Merchant API code sample to list merchant reviews.
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.reviews.v1beta
;
import
com.google.api.gax.core.FixedCredentialsProvider
;
import
com.google.auth.oauth2.GoogleCredentials
;
import
com.google.shopping.merchant.reviews.v1beta.ListMerchantReviewsRequest
;
import
com.google.shopping.merchant.reviews.v1beta.MerchantReview
;
import
com.google.shopping.merchant.reviews.v1beta.MerchantReviewsServiceClient
;
import
com.google.shopping.merchant.reviews.v1beta.MerchantReviewsServiceClient.ListMerchantReviewsPagedResponse
;
import
com.google.shopping.merchant.reviews.v1beta.MerchantReviewsServiceSettings
;
import
shopping.merchant.samples.utils.Authenticator
;
import
shopping.merchant.samples.utils.Config
;
/** This class demonstrates how to list all the merchant reviews in a given account. */
public
class
ListMerchantReviewsSample
{
public
static
void
listMerchantReviews
(
String
accountId
)
throws
Exception
{
GoogleCredentials
credential
=
new
Authenticator
().
authenticate
();
MerchantReviewsServiceSettings
merchantReviewsServiceSettings
=
MerchantReviewsServiceSettings
.
newBuilder
()
.
setCredentialsProvider
(
FixedCredentialsProvider
.
create
(
credential
))
.
build
();
try
(
MerchantReviewsServiceClient
merchantReviewsServiceClient
=
MerchantReviewsServiceClient
.
create
(
merchantReviewsServiceSettings
))
{
ListMerchantReviewsRequest
request
=
ListMerchantReviewsRequest
.
newBuilder
()
.
setParent
(
String
.
format
(
"accounts/%s"
,
accountId
))
.
build
();
System
.
out
.
println
(
"Sending list merchant reviews request:"
);
ListMerchantReviewsPagedResponse
response
=
merchantReviewsServiceClient
.
listMerchantReviews
(
request
);
int
count
=
0
;
// Iterates over all rows in all pages and prints all merchant reviews.
for
(
MerchantReview
element
:
response
.
iterateAll
())
{
System
.
out
.
println
(
element
);
count
++
;
}
System
.
out
.
print
(
"The following count of elements were returned: "
);
System
.
out
.
println
(
count
);
}
catch
(
Exception
e
)
{
System
.
out
.
println
(
e
);
}
}
public
static
void
main
(
String
[]
args
)
throws
Exception
{
Config
config
=
Config
.
load
();
listMerchantReviews
(
config
.
getAccountId
().
toString
());
}
}
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\Reviews\V1beta\Client\MerchantReviewsServiceClient;
use Google\Shopping\Merchant\Reviews\V1beta\ListMerchantReviewsRequest;
/**
* This class demonstrates how to list all the merchant reviews in a given account.
*/
class ListMerchantReviewsSample
{
/**
* Lists all merchant reviews for a given account.
*
* @param array $config The configuration data for authentication and account ID.
*/
public static function listMerchantReviewsSample(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.
$merchantReviewsServiceClient = new MerchantReviewsServiceClient($options);
// The parent account from which to retrieve reviews.
// Format: accounts/{account}
$parent = sprintf('accounts/%s', $config['accountId']);
// Creates the request message.
$request = (new ListMerchantReviewsRequest())
->setParent($parent);
// Calls the API and catches and prints any network failures/errors.
try {
printf("Sending list merchant reviews request:%s", PHP_EOL);
$response = $merchantReviewsServiceClient->listMerchantReviews($request);
$count = 0;
// Iterates over all rows in all pages and prints all merchant reviews.
foreach ($response->iterateAllElements() as $element) {
printf("%s%s", $element->serializeToJsonString(), PHP_EOL);
$count++;
}
printf("The following count of elements were returned: %d%s", $count, PHP_EOL);
} catch (ApiException $e) {
print $e->getMessage() . PHP_EOL;
}
}
/**
* Helper to execute the sample.
*/
public function callSample(): void
{
$config = Config::generateConfig();
self::listMerchantReviewsSample($config);
}
}
// Run the script.
$sample = new ListMerchantReviewsSample();
$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.
"""This class demonstrates how to list all the merchant reviews in a given account."""
from
examples.authentication
import
configuration
from
examples.authentication
import
generate_user_credentials
from
google.shopping.merchant_reviews_v1beta
import
ListMerchantReviewsRequest
from
google.shopping.merchant_reviews_v1beta
import
MerchantReviewsServiceClient
def
list_merchant_reviews
(
account_id
:
str
)
-
> None
:
"""Lists all merchant reviews for a given account.
Args:
account_id: The ID of the Merchant Center account.
"""
# Gets OAuth credentials.
credentials
=
generate_user_credentials
.
main
()
# Creates a client.
client
=
MerchantReviewsServiceClient
(
credentials
=
credentials
)
# The parent account from which to retrieve reviews.
# Format: accounts/{account}
parent
=
f
"accounts/
{
account_id
}
"
# Creates the request.
request
=
ListMerchantReviewsRequest
(
parent
=
parent
)
# Makes the request and catches and prints any error messages.
try
:
print
(
"Sending list merchant reviews request:"
)
response
=
client
.
list_merchant_reviews
(
request
=
request
)
count
=
0
# Iterates over all reviews in all pages and prints them.
for
element
in
response
:
print
(
element
)
count
+=
1
print
(
f
"The following count of elements were returned:
{
count
}
"
)
except
RuntimeError
as
e
:
print
(
e
)
if
__name__
==
"__main__"
:
# Gets the merchant account ID from the user.
merchant_account_id
=
configuration
.
Configuration
()
.
read_merchant_info
()
list_merchant_reviews
(
merchant_account_id
)
