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What Is an Amazon GTIN?

Quick Answer

A GTIN, or Global Trade Item Number, is a standardized product identifier used to distinguish a trade item. On Amazon, a GTIN can help you find and match the exact product already in the catalog or supply product identity when creating a new detail page. UPC, EAN, ISBN, and JAN are product-ID formats Amazon may use in different product and market contexts.

A GTIN is not an ASIN and is not your seller SKU. Amazon assigns an ASIN to a catalog item. A seller chooses a SKU to manage an offer or inventory record. Use the identifier belonging to the exact product and variation; do not reuse a code from a similar item.

Quick Reference

  • GTIN: Standardized identifier for a trade item, up to 14 digits in Amazon's public explanation.
  • UPC / EAN / ISBN / JAN: Product-ID formats used for particular product or market contexts.
  • ASIN: Amazon's identifier for an item in the Amazon catalog.
  • SKU: Seller-controlled identifier for an offer or inventory record.
  • Barcode: The machine-readable carrier commonly printed around a GTIN; it is not the identifier concept itself.
  • Scope: Product-ID requirements can depend on product type, brand, category, store, and exemption status.
  • Last reviewed: 2026-07-20.

Prepare in one place

Publish Action

Review product identity and the rest of the listing inputs before publishing.

Check Listing ReadinessView Templates

Use one preparation flow for sizes, titles, descriptions, keywords, and checklists instead of switching between separate tools.

Decision tree

Start with the exact product, not a number

Start with the exact product, not a numberConfirm the exact item, search the catalog, then use the assigned identifier or review the exemption workflow without inventing a code.Confirm the exact sellable itemDoes the exact catalog item exist?Yes — match the exact itemVerify ASIN and variationNo — verify product-ID pathAssigned GTIN or current exemption
Never force a near match, borrow another product's identifier, or manufacture a digit to pass validation.

Correct versus incorrect

Identifier handling

Use the assigned identity

  • Match the exact product and variation
  • Preserve leading zeroes
  • Keep assignment evidence

Force a number to fit

  • Copy a similar item's code
  • Reuse one code across variations
  • Invent or remove digits
Use the contrast to spot the decision pattern; always verify the current Amazon field or category rule.
Step-by-step Guidance
  • Identify the exact sellable product, including brand, model, size, color, pack quantity, and variation.
  • Check whether the exact product already exists in Amazon's catalog before attempting to create a new detail page.
  • Obtain the identifier from the brand owner or manufacturer when you resell an existing product.
  • If you own a new product, use the appropriate GS1 process rather than buying an unverified or recycled code.
  • Enter the identifier only for the product and packaging level to which it was assigned.
  • Confirm the current Amazon store and product-type requirements before submission.
  • If the item has no product ID, first check for an existing catalog match and then evaluate Amazon's current GTIN-exemption workflow. Eligibility is not automatic.
Important Limitations
  • A valid number does not by itself prove that you may create, edit, or sell a product.
  • GTIN exemption is an Amazon listing permission for a defined context; it does not create a GTIN and does not transfer to every brand, category, variation, or store.
  • Product identity errors can connect an offer to the wrong catalog item. Stop and resolve the mismatch instead of forcing a near match.
  • Amazon interfaces and eligibility rules may differ by seller, product type, and marketplace.
Best Practices
  • Keep evidence showing where each identifier came from.
  • Store identifiers as text so leading zeroes are not lost in spreadsheets.
  • Maintain one product-identity record per sellable variation and packaging level.
  • Keep the GTIN, brand, manufacturer, model, SKU, and intended Amazon store together during listing preparation.
  • Recheck product-type requirements whenever the category or variation structure changes.
Common Mistakes
  • Treating ASIN, SKU, and GTIN as interchangeable.
  • Copying a GTIN from a similar-looking product.
  • Assigning one identifier to multiple distinct variations.
  • Removing leading zeroes or adding spaces and punctuation.
  • Assuming a GTIN exemption applies everywhere.
  • Creating a new detail page before searching for the existing exact product.
Related Knowledge
  • Amazon UPC vs EAN explains two common GTIN formats.
  • Amazon Product Data Checklist places identifiers beside brand, category, attributes, variations, and compliance data.
  • How to Prepare an Amazon Listing shows when identity checks happen in the full workflow.
  • Amazon Listing Readiness Checklist provides the final pre-submission review.
Related Tools
  • Listing Readiness Checker: review whether product identity and the remaining listing inputs are ready for manual verification.
  • Product Title Checker: evaluate title clarity after the product identity is confirmed.
Official References

Amazon's public GTIN guide supports the product-ID, ASIN, SKU, catalog-match, and exemption distinctions. Amazon's Selling Partner API documentation confirms that product identity requirements are product-type and marketplace dependent. GS1 remains the standards authority for GTIN allocation and terminology.

Update Note

Last reviewed: 2026-07-20. Review immediately if Amazon changes product-ID, catalog-match, exemption, or product-type requirements.

Source transparency

Official sources

The first-party sources below were checked while preparing this guide. Platform rules can change, so review the source again before final publishing.

Content last reviewed:

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