In this Help Centre, you can find content for both Merchant Center Next and the classic Merchant Center experience. Look for the logo at the top of each article to make sure that you're using the article for the Merchant Center version that applies to you. 

Target customer ID [target_customer_ID]

A custom icon for Merchant Center Classic and Merchant Center Next.

Use the target customer ID [target_customer_id] attribute to list the merchant ID of the retailer.

In this article

When to use

Required Required for each product.


Follow these formatting guidelines to make sure that Google understands the data that you're submitting.

Learn when and how to submit your product data.

Type Integer
Repeated field No
File format Example value
Text feeds 112339909
XML feeds <g:target_customer_id>112339909</g:target_customer_id>

To learn how to format your data for Content API, visit the Content API for Shopping resource.

Minimum requirements

These are the requirements that you need to meet to show your product. If you don't follow these requirements, we'll disapprove your product and let you know in your Merchant Center account.

  • Submit a unique value for each target customer ID.
  • The target customer ID must consist of numeric digits.
  • Don't submit any characters that are not explicitly allowed. Examples of unallowed characters include white space, control characters, commas and parentheses. To avoid encoding incompatibilities, use UTF-8 encoding.

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