diff --git a/clients/google-api-services-merchantapi/notifications_v1/2.0.0/README.md b/clients/google-api-services-merchantapi/notifications_v1/2.0.0/README.md
index 3d5d21f22ea..270d032791b 100644
--- a/clients/google-api-services-merchantapi/notifications_v1/2.0.0/README.md
+++ b/clients/google-api-services-merchantapi/notifications_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-merchantapi</artifactId>
-      <version>notifications_v1-rev20260722-2.0.0</version>
+      <version>notifications_v1-rev20260817-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-merchantapi:notifications_v1-rev20260722-2.0.0'
+  implementation 'com.google.apis:google-api-services-merchantapi:notifications_v1-rev20260817-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-merchantapi/notifications_v1/2.0.0/com/google/api/services/merchantapi/notifications_v1/Merchant.java b/clients/google-api-services-merchantapi/notifications_v1/2.0.0/com/google/api/services/merchantapi/notifications_v1/Merchant.java
index 2fb98706766..7857ce245b5 100644
--- a/clients/google-api-services-merchantapi/notifications_v1/2.0.0/com/google/api/services/merchantapi/notifications_v1/Merchant.java
+++ b/clients/google-api-services-merchantapi/notifications_v1/2.0.0/com/google/api/services/merchantapi/notifications_v1/Merchant.java
@@ -742,24 +742,24 @@ public List setParent(java.lang.String parent) {
         }
 
         /**
-         * The maximum number of notification subscriptions to return in a page. The default value
-         * for `page_size` is 100. The maximum value is `200`. Values above `200` will be coerced to
-         * `200`.
+         * Optional. The maximum number of notification subscriptions to return in a page. The
+         * default value for `page_size` is 100. The maximum value is `200`. Values above `200` will
+         * be coerced to `200`.
          */
         @com.google.api.client.util.Key
         private java.lang.Integer pageSize;
 
-        /** The maximum number of notification subscriptions to return in a page. The default value for
-       `page_size` is 100. The maximum value is `200`. Values above `200` will be coerced to `200`.
+        /** Optional. The maximum number of notification subscriptions to return in a page. The default value
+       for `page_size` is 100. The maximum value is `200`. Values above `200` will be coerced to `200`.
          */
         public java.lang.Integer getPageSize() {
           return pageSize;
         }
 
         /**
-         * The maximum number of notification subscriptions to return in a page. The default value
-         * for `page_size` is 100. The maximum value is `200`. Values above `200` will be coerced to
-         * `200`.
+         * Optional. The maximum number of notification subscriptions to return in a page. The
+         * default value for `page_size` is 100. The maximum value is `200`. Values above `200` will
+         * be coerced to `200`.
          */
         public List setPageSize(java.lang.Integer pageSize) {
           this.pageSize = pageSize;
@@ -767,22 +767,22 @@ public List setPageSize(java.lang.Integer pageSize) {
         }
 
         /**
-         * Token (if provided) to retrieve the subsequent page. All other parameters must match the
-         * original call that provided the page token.
+         * Optional. Token (if provided) to retrieve the subsequent page. All other parameters must
+         * match the original call that provided the page token.
          */
         @com.google.api.client.util.Key
         private java.lang.String pageToken;
 
-        /** Token (if provided) to retrieve the subsequent page. All other parameters must match the original
-       call that provided the page token.
+        /** Optional. Token (if provided) to retrieve the subsequent page. All other parameters must match the
+       original call that provided the page token.
          */
         public java.lang.String getPageToken() {
           return pageToken;
         }
 
         /**
-         * Token (if provided) to retrieve the subsequent page. All other parameters must match the
-         * original call that provided the page token.
+         * Optional. Token (if provided) to retrieve the subsequent page. All other parameters must
+         * match the original call that provided the page token.
          */
         public List setPageToken(java.lang.String pageToken) {
           this.pageToken = pageToken;
diff --git a/clients/google-api-services-merchantapi/notifications_v1/2.0.0/pom.xml b/clients/google-api-services-merchantapi/notifications_v1/2.0.0/pom.xml
index 1851c5189a8..07e2316cea3 100644
--- a/clients/google-api-services-merchantapi/notifications_v1/2.0.0/pom.xml
+++ b/clients/google-api-services-merchantapi/notifications_v1/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-merchantapi</artifactId>
-  <version>notifications_v1-rev20260722-2.0.0</version>
-  <name>Merchant API notifications_v1-rev20260722-2.0.0</name>
+  <version>notifications_v1-rev20260817-2.0.0</version>
+  <name>Merchant API notifications_v1-rev20260817-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-merchantapi/notifications_v1/README.md b/clients/google-api-services-merchantapi/notifications_v1/README.md
index 3d5d21f22ea..270d032791b 100644
--- a/clients/google-api-services-merchantapi/notifications_v1/README.md
+++ b/clients/google-api-services-merchantapi/notifications_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-merchantapi</artifactId>
-      <version>notifications_v1-rev20260722-2.0.0</version>
+      <version>notifications_v1-rev20260817-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-merchantapi:notifications_v1-rev20260722-2.0.0'
+  implementation 'com.google.apis:google-api-services-merchantapi:notifications_v1-rev20260817-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-merchantapi/notifications_v1beta/2.0.0/README.md b/clients/google-api-services-merchantapi/notifications_v1beta/2.0.0/README.md
index 510a3a868d4..6e4174008ef 100644
--- a/clients/google-api-services-merchantapi/notifications_v1beta/2.0.0/README.md
+++ b/clients/google-api-services-merchantapi/notifications_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-merchantapi</artifactId>
-      <version>notifications_v1beta-rev20260722-2.0.0</version>
+      <version>notifications_v1beta-rev20260817-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-merchantapi:notifications_v1beta-rev20260722-2.0.0'
+  implementation 'com.google.apis:google-api-services-merchantapi:notifications_v1beta-rev20260817-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-merchantapi/notifications_v1beta/2.0.0/com/google/api/services/merchantapi/notifications_v1beta/Merchant.java b/clients/google-api-services-merchantapi/notifications_v1beta/2.0.0/com/google/api/services/merchantapi/notifications_v1beta/Merchant.java
index d8761dc3c71..c0f31c192ea 100644
--- a/clients/google-api-services-merchantapi/notifications_v1beta/2.0.0/com/google/api/services/merchantapi/notifications_v1beta/Merchant.java
+++ b/clients/google-api-services-merchantapi/notifications_v1beta/2.0.0/com/google/api/services/merchantapi/notifications_v1beta/Merchant.java
@@ -742,24 +742,24 @@ public List setParent(java.lang.String parent) {
         }
 
