Get Started

There are currently two versions of Authorized Buyers APIs:

  • Real-time Bidding API (latest)
  • Ad Exchange Buyer API II

These APIs let your apps interact with Authorized Buyers to:

  • Access real-time bidding account information
  • Submit and manage creatives undergoing review
  • Retrieve real-time bidding troubleshooting metrics
  • Manage user lists
  • Manage pretargeting configurations
  • Configure client access for Marketplace
  • Discover and manage proposals for deals in Marketplace

If you're unfamiliar with Authorized Buyers concepts, visit the Authorized Buyers Help Center and experiment with the UI.

Prepare for authorization

Complete the following steps to prepare for authentication using OAuth 2.0. The API supports many types of credentials; for this example we'll use a service account.

  1. Go to the Google API Console Enabled APIs page.

  2. From the project drop-down, select a project or create a new one.

  3. In the list of Enabled APIs, make sure Ad Exchange Buyer API is listed. If it's not listed, click the Google APIs tab, search for and select the Ad Exchange Buyer API, and click Enable API.

  4. Next, in the sidebar on the left select Credentials.

  5. Select the Create credentials drop-down, then choose Service account key.

  6. In the Service account drop-down, choose New service account.

  7. Enter a Name for the service account. The service account ID is automatically generated from the name and project name.

  8. Note the service account ID: you'll need it to grant access to the new service account in the Authorized Buyers UI in step 11.

  9. Choose a Key type, either the recommended JSON file, or P12 if backward compatibility with code using P12 format is needed.

  10. Click Create. The JSON or P12 file with the account's public/private key pair is saved to your Downloads folder. Keep the generated JSON or P12 file in a safe place.

  11. You must grant the service account access in the Authorized Buyers UI for it to work. Select Settings > Account Settings, then choose User Management > Account Users, and click +Service Account. Enter the service account ID you noted above in step 8. This creates a new user with the service account role.

OAuth scopes

When stepping through the OAuth 2.0 authorization flow, your application can specify scopes to indicate that it intends to access certain features in Google APIs for a given Google account. In order to access any of the Authorized Buyers APIs on behalf of an Authorized Buyers account, you must specify the scope associated with the API you intend to use.

Ad Exchange Buyer API II scopes

The following are scopes used to access Ad Exchange Buyer API II:

Scope Meaning
https://www.googleapis.com/auth/adexchange.buyer Read/write access.

Real-time Bidding API scopes

The following are scopes used to access the Real-time Bidding API:

Scope Meaning
https://www.googleapis.com/auth/realtime-bidding Read/write access.

Make an API call with Real-time Bidding API

The tabs below provide quickstarts for coding in each of the languages for which there is a client library.

Java

Here is a basic example that shows how to use the Real-time Bidding API with Java.

  1. Create a Maven project

    Open the pom.xml and add these dependencies: 

    <dependencies>
  <dependency>
    <groupId>com.google.api-client</groupId>
    <artifactId>google-api-client</artifactId>
    <version>1.31.1</version>
  </dependency>
  <dependency>
    <groupId>com.google.apis</groupId>
    <artifactId>google-api-services-pubsub</artifactId>
    <version>v1-rev452-1.25.0</version>
  </dependency>
  <dependency>
    <groupId>com.google.apis</groupId>
    <artifactId>google-api-services-realtimebidding</artifactId>
    <version>v1-rev20210311-1.31.0</version>
  </dependency>
  <dependency>
    <groupId>com.google.auth</groupId>
    <artifactId>google-auth-library-oauth2-http</artifactId>
    <version>0.22.2</version>
  </dependency>
  <dependency>
    <groupId>com.google.code.gson</groupId>
    <artifactId>gson</artifactId>
    <version>2.8.6</version>
  </dependency>
  <dependency>
    <groupId>com.google.http-client</groupId>
    <artifactId>google-http-client-jackson2</artifactId>
    <version>1.38.0</version>
  </dependency>
  <dependency>
    <groupId>joda-time</groupId>
    <artifactId>joda-time</artifactId>
    <version>2.10.6</version>
  </dependency>
  <dependency>
    <groupId>net.sourceforge.argparse4j</groupId>
    <artifactId>argparse4j</artifactId>
    <version>0.8.1</version>
  </dependency>
</dependencies>

  2. Set up your credentials

    All calls to the API require authentication; create a Credential using the Service Account JSON key File discussed above. 

