- Product IDs (also known as Product Identifiers) are universally accepted codes that are unique to every item sold.
- Product IDs are used to help Walmart's systems identify the item you are selling, determine if the same item is sold elsewhere and establish variant groups across different Sellers.
- The table indicates the four types of Product IDs that Walmart accepts.
- If you have a different type of Product ID, you must convert it into one of these four types.
- Check with the organization that manages your type of Product ID to learn how to convert it into an acceptable type.
- GTIN: Global Trade Item Number (General purpose, used worldwide) 14 digits
- UPC: Universal Product Code (General purpose, used primarily in United States, Canada, United Kingdom, Australia, New Zealand) 12 digits
- ISBN: International Standard Book Number (Paperback, Hardcover and Electronic Books) 10 or 13 digits
- ISSN: International Standard Serial Number (Newspapers, Journals, Magazines and Periodicals) 8 digits