cfff3f..53a6f956476 100644
--- a/clients/google-api-services-alloydb/v1beta/2.0.0/com/google/api/services/alloydb/v1beta/model/Instance.java
+++ b/clients/google-api-services-alloydb/v1beta/2.0.0/com/google/api/services/alloydb/v1beta/model/Instance.java
@@ -80,6 +80,17 @@ public final class Instance extends com.google.api.client.json.GenericJson {
   @com.google.api.client.util.Key
   private String createTime;
 
+  /**
+   * Optional. Controls whether the Data API is enabled for this instance. When enabled, this allows
+   * authorized users to connect to the instance from the public internet using the `executeSql`
+   * API, even for private IP instances. If this is not specified, the data API is enabled by
+   * default for Google internal services like AlloyDB Studio. Disable it explicitly to disallow
+   * Google internal services as well.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.String dataApiAccess;
+
   /**
    * Database flags. Set at the instance level. They are copied from the primary instance on
    * secondary instance creation. Flags that have restrictions default to the value at primary
@@ -422,6 +433,31 @@ public Instance setCreateTime(String createTime) {
     return this;
   }
 
+  /**
+   * Optional. Controls whether the Data API is enabled for this instance. When enabled, this allows
+   * authorized users to connect to the instance from the public internet using the `executeSql`
+   * API, even for private IP instances. If this is not specified, the data API is enabled by
+   * default for Google internal services like AlloyDB Studio. Disable it explicitly to disallow
+   * Google internal services as well.
+   * @return value or {@code null} for none
+   */
+  public java.lang.String getDataApiAccess() {
+    return dataApiAccess;
+  }
+
+  /**
+   * Optional. Controls whether the Data API is enabled for this instance. When enabled, this allows
+   * authorized users to connect to the instance from the public internet using the `executeSql`
+   * API, even for private IP instances. If this is not specified, the data API is enabled by
+   * default for Google internal services like AlloyDB Studio. Disable it explicitly to disallow
+   * Google internal services as well.
+   * @param dataApiAccess dataApiAccess or {@code null} for none
+   */
+  public Instance setDataApiAccess(java.lang.String dataApiAccess) {
+    this.dataApiAccess = dataApiAccess;
+    return this;
+  }
+
   /**
    * Database flags. Set at the instance level. They are copied from the primary instance on
    * secondary instance creation. Flags that have restrictions default to the value at primary
diff --git a/clients/google-api-services-alloydb/v1beta/2.0.0/com/google/api/services/alloydb/v1beta/model/StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo.java b/clients/google-api-services-alloydb/v1beta/2.0.0/com/google/api/services/alloydb/v1beta/model/StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo.java
index 33dd962d2fe..daf8fc85381 100644
--- a/clients/google-api-services-alloydb/v1beta/2.0.0/com/google/api/services/alloydb/v1beta/model/StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo.java
+++ b/clients/google-api-services-alloydb/v1beta/2.0.0/com/google/api/services/alloydb/v1beta/model/StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo.java
@@ -49,6 +49,13 @@ public final class StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo
   @com.google.api.client.util.Key
   private StorageDatabasecenterPartnerapiV1mainResourceMaintenanceSchedule maintenanceSchedule;
 
+  /**
+   * Output only. Current state of maintenance on the database resource.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.lang.String maintenanceState;
+
   /**
    * Optional. Current Maintenance version of the database resource. Example:
    * "MYSQL_8_0_41.R20250531.01_15"
@@ -57,6 +64,14 @@ public final class StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo
   @com.google.api.client.util.Key
   private java.lang.String maintenanceVersion;
 
+  /**
+   * Optional. Upcoming maintenance for the database resource. This field is populated once SLM
+   * generates and publishes upcoming maintenance window.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance upcomingMaintenance;
+
   /**
    * Optional. List of Deny maintenance period for the database resource.
    * @return value or {@code null} for none
@@ -91,6 +106,23 @@ public StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo setMaintenan
     return this;
   }
 
+  /**
+   * Output only. Current state of maintenance on the database resource.
+   * @return value or {@code null} for none
+   */
+  public java.lang.String getMaintenanceState() {
+    return maintenanceState;
+  }
+
+  /**
+   * Output only. Current state of maintenance on the database resource.
+   * @param maintenanceState maintenanceState or {@code null} for none
+   */
+  public StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo setMaintenanceState(java.lang.String maintenanceState) {
+    this.maintenanceState = maintenanceState;
+    return this;
+  }
+
   /**
    * Optional. Current Maintenance version of the database resource. Example:
    * "MYSQL_8_0_41.R20250531.01_15"
@@ -110,6 +142,25 @@ public StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo setMaintenan
     return this;
   }
 