    GoogleCredentials credentials = null;

try (FileInputStream serviceAccountStream = new FileInputStream((JSON_FILE))) {
  Set<String> scopes = new HashSet<>(RealTimeBiddingScopes.all());
  credentials = ServiceAccountCredentials
      .fromStream(serviceAccountStream)
      .createScoped(scopes);
} catch(IOException ex) {
  System.out.println("Can't complete authorization step. Did you specify a JSON key file?");
  System.out.println(ex);
  System.exit(1);
}
  3. Construct a client for Real-time Bidding API

    You can then create your Real-time Bidding API client using the Builder pattern: 

    
HttpRequestInitializer requestInitializer = new HttpCredentialsAdapter(credentials);
httpTransport = GoogleNetHttpTransport.newTrustedTransport();

// Use the credentials to create a client for the API service.
RealTimeBidding realtimeBidding = new RealTimeBidding.Builder(httpTransport,
    jsonFactory, requestInitializer).setApplicationName(APPLICATION_NAME)
    .build();

  4. Perform an operation

    After you've instantiated a client to connect to the API, you can perform an operation. The following code returns all of a given Buyer's creatives. 

        List<Creative> creatives = realtimeBidding.buyers().creatives()
        .list(BUYER_NAME)
        .setView("FULL")
        .execute().getCreatives();

    if (creatives != null && creatives.size() > 0) {
      System.out.printf("Listing of creatives associated with buyer '%s'%n", BUYER_NAME);
      for (Creative creative : creatives) {
        System.out.printf("* Creative name: %s\n", creative.getName());
      }
    } else {
      System.out.printf("No creatives were found that were associated with buyer '%s'%n.",
          BUYER_NAME);
    }
    FirstApiRequest.java

For more detailed information about using the Real-time Bidding API with Java, refer to the README file in the Real-time Bidding API examples.

Python

Here is a basic example that shows how to use the Real-time Bidding API with Python.

  1. Download and install the Google API Python Client

    Example using pip: 

    $ pip install --upgrade google-api-python-client

  2. Set up your credentials

    All calls to the API require authentication; instantiate a service_account.Credentials instance using the Service Account JSON key file discussed above. 

      credentials = service_account.Credentials.from_service_account_file(
      KEY_FILE, scopes=[SCOPE])
  3. Construct a client for the Real-time Bidding API

    You can then create your Real-time Bidding API client using the authorized service_account.Credentials instance: 

    realtimebidding = build('realtimebidding', VERSION, credentials=credentials)

  4. Perform an operation

    After you've instantiated a client to connect to the API, you can perform an operation. The following code returns all of a given Buyer's creatives. 

    request = realtimebidding.buyers().creatives().list(parent=BUYER_NAME)

pprint.pprint(request.execute())
    first_api_request.py

For more detailed information about using the Ad Exchange Buyer API with Python, refer to the README file in the Real-time Bidding API examples.

PHP

Here is a basic example that shows how to use the Real-time Bidding API with PHP.

  1. Set up dependencies

    If you haven't installed it yet, download and install Composer, then create a composer.json with contents such as the following: 

    {
  "description": "Authorized Buyers Real-Time Bidding API PHP Samples",
  "require": {
    "php": ">=7.2",
    "google/apiclient": "^2.0"
  },
  "require-dev": {
    "squizlabs/php_codesniffer": "3.*"
  },
  "type": "project",
  "homepage": "https://github.com/googleads/authorized-buyers-rtb-api-samples/tree/master/php",
  "license": "Apache-2.0",
  "authors": [
    {
      "name": "Google",
      "homepage": "https://github.com/googleads/authorized-buyers-rtb-api-samples/graphs/contributors"
    }
  ]
}

    Finally, run the following to install dependency libraries:

    composer install
  2. Set up a client

    Create a Google_Client, and use it to instantiate Google_Service_RealTimeBidding. 

    
$client = new Google_Client();
$client->setApplicationName('Authorized Buyers Real-time Bidding API PHP Samples');

$service = new Google_Service_RealTimeBidding($client);
  3. Set up your credentials

    All calls to the API require a valid access token. Configure your client to step through the OAuth 2.0 flow. 

