Merchant API code sample to get an account by alias.

### 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.accounts.accounts.v1;

    import com.google.api.gax.core.FixedCredentialsProvider;
    import com.google.auth.oauth2.GoogleCredentials;
    import com.google.shopping.merchant.accounts.v1.Account;
    import com.google.shopping.merchant.accounts.v1.AccountName;
    import com.google.shopping.merchant.accounts.v1.AccountsServiceClient;
    import com.google.shopping.merchant.accounts.v1.AccountsServiceSettings;
    import com.google.shopping.merchant.accounts.v1.GetAccountRequest;
    import shopping.merchant.samples.utils.Authenticator;

    /** This class demonstrates how to get a single Merchant Center account by its alias. */
    public class GetAccountByAliasSample {

      public static void getAccountByAlias(long providerId, String alias) throws Exception {

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

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

        // Creates account name to identify account.
        // The name has the format: accounts/{providerId}~{alias}
        // This format can used whenever an account name is needed. For example it can also be used to
        // get the homepage of an account or approve, get or list its services etc.
        // For more information about aliases see
        // https://developers.google.com/merchant/api/guides/accounts/relationships
        String name = AccountName.newBuilder().setAccount(providerId + "~" + alias).build().toString();

        // Calls the API and catches and prints any network failures/errors.
        try (AccountsServiceClient accountsServiceClient =
            AccountsServiceClient.create(accountsServiceSettings)) {

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

          System.out.println("Sending Get Account request:");
          Account response = accountsServiceClient.getAccount(request);

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

      public static void main(String[] args) throws Exception {
        // Update this with the provider ID of the account you want to get.
        long providerId = 123L;
        // Update this with the alias of the account you want to get.
        String alias = "alias";
        getAccountByAlias(providerId, alias);
      }
    }

### 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.
    """This class demonstrates how to get a single Merchant Center account by its alias."""

    from examples.authentication import generate_user_credentials
    from google.shopping.merchant_accounts_v1 import AccountsServiceClient
    from google.shopping.merchant_accounts_v1 import GetAccountRequest


    def get_account_by_alias(provider_id: int, alias: str) -> None:
      """Gets a single Merchant Center account by its alias.

      Args:
          provider_id: The provider ID of the account.
          alias: The alias of the account.
      """

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

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

      # Creates the name of the account to retrieve.
      # The name has the format: accounts/{providerId}~{alias}
      # This format can be used whenever an account name is needed. For example it
      # can also be used to get the homepage of an account or approve, get or list
      # its services etc.
      # For more information about aliases see
      # https://developers.google.com/merchant/api/guides/accounts/relationships
      name = f"accounts/{provider_id}~{alias}"

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

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


    if __name__ == "__main__":
      # Update this with the provider ID of the account you want to get.
      provider_id_ = 123
      # Update this with the alias of the account you want to get.
      alias_ = "alias"
      get_account_by_alias(provider_id_, alias_)