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POST
Create product by ASIN
Starting August 25, 2026, creating a product from an ASIN alone is no longer supported. The ASIN becomes one more universal identifier, and we no longer auto-populate the product data from it — so title, description and condition must be sent with the request.Use Create product and put your ASIN inside international_ids, exactly as shown below. Update your integration before that date to avoid failed creations. If you have any questions, reach out to your account manager.

What to send instead

Same endpoint, same ASIN — the difference is that the product data now travels with the request:
An ASIN is alphanumeric and exactly 10 characters. You can send it alongside other identifier types in the same request, for example { "asin": ["B00QAIV7V2"], "gtin": ["4901234567890"] }. If you send more than one ASIN, only the first one is used to build the product. See Create product for the full list of parameters, the response format and the error shapes.