         /**
-         * The maximum number of notification subscriptions to return in a page. The default value
-         * for `page_size` is 100. The maximum value is `200`. Values above `200` will be coerced to
-         * `200`.
+         * Optional. The maximum number of notification subscriptions to return in a page. The
+         * default value for `page_size` is 100. The maximum value is `200`. Values above `200` will
+         * be coerced to `200`.
          */
         @com.google.api.client.util.Key
         private java.lang.Integer pageSize;
 
-        /** The maximum number of notification subscriptions to return in a page. The default value for
-       `page_size` is 100. The maximum value is `200`. Values above `200` will be coerced to `200`.
+        /** Optional. The maximum number of notification subscriptions to return in a page. The default value
+       for `page_size` is 100. The maximum value is `200`. Values above `200` will be coerced to `200`.
          */
         public java.lang.Integer getPageSize() {
           return pageSize;
         }
 
         /**
-         * The maximum number of notification subscriptions to return in a page. The default value
-         * for `page_size` is 100. The maximum value is `200`. Values above `200` will be coerced to
-         * `200`.
+         * Optional. The maximum number of notification subscriptions to return in a page. The
+         * default value for `page_size` is 100. The maximum value is `200`. Values above `200` will
+         * be coerced to `200`.
          */
         public List setPageSize(java.lang.Integer pageSize) {
           this.pageSize = pageSize;
@@ -767,22 +767,22 @@ public List setPageSize(java.lang.Integer pageSize) {
         }
 
         /**
-         * Token (if provided) to retrieve the subsequent page. All other parameters must match the
-         * original call that provided the page token.
+         * Optional. Token (if provided) to retrieve the subsequent page. All other parameters must
+         * match the original call that provided the page token.
          */
         @com.google.api.client.util.Key
         private java.lang.String pageToken;
 
-        /** Token (if provided) to retrieve the subsequent page. All other parameters must match the original
-       call that provided the page token.
+        /** Optional. Token (if provided) to retrieve the subsequent page. All other parameters must match the
+       original call that provided the page token.
          */
         public java.lang.String getPageToken() {
           return pageToken;
         }
 
         /**
-         * Token (if provided) to retrieve the subsequent page. All other parameters must match the
-         * original call that provided the page token.
+         * Optional. Token (if provided) to retrieve the subsequent page. All other parameters must
+         * match the original call that provided the page token.
          */
         public List setPageToken(java.lang.String pageToken) {
           this.pageToken = pageToken;
diff --git a/clients/google-api-services-merchantapi/notifications_v1beta/2.0.0/pom.xml b/clients/google-api-services-merchantapi/notifications_v1beta/2.0.0/pom.xml
index 4c924c5b65c..6e904db2cfa 100644
--- a/clients/google-api-services-merchantapi/notifications_v1beta/2.0.0/pom.xml
+++ b/clients/google-api-services-merchantapi/notifications_v1beta/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-merchantapi</artifactId>
-  <version>notifications_v1beta-rev20260722-2.0.0</version>
-  <name>Merchant API notifications_v1beta-rev20260722-2.0.0</name>
+  <version>notifications_v1beta-rev20260817-2.0.0</version>
+  <name>Merchant API notifications_v1beta-rev20260817-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-merchantapi/notifications_v1beta/README.md b/clients/google-api-services-merchantapi/notifications_v1beta/README.md
index 510a3a868d4..6e4174008ef 100644
--- a/clients/google-api-services-merchantapi/notifications_v1beta/README.md
+++ b/clients/google-api-services-merchantapi/notifications_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-merchantapi</artifactId>
-      <version>notifications_v1beta-rev20260722-2.0.0</version>
+      <version>notifications_v1beta-rev20260817-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-merchantapi:notifications_v1beta-rev20260722-2.0.0'
+  implementation 'com.google.apis:google-api-services-merchantapi:notifications_v1beta-rev20260817-2.0.0'
 }
 ```