Merchant API code sample to find LFP providers.

### 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.lfpproviders.v1;

    import com.google.api.gax.core.FixedCredentialsProvider;
    import com.google.auth.oauth2.GoogleCredentials;
    import com.google.shopping.merchant.accounts.v1.FindLfpProvidersRequest;
    import com.google.shopping.merchant.accounts.v1.LfpProvider;
    import com.google.shopping.merchant.accounts.v1.LfpProvidersServiceClient;
    import com.google.shopping.merchant.accounts.v1.LfpProvidersServiceClient.FindLfpProvidersPagedResponse;
    import com.google.shopping.merchant.accounts.v1.LfpProvidersServiceSettings;
    import com.google.shopping.merchant.accounts.v1.OmnichannelSettingName;
    import shopping.merchant.samples.utils.Authenticator;
    import shopping.merchant.samples.utils.Config;

    /** This class demonstrates how to get the Lfp Providers for a given Merchant Center account */
    public class FindLfpProvidersSample {

      public static void findLfpProviders(Config config, String regionCode)
          throws Exception {

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

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

        // Gets the account ID from the config file.
        String accountId = config.getAccountId().toString();
        // Creates parent to identify the omnichannelSetting from which to list all Lfp Providers.
        String parent =
            OmnichannelSettingName.newBuilder()
                .setAccount(accountId)
                .setOmnichannelSetting(regionCode)
                .build()
                .toString();

        // Calls the API and catches and prints any network failures/errors.
        try (LfpProvidersServiceClient lfpProvidersServiceClient =
            LfpProvidersServiceClient.create(lfpProvidersServiceSettings)) {
          FindLfpProvidersRequest request =
              FindLfpProvidersRequest.newBuilder().setParent(parent).build();

          System.out.println("Sending find LFP providers request:");
          FindLfpProvidersPagedResponse response = lfpProvidersServiceClient.findLfpProviders(request);

          int count = 0;

          // Iterates over all the entries in the response.
          for (LfpProvider lfpProvider : response.iterateAll()) {
            System.out.println(lfpProvider);
            count++;
          }
          System.out.println(String.format("The following count of elements were returned: %d", count));
        } catch (Exception e) {
          System.out.println("An error has occured: ");
          System.out.println(e);
        }
      }

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

        // The country you're targeting at.
        String regionCode = "{REGION_CODE}";

        findLfpProviders(config, regionCode);
      }
    }

### 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\Client\LfpProvidersServiceClient;
    use Google\Shopping\Merchant\Accounts\V1\FindLfpProvidersRequest;
    use Google\Shopping\Merchant\Accounts\V1\LfpProvider;

    /**
     * This class demonstrates how to get the LFP Providers for a given Merchant
     * Center account.
     */
    class FindLfpProvidersSample
    {
        /**
         * A helper function to create the parent string.
         *
         * @param string $accountId The Merchant Center account ID.
         * @param string $regionCode The region code for the omnichannel setting.
         *
         * @return string The parent has the format:
         * `accounts/{account}/omnichannelSettings/{omnichannelSetting}`
         */
        private static function getParent(string $accountId, string $regionCode): string
        {
            return sprintf(
                "accounts/%s/omnichannelSettings/%s",
                $accountId,
                $regionCode
            );
        }

        /**
         * Retrieves all LFP providers for a given account and region.
         *
         * @param array $config The configuration data for authentication.
         * @param string $regionCode The CLDR country code of the target country.
         */
        public static function findLfpProviders(
            array $config,
            string $regionCode
        ): 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.
            $lfpProvidersServiceClient = new LfpProvidersServiceClient($options);

            // Creates the parent resource name from the account ID and region code.
            $parent = self::getParent($config['accountId'], $regionCode);

            // Creates the request.
            $request = (new FindLfpProvidersRequest())
                ->setParent($parent);

            // Calls the API and catches and prints any network failures/errors.
            try {
                printf("Sending find LFP providers request:%s", PHP_EOL);
                $response = $lfpProvidersServiceClient->findLfpProviders($request);

                $count = 0;

                // Iterates over all the LFP providers in the response and prints them.
                foreach ($response->iterateAllElements() as $lfpProvider) {
                    // The LfpProvider object is a Protobuf message.
                    // We are printing it as a JSON string for readability.
                    print($lfpProvider->serializeToJsonString(true) . PHP_EOL);
                    $count++;
                }
                printf(
                    "The following count of elements were returned: %d%s",
                    $count,
                    PHP_EOL
                );
            } catch (ApiException $e) {
                printf("An error has occured: %s%s", PHP_EOL, $e);
            }
        }

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

            // The country you're targeting.
            $regionCode = '{REGION_CODE}';

            self::findLfpProviders($config, $regionCode);
        }
    }

    // Runs the sample.
    FindLfpProvidersSample::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.
    """Sample for finding LFP providers for a given Merchant Center account."""
    from examples.authentication import configuration
    from examples.authentication import generate_user_credentials
    from google.shopping.merchant_accounts_v1 import FindLfpProvidersRequest
    from google.shopping.merchant_accounts_v1 import LfpProvidersServiceClient

    # Gets the merchant account ID from the configuration file.
    _ACCOUNT = configuration.Configuration().read_merchant_info()


    def find_lfp_providers(region_code: str) -> None:
      """Gets the LFP Providers for a given Merchant Center account."""

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

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

      # The parent resource name of the omnichannel setting.
      # Format: `accounts/{account}/omnichannelSettings/{omnichannel_setting}`
      parent = f"accounts/{_ACCOUNT}/omnichannelSettings/{region_code}"

      # Creates the request.
      request = FindLfpProvidersRequest(parent=parent)

      print("Sending find LFP providers request:")
      # Makes the request and catches and prints any error messages.
      try:
        # Calls the API to find LFP providers.
        response = client.find_lfp_providers(request=request)

        count = 0
        # Iterates over all the entries in the response and prints them.
        for lfp_provider in response:
          print(lfp_provider)
          count += 1
        print(f"The following count of elements were returned: {count}")

      except RuntimeError as e:
        print("An error has occured: ")
        print(e)


    if __name__ == "__main__":
      # The country you're targeting.
      _REGION_CODE = "{REGION_CODE}"
      find_lfp_providers(_REGION_CODE)