    
$client->setAuthConfig($keyFileLocation);
$client->addScope('https://www.googleapis.com/auth/realtime-bidding');

if ($client->isAccessTokenExpired()) {
    $client->refreshTokenWithAssertion();
}
  4. Perform an operation

    After you've instantiated a client to connect to the API, and configured OAuth 2.0, you can use it to make an API call. The following code returns all of a given Buyer's creatives: 

    $result = $service->buyers_creatives->listBuyersCreatives($buyerName, $queryParams);

print "Creatives associated with buyer account\n";
if (empty($result['creatives'])) {
    print "No creatives found\n";
    return;
} else {
    foreach ($result['creatives'] as $creative) {
        print_r($creative);
    }
}
    FirstApiRequest.php

For more detailed information about using the Ad Exchange Buyer API with PHP, refer to the README file in the Real-time Bidding API examples.

.NET

Here is a basic example that shows how to use the Real-time Bidding API with C#.

  1. Create a new project

    Open Visual Studio Code and create a new project.

  2. Add required library references to your project

    In your project's *.csproj file, add a PackageReference entry for Google.Apis, Google.Apis.Auth, Google.Apis.Core, Google.Apis.Oauth2.v2, and Google.Apis.RealTimeBidding.v1. As an example, this might look like the following:

    <ItemGroup>
  <PackageReference Include="Google.Apis" Version="1.50.0" />
  <PackageReference Include="Google.Apis.Auth" Version="1.50.0" />
  <PackageReference Include="Google.Apis.Core" Version="1.50.0" />
  <PackageReference Include="Google.Apis.Oauth2.v2" Version="1.50.0.1869" />
  <PackageReference Include="Google.Apis.PubSub.v1" Version="1.50.0.2252" />
  <PackageReference Include="Google.Apis.RealTimeBidding.v1" Version="1.50.0.2261" />
  <PackageReference Include="log4net" Version="2.0.12" />
  <PackageReference Include="Microsoft.Extensions.Configuration" Version="3.1.4" />
  <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0">
    <PrivateAssets>all</PrivateAssets>
    <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
  </PackageReference>
  <PackageReference Include="Mono.Options" Version="6.6.0.161" />
  <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
</ItemGroup>

    You can find more information about these dependencies at: https://www.nuget.org/packages/.

  3. Set up your credentials

    All calls to the API require authentication; create a Credential using the Service Account email and JSON File discussed above. 

    var credentialParameters = NewtonsoftJsonSerializer.Instance
    .Deserialize<JsonCredentialParameters>(
        System.IO.File.ReadAllText(ServiceKeyFilePath));

// Create the credentials.
var credentialInitializer = new ServiceAccountCredential.Initializer(
        credentialParameters.ClientEmail)
    {
        Scopes = new[] { RealTimeBiddingService.Scope.RealtimeBidding }
    }.FromPrivateKey(credentialParameters.PrivateKey);

var oAuth2Credentials = new ServiceAccountCredential(credentialInitializer);
  4. Construct a client for the Real-time Bidding API

    You can then create your RealTimeBiddingService: 

    var serviceInitializer = new BaseClientService.Initializer
    {
        HttpClientInitializer = oAuth2Credentials,
        ApplicationName = "FirstAPICall"
    };

var realtimebidding = new RealTimeBiddingService(serviceInitializer);
  5. Perform an operation

    After you've instantiated a client to connect to the API, you can perform an operation. The following code lists creatives for a specified Authorized Buyers buyer account associated with your credentials. 

    BuyersResource.CreativesResource.ListRequest request =
    realtimebidding.Buyers.Creatives.List(buyerName);
request.View = BuyersResource.CreativesResource.ListRequest.ViewEnum.FULL;

IList<Creative> creatives = request.Execute().Creatives;

foreach (Creative creative in creatives)
{
    Console.WriteLine("* Creative name: {0}", creative.Name);
}
    FirstApiRequest.cs

For more detailed information about using the Real-time Bidding API with C#, refer to the README file in the Real-time Bidding API examples.

Ruby

Here is a basic example that shows how to use the Real-time Bidding API with Ruby.

  1. Download and install the Google API Ruby Client

    If you haven't installed it yet, download and install Bundler, then create a Gemfile with contents such as the following: 

    source "https://rubygems.org"

ruby "2.6.0"

gem 'google-apis-pubsub_v1', '0.3.0'
gem 'google-apis-realtimebidding_v1', '~> 0.3.0'

    Finally, run the following to install dependency libraries:

    bundle
  2. Set up your credentials

    All calls to the API require authentication; create credentials using the Service Account email and JSON file discussed above.

    # Create credentials using the JSON key file.
  auth_options = {
    :json_key_io => File.open(KEY_FILE, "r"),
    :scope => 'https://www.googleapis.com/auth/realtime-bidding'
  }

  oauth_credentials = Google::Auth::ServiceAccountCredentials.make_creds(
    options=auth_options
  )
  3. Construct a client for the AdExchangeBuyer

    You can then create your authorized AdExchange Buyer client using the credentials:

    # Create the service and set credentials
  realtimebidding = (
    Google::Apis::RealtimebiddingV1::RealtimeBiddingService.new
  )
  realtimebidding.authorization = oauth_credentials
  realtimebidding.authorization.fetch_access_token!
  4. Perform an operation

    After you've instantiated a client to connect to the API, you can perform an operation. The following code returns all of a given Buyer's creatives. 

    # Call the buyers.creatives.list method to get list of creatives for given buyer.
    creatives_list = realtimebidding.list_buyer_creatives(
        BUYER_NAME, view: 'FULL')

    if creatives_list.creatives.any?
      puts "Found the following creatives for buyer '%s':" % BUYER_NAME
      creatives_list.creatives.each do |creative|
        puts "* Creative name: #{creative.name}"
      end
    else
      puts "No creatives were found that were associated with buyer '%s'" % BUYER_NAME
    end
    first_api_request.rb

For more detailed information about using the Real-time Bidding API with Ruby, refer to the README file in the Real-time Bidding API examples.

Make an API call with Ad Exchange Buyer API II

The tabs below provide quickstarts for coding in each of the languages for which there is a client library.

Java

/*
 * Copyright (c) 2016 Google Inc.
 *
 * 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.
 */

package com.google.api.services.samples.adexchangebuyer.cmdline.v2_x;

import com.google.api.client.googleapis.services.json.AbstractGoogleJsonClient;
import com.google.api.services.adexchangebuyer2.v2beta1.AdExchangeBuyerII;
import com.google.api.services.adexchangebuyer2.v2beta1.model.Client;

import com.google.api.services.samples.adexchangebuyer.cmdline.BaseSample;
import java.io.IOException;
import java.util.List;

/**
 * This sample illustrates how to retrieve all client buyers associated with a given account.
 *
 * See the <a href="Client Access Guide">https://developers.google.com/authorized-buyers/apis/guides/v2/client-access#clients</a>
 * for more details on the usage of this resource.
 */
public class GetAllClientBuyers extends BaseSample {
  @Override
  public ClientType getClientType() {
    return BaseSample.ClientType.ADEXCHANGEBUYERII;
  }

  @Override
  public String getName() {
    return "Get All Client Buyers";
  }

  @Override
  public String getDescription() {
    return "Lists Client Buyers associated with the given Account.";
  }

  @Override
  public void execute(AbstractGoogleJsonClient client) throws IOException {
    AdExchangeBuyerII adXClient = (AdExchangeBuyerII) client;
    long accountId = getIntInput("AccountId", "Enter the Account ID");
    List<Client> allClients = adXClient.accounts().clients().list(accountId).execute().getClients();

    if (allClients != null && allClients.size() > 0) {
      System.out.println("========================================");
      System.out.printf("Listing of Client Buyers associated with AdX Account \"%s\"%n",
          accountId);
      System.out.println("========================================");
      for (Client clientBuyer : allClients) {
        System.out.printf("Client Account ID: %s%n", clientBuyer.getClientAccountId());
        System.out.printf("\tClient Name: %s%n", clientBuyer.getClientName());
        System.out.printf("\tEntity ID: %s%n", clientBuyer.getEntityId());
        System.out.printf("\tEntity Name: %s%n", clientBuyer.getEntityName());
        System.out.printf("\tEntity Type: %s%n", clientBuyer.getEntityType());
        System.out.printf("\tRole: %s%n", clientBuyer.getRole());
        System.out.printf("\tStatus: %s%n", clientBuyer.getStatus());
      }
    } else {
      System.out.println("No Client Buyers were found associated to this Account.");
    }
  }
}

Python

#!/usr/bin/python
#
# Copyright 2016 Google Inc. All Rights Reserved.
#
# 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 example lists the client buyers for a given account."""


import argparse
import pprint
import os
import sys

sys.path.insert(0, os.path.abspath('..'))

from googleapiclient.errors import HttpError
import samples_util


DEFAULT_ACCOUNT_ID = 'ENTER_ACCOUNT_ID_HERE'


def main(ad_exchange_buyer, account_id):
  try:
    # Construct and execute the request.
    clients = ad_exchange_buyer.accounts().clients().list(
        accountId=account_id).execute()
    print(f'Client buyers for account ID: "{account_id}"')
    pprint.pprint(clients)
  except HttpError as e:
    print(e)


if __name__ == '__main__':
  parser = argparse.ArgumentParser(
      description='Lists client buyers for a given Authorized Buyers account.')
  parser.add_argument(
      '-a', '--account_id', default=DEFAULT_ACCOUNT_ID, type=int,
      help='The integer id of the Authorized Buyers account.')
  args = parser.parse_args()

  try:
    service = samples_util.GetService('v2beta1')
  except IOError as ex:
    print(f'Unable to create adexchangebuyer service - {ex}')
    print('Did you specify the key file in samples_util.py?')
    sys.exit(1)

  main(service, args.account_id)

PHP

<?php
/**
 * Copyright 2016 Google Inc.
 *
 * 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.
 */

require_once __DIR__ . '/../../BaseExample.php';

/**
 * This example illustrates how to retrieve all buyer clients associated
 * with a given account.
 */
class ListClientBuyers extends BaseExample {

  /**
   * @see BaseExample::getInputParameters()
   */
  protected function getInputParameters() {
    return [
        [
            'name' => 'accountId',
            'display' => 'Account ID',
            'required' => true
        ]
    ];
  }

  /**
   * @see BaseExample::run()
   */
  public function run() {
    $values = $this->formValues;
    $result = $this->service->accounts_clients->listAccountsClients(
        $values['accountId']);
    print '<h2>Listing buyer clients</h2>';
    if (empty($result['clients'])) {
      print '<p>No buyer clients found</p>';
      return;
    } else {
      foreach ($result['clients'] as $clients) {
        $this->printResult($clients);
      }
    }
  }

  /**
   * @see BaseExample::getClientType()
   */
  public function getClientType() {
    return ClientType::AdExchangeBuyerII;
  }

  /**
   * @see BaseExample::getName()
   */
  public function getName() {
    return 'Client Access: List Client Buyers';
  }
}

.NET

/* Copyright 2016, Google Inc. All Rights Reserved.
 *
 * 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.
 */

using Google.Apis.AdExchangeBuyerII.v2beta1;
using Google.Apis.AdExchangeBuyerII.v2beta1.Data;
using Google.Apis.Services;

using System;

namespace Google.Apis.AdExchangeBuyer.Examples.v2_x
{
    /// <summary>
    /// Retrieves the authenticated user's list of client buyers for the given account ID.
    /// </summary>
    public class ListClientBuyers : ExampleBase
    {
        /// <summary>
        /// Main method, to run this code example as a standalone application.
        /// </summary>
        /// <param name="args">The command line arguments</param>
        public static void Main(string[] args)
        {
            AdExchangeBuyerIIService service = Utilities.GetV2Service();
            ExampleBase example = new ListClientBuyers();
            Console.WriteLine(example.Description);

            example.Run(service);
        }

        /// <summary>
        /// Returns a description about the code example.
        /// </summary>
        public override string Description
        {
            get { return "This code example lists all client buyers for a given account ID."; }
        }

        /// <summary>
        /// Runs the code example.
        /// </summary>
        /// <param name="service">An authenticated AdExchangeBuyerIIService</param>
        public override void Run(BaseClientService service)
        {
            AdExchangeBuyerIIService adXService = (AdExchangeBuyerIIService)service;
            long accountId = long.Parse("INSERT ACCOUNT ID HERE");

            ListClientsResponse response = adXService.Accounts.Clients.List(accountId).Execute();

