Merchant API code sample to claim a homepage.

### Java

    // Copyright 2024 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.accounts.homepages.v1;
    import com.google.api.gax.core.FixedCredentialsProvider;
    import com.google.auth.oauth2.GoogleCredentials;
    import com.google.shopping.merchant.accounts.v1.ClaimHomepageRequest;
    import com.google.shopping.merchant.accounts.v1.Homepage;
    import com.google.shopping.merchant.accounts.v1.HomepageName;
    import com.google.shopping.merchant.accounts.v1.HomepageServiceClient;
    import com.google.shopping.merchant.accounts.v1.HomepageServiceSettings;
    import shopping.merchant.samples.utils.Authenticator;
    import shopping.merchant.samples.utils.Config;

    /** This class demonstrates how to claim the homepage for a given Merchant Center account. */
    public class ClaimHomepageSample {

      // Executing this method requires admin access.
      public static void claimHomepage(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.
        HomepageServiceSettings homepageServiceSettings =
            HomepageServiceSettings.newBuilder()
                .setCredentialsProvider(FixedCredentialsProvider.create(credential))
                .build();

        // Creates Homepage name to identify Homepage.
        // The name has the format: accounts/{account}/homepage
        String name =
            HomepageName.newBuilder().setAccount(config.getAccountId().toString()).build().toString();

        // Calls the API and catches and prints any network failures/errors.
        try (HomepageServiceClient homepageServiceClient =
            HomepageServiceClient.create(homepageServiceSettings)) {

          ClaimHomepageRequest request = ClaimHomepageRequest.newBuilder().setName(name).build();

          System.out.println("Sending Claim Homepage request:");

          // If the homepage is already claimed, this will recheck the
          // verification (unless the merchant is exempt from claiming, which also
          // exempts from verification) and return a successful response. If ownership
          // can no longer be verified, it will return an error, but it won't lose an existing
          // claim. In case of failure, a canonical error message will be returned:
          //    * PERMISSION_DENIED: user doesn't have the necessary permissions on this
          //    MC account;
          //    * FAILED_PRECONDITION:
          //      - The account is not a Merchant Center account;
          //      - MC account doesn't have a homepage;
          //      - claiming failed (in this case the error message will contain more
          //      details).
          Homepage response = homepageServiceClient.claimHomepage(request);

          System.out.println("Retrieved Homepage below");
          System.out.println(response);
        } catch (Exception e) {
          System.out.println(e);
        }
      }

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

        claimHomepage(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\Accounts\V1\ClaimHomepageRequest;
    use Google\Shopping\Merchant\Accounts\V1\Client\HomepageServiceClient;

    /**
     * This class demonstrates how to claim the homepage for a given Merchant Center account.
     */
    class ClaimHomepage
    {
        /**
         * Claims the homepage for a given Merchant Center account.
         *
         * @param array $config The configuration data for authentication and account ID.
         * @return void
         * @throws ApiException if the API call fails.
         */
        public static function claimHomepageSample(array $config): void
        {
            // Gets the OAuth credentials to make the request.
            $credentials = Authentication::useServiceAccountOrTokenFile();

            // Creates options config containing credentials for the client to use.
            $options = ['credentials' => $credentials];

            // Creates a client.
            $homepageServiceClient = new HomepageServiceClient($options);

            // Creates Homepage name to identify Homepage.
            // The name has the format: accounts/{account}/homepage
            $name = "accounts/" . $config['accountId'] . "/homepage";

            // Calls the API and catches and prints any network failures/errors.
            try {
                $request = new ClaimHomepageRequest(['name' => $name]);

                print "Sending Claim Homepage request:\n";

                $response = $homepageServiceClient->claimHomepage($request);

                print "Retrieved Homepage below\n";
                print_r($response);
            } catch (ApiException $e) {
                print $e->getMessage();
            }
        }

        /**
         * Helper to execute the sample.
         *
         * @return void
         */
        public function callSample(): void
        {
            $config = Config::generateConfig();

            // Makes the call to claim the homepage.
            self::claimHomepageSample($config);
        }
    }

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

### Python

    # -*- coding: utf-8 -*-
    # Copyright 2024 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 claim a Homepage."""

    from examples.authentication import configuration
    from examples.authentication import generate_user_credentials
    from google.shopping.merchant_accounts_v1 import ClaimHomepageRequest
    from google.shopping.merchant_accounts_v1 import HomepageServiceClient

    _ACCOUNT = configuration.Configuration().read_merchant_info()


    def claim_homepage():
      """Claims the homepage for a given Merchant Center account."""

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

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

      # Creates Homepage name to identify Homepage.
      name = "accounts/" + _ACCOUNT + "/homepage"

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

      # Makes the request and catches and prints any error messages.
      try:
        response = client.claim_homepage(request=request)
        print("Retrieved Homepage below")
        print(response)
      except RuntimeError as e:
        print(e)


    if __name__ == "__main__":
      claim_homepage()