Amazon updates listing attributes and enumeration values for March 2026
Effective March 30, Amazon changes required attribute usage and allowed enumeration values for numerous product types and marketplaces used by offer-bearing listings.
Read the official Amazon source01 · Source fact
What changed
Effective March 30, Amazon changes required attribute usage and allowed enumeration values for numerous product types and marketplaces used by offer-bearing listings.