            Console.WriteLine("========================================\n");
            Console.WriteLine("Listing of client buyers associated with Authorized Buyers " +
                "Account \"{0}\"", accountId);
            Console.WriteLine("========================================\n");

            if (response.Clients.Count == 0)
            {
                Console.WriteLine("No client buyers found.");
            } else
            {
                foreach (Client clientBuyer in response.Clients)
                {
                    Console.WriteLine("Client Account ID: {0}", clientBuyer.ClientAccountId);
                    Console.WriteLine("\tClient Name: {0}", clientBuyer.ClientName);
                    Console.WriteLine("\tEntity ID: {0}", clientBuyer.EntityId);
                    Console.WriteLine("\tEntity Name: {0}", clientBuyer.EntityName);
                    Console.WriteLine("\tEntity Type: {0}", clientBuyer.EntityType);
                    Console.WriteLine("\tRole: {0}", clientBuyer.Role);
                    Console.WriteLine("\tStatus: {0}", clientBuyer.Status);
                }
            }
        }

        public override ClientType getClientType()
        {
            return ClientType.ADEXCHANGEBUYERII;
        }
    }
}

Ruby

#!/usr/bin/env ruby
# Encoding: utf-8
#
# Copyright:: Copyright 2016, Google Inc. All Rights Reserved.
#
# License:: 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.
#
# Lists the client buyers for a given account.
#
# To get Account IDs, run list_accounts.rb.
#
# Tags: Accounts.Clients.list

require 'optparse'

require_relative '../samples_util'


def list_client_buyers(ad_exchange_buyer, account_id, page_size)
  begin
    client_buyers = ad_exchange_buyer.list_account_clients(
      account_id, page_size: page_size
    )

    if !client_buyers.clients.nil?
      puts 'Found the following client buyers for account ID %s:' % account_id
      client_buyers.clients.each do |client_buyer|
        puts '* Client account ID: %s' % client_buyer.client_account_id
        puts "\tClient name: %s" % client_buyer.client_name
        puts "\tEntity ID: %s" % client_buyer.entity_id
        puts "\tEntity name: %s" % client_buyer.entity_name
        puts "\tEntity Type: %s" % client_buyer.entity_type
        puts "\tRole: %s" % client_buyer.role
        puts "\tStatus: %s" % client_buyer.status
        puts "\tVisible to seller: %s" % client_buyer.visible_to_seller
      end
    else
      puts 'No client buyers found for account ID %s.' % account_id
    end
  rescue Google::Apis::ServerError => e
    raise "The following server error occured:\n%s" % e.message
  rescue Google::Apis::ClientError => e
    raise "Invalid client request:\n%s" % e.message
  rescue Google::Apis::AuthorizationError => e
    raise "Authorization error occured:\n%s" % e.message
  end
end


if __FILE__ == $0
  begin
    # Retrieve the service used to make API requests.
    service = get_service(ADEXCHANGEBUYER_V2BETA1)
  rescue ArgumentError => e
    raise 'Unable to create service, with error message: %s' % e.message
  rescue Signet::AuthorizationError => e
    raise ('Unable to create service, was the KEY_FILE in samples_util.rb ' +
           'set? Error message: %s') % e.message
  end

  # Set options and default values for fields used in this example.
  options = [
    Option.new(
      'account_id', 'The integer ID of the Authorized Buyers account.',
      :type => Integer, :short_alias => 'a', :required => true,
      :default_value => nil  # Insert default value here.
    ),
    Option.new(
      'max_page_size',
      'The maximum number of entries returned on one result page.',
      :type => Integer, :short_alias => 'm', :required => true,
      :default_value => MAX_PAGE_SIZE
    )
  ]

  # Parse options.
  parser = Parser.new(options)
  opts = parser.parse(ARGV)

  list_client_buyers(service, opts['account_id'], opts['page_size'])
end

Next steps

  • Read the background guide to more fully understand what is happening in the samples and the options available to you in developing your solution.

  • After you've gotten a client library up and running, try extending the code examples to meet your needs.

  • Visit the reference documentation for the version you are working with to learn more about the API.

  • If you need help, visit the forum.

  • If your application is expected to perform real-time bidding, read the RTB protocol documentation.

  • Go over the performance tips.

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