[external_seller_id] attribute is used by marketplaces to identify specific sellers when uploading products to their multi-seller account.In this article
When to use
Required for multi-seller accounts
Use the external seller ID [external_seller_id] attribute if you are a marketplace uploading products for various sellers to your multi-seller account.
The value that is submitted for this attribute must be the unique external identifier of a specific seller on a specific marketplace. Use the same ID for the same seller on the same marketplace across countries or languages.
Format
Follow these formatting guidelines to make sure Google understands the data you're submitting. Learn when and how to submit your product data in English
| Type | String (ASCII characters) |
|---|---|
| Limits | 1-50 characters, case-sensitive, decimal digits, hyphens, underscores, periods, tildes ([0-9a-zA-Z.~_-]{1,50}) |
| Repeated field | No |
| File format | Example entry |
|---|---|
| Text feeds | seller_public_identifier-1991 |
| XML feeds | <g:external_seller_id>seller_public_identifier-1991</g:external_seller_id> |
To format your data for Content API, see the Content API for Shopping resource.
Minimum requirements
These are the requirements you'll 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.
- 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.
- Only use this attribute if you are a marketplace representing various sellers with a multi-seller account.