+  /**
+   * Optional. Upcoming maintenance for the database resource. This field is populated once SLM
+   * generates and publishes upcoming maintenance window.
+   * @return value or {@code null} for none
+   */
+  public StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance getUpcomingMaintenance() {
+    return upcomingMaintenance;
+  }
+
+  /**
+   * Optional. Upcoming maintenance for the database resource. This field is populated once SLM
+   * generates and publishes upcoming maintenance window.
+   * @param upcomingMaintenance upcomingMaintenance or {@code null} for none
+   */
+  public StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo setUpcomingMaintenance(StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance upcomingMaintenance) {
+    this.upcomingMaintenance = upcomingMaintenance;
+    return this;
+  }
+
   @Override
   public StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo set(String fieldName, Object value) {
     return (StorageDatabasecenterPartnerapiV1mainResourceMaintenanceInfo) super.set(fieldName, value);
diff --git a/clients/google-api-services-alloydb/v1beta/2.0.0/com/google/api/services/alloydb/v1beta/model/StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance.java b/clients/google-api-services-alloydb/v1beta/2.0.0/com/google/api/services/alloydb/v1beta/model/StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance.java
new file mode 100644
index 00000000000..a3fdac92f54
--- /dev/null
+++ b/clients/google-api-services-alloydb/v1beta/2.0.0/com/google/api/services/alloydb/v1beta/model/StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance.java
@@ -0,0 +1,91 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+/*
+ * This code was generated by https://github.com/googleapis/google-api-java-client-services/
+ * Modify at your own risk.
+ */
+
+package com.google.api.services.alloydb.v1beta.model;
+
+/**
+ * Upcoming maintenance for the database resource. This is generated by SLM once the upcoming
+ * maintenance schedule is published.
+ *
+ * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
+ * transmitted over HTTP when working with the AlloyDB API. For a detailed explanation see:
+ * <a href="https://developers.google.com/api-client-library/java/google-http-java-client/json">https://developers.google.com/api-client-library/java/google-http-java-client/json</a>
+ * </p>
+ *
+ * @author Google, Inc.
+ */
+@SuppressWarnings("javadoc")
+public final class StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance extends com.google.api.client.json.GenericJson {
+
+  /**
+   * Optional. The end time of the upcoming maintenance.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private String endTime;
+
+  /**
+   * Optional. The start time of the upcoming maintenance.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private String startTime;
+
+  /**
+   * Optional. The end time of the upcoming maintenance.
+   * @return value or {@code null} for none
+   */
+  public String getEndTime() {
+    return endTime;
+  }
+
+  /**
+   * Optional. The end time of the upcoming maintenance.
+   * @param endTime endTime or {@code null} for none
+   */
+  public StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance setEndTime(String endTime) {
+    this.endTime = endTime;
+    return this;
+  }
+
+  /**
+   * Optional. The start time of the upcoming maintenance.
+   * @return value or {@code null} for none
+   */
+  public String getStartTime() {
+    return startTime;
+  }
+
+  /**
+   * Optional. The start time of the upcoming maintenance.
+   * @param startTime startTime or {@code null} for none
+   */
+  public StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance setStartTime(String startTime) {
+    this.startTime = startTime;
+    return this;
+  }
+
+  @Override
+  public StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance set(String fieldName, Object value) {
+    return (StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance) super.set(fieldName, value);
+  }
+
+  @Override
+  public StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance clone() {
+    return (StorageDatabasecenterPartnerapiV1mainUpcomingMaintenance) super.clone();
+  }
+
+}
diff --git a/clients/google-api-services-alloydb/v1beta/2.0.0/pom.xml b/clients/google-api-services-alloydb/v1beta/2.0.0/pom.xml
index f33f70aa510..41940df73fc 100644
--- a/clients/google-api-services-alloydb/v1beta/2.0.0/pom.xml
+++ b/clients/google-api-services-alloydb/v1beta/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-alloydb</artifactId>
-  <version>v1beta-rev20260108-2.0.0</version>
-  <name>AlloyDB API v1beta-rev20260108-2.0.0</name>
+  <version>v1beta-rev20260122-2.0.0</version>
+  <name>AlloyDB API v1beta-rev20260122-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-alloydb/v1beta/README.md b/clients/google-api-services-alloydb/v1beta/README.md
index 1c6fa0f71f1..58cfdee9d31 100644
--- a/clients/google-api-services-alloydb/v1beta/README.md
+++ b/clients/google-api-services-alloydb/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-alloydb</artifactId>
-      <version>v1beta-rev20260108-2.0.0</version>
+      <version>v1beta-rev20260122-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-alloydb:v1beta-rev20260108-2.0.0'
+  implementation 'com.google.apis:google-api-services-alloydb:v1beta-rev20260122-2.0.0'
 }
 ```