Client libraries
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We recommend using a client library, because they provide improved security and
language integration, and support user authorization. The Merchant API client
libraries use gRPC and are designed to work with our code
samples in the same language.
Client libraries and installation instructions are available for the following
languages:
To set up a client library, download, install, and run one of the available
code samples from GitHub.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2026-01-16 UTC.
[null,null,["Last updated 2026-01-16 UTC."],[],["Merchant API client libraries using gRPC are recommended for security, language integration, and user authorization. Libraries and code samples are available for Java, PHP, and Python across several sub-APIs, including Accounts, Data sources, Inventories, Products, Promotions, and Reviews. Additional libraries are available for the Conversions, Local feeds partnership, Notifications, Quota, and Reports sub-API but do not include code samples. The .NET and Go languages are listed, but code samples aren't available for any sub-API. Code samples can be downloaded from GitHub.\n"]]
