Merchant API code sample to delete a notification subscription.

### Java

    // Copyright 2025 Google LLC
    //
    // 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
    //
    //      https://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.

    package shopping.merchant.samples.notifications.v1;

    import com.google.api.gax.core.FixedCredentialsProvider;
    import com.google.auth.oauth2.GoogleCredentials;
    import com.google.shopping.merchant.notifications.v1.DeleteNotificationSubscriptionRequest;
    import com.google.shopping.merchant.notifications.v1.NotificationSubscriptionName;
    import com.google.shopping.merchant.notifications.v1.NotificationsApiServiceClient;
    import com.google.shopping.merchant.notifications.v1.NotificationsApiServiceSettings;
    import shopping.merchant.samples.utils.Authenticator;
    import shopping.merchant.samples.utils.Config;

    /**
     * This class demonstrates how to delete a specific Notification Subscription for a given Merchant
     * Center account.
     */
    public class DeleteNotificationSubscriptionSample {

      public static void deleteNotificationSubscription(Config config) throws Exception {

        // Obtains OAuth token based on the user's configuration.
        GoogleCredentials credential = new Authenticator().authenticate();

        // Creates service settings using the credentials retrieved above.
        NotificationsApiServiceSettings notificationsApiServiceSettings =
            NotificationsApiServiceSettings.newBuilder()
                .setCredentialsProvider(FixedCredentialsProvider.create(credential))
                .build();

        // Replace "YOUR_NOTIFICATION_SUBSCRIPTION_ID" with the actual ID.  This must match
        // the ID used when creating/getting the subscription.
        String notificationSubscriptionId = "YOUR_NOTIFICATION_SUBSCRIPTION_ID";

        // Creates notification subscription name to identify the subscription.
        String name =
            NotificationSubscriptionName.newBuilder()
                .setAccount(config.getAccountId().toString())
                .setNotificationSubscription(notificationSubscriptionId)
                .build()
                .toString();

        // Calls the API and catches and prints any network failures/errors.
        try (NotificationsApiServiceClient notificationSubscriptionServiceClient =
            NotificationsApiServiceClient.create(notificationsApiServiceSettings)) {

          // The name has the format:
          // accounts/{account}/notificationSubscription/{notification_subscription_id}
          DeleteNotificationSubscriptionRequest request =
              DeleteNotificationSubscriptionRequest.newBuilder().setName(name).build();

          System.out.println("Sending delete Notification Subscription request:");
          notificationSubscriptionServiceClient.deleteNotificationSubscription(request);

          System.out.println("Deleted Notification Subscription: " + name);

        } catch (Exception e) {
          System.out.println(e);
        }
      }

      public static void main(String[] args) throws Exception {
        Config config = Config.load();
        deleteNotificationSubscription(config);
      }
    }

### PHP

    <?php
    /**
     * Copyright 2025 Google LLC
     *
     * 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
     *
     *     https://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.
     */

    require_once __DIR__ . '/../../../vendor/autoload.php';
    require_once __DIR__ . '/../../Authentication/Authentication.php';
    require_once __DIR__ . '/../../Authentication/Config.php';
    use Google\ApiCore\ApiException;
    use Google\Shopping\Merchant\Notifications\V1\Client\NotificationsApiServiceClient;
    use Google\Shopping\Merchant\Notifications\V1\DeleteNotificationSubscriptionRequest;

    /**
     * Deletes a Notification Subscription.
     */
    class DeleteNotificationSubscription
    {
        /**
         * Deletes a specific Notification Subscription for a given Merchant Center account.
         *
         * @param array $config
         *  Configuration data for authentication and account details.
         * @param string $notificationSubscriptionId
         *  The ID of the notification subscription to delete.
         * @throws ApiException
         */
        public static function deleteNotificationSubscriptionSample($config, $notificationSubscriptionId): void
        {
            // Get OAuth credentials.
            $credentials = Authentication::useServiceAccountOrTokenFile();

            // Set up client options.
            $options = ['credentials' => $credentials];

            // Create a client instance.
            $notificationsApiServiceClient = new NotificationsApiServiceClient($options);

            // Construct the resource name.
            $name = "accounts/" . $config['accountId'] .
                "/notificationsubscriptions/" . $notificationSubscriptionId;

            // Create the request object.
            $request = new DeleteNotificationSubscriptionRequest(['name' => $name]);

            print "Sending delete Notification Subscription request:\n";

            // Make the API call.
            try {
                $notificationsApiServiceClient->deleteNotificationSubscription($request);
                print "Deleted Notification Subscription: " . $name . "\n";
            } catch (ApiException $e) {
                print "Request failed:\n";
                print $e->getMessage() . "\n";
            }
        }

        /**
         * Execute the sample.
         *
         * @throws ApiException
         */
        public function callSample(): void
        {
            $config = Config::generateConfig();
            // Replace with the actual notification subscription ID.
            $notificationSubscriptionId = "YOUR_NOTIFICATION_SUBSCRIPTION_ID";

            self::deleteNotificationSubscriptionSample($config, $notificationSubscriptionId);
        }
    }

    // Run the script.
    $sample = new DeleteNotificationSubscription();
    $sample->callSample();

### Python

    # -*- coding: utf-8 -*-
    # Copyright 2025 Google LLC
    #
    # 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.
    """A module to delete NotificationSubscription."""

    from examples.authentication import configuration
    from examples.authentication import generate_user_credentials
    from google.shopping.merchant_notifications_v1 import DeleteNotificationSubscriptionRequest
    from google.shopping.merchant_notifications_v1 import NotificationsApiServiceClient


    _ACCOUNT = configuration.Configuration().read_merchant_info()


    def delete_notification_subscription():
      """Deletes a specific Notification Subscription for a given Merchant Center account."""

      # Gets OAuth Credentials.
      credentials = generate_user_credentials.main()

      # Creates a client.
      client = NotificationsApiServiceClient(credentials=credentials)

      # Replace "YOUR_NOTIFICATION_SUBSCRIPTION_ID" with the actual ID.
      notification_subscription_id = "YOUR_NOTIFICATION_SUBSCRIPTION_ID"

      # Creates notification subscription name to identify the subscription.
      name = f"accounts/{_ACCOUNT}/notificationsubscriptions/{notification_subscription_id}"

      # Creates the request.
      request = DeleteNotificationSubscriptionRequest(name=name)

      print("Sending delete Notification Subscription request:")
      # Makes the request and catches and prints any error messages.
      try:
        client.delete_notification_subscription(request=request)
        print(f"Deleted Notification Subscription: {name}")
      except RuntimeError as e:
        print(e)


    if __name__ == "__main__":
      delete_notification_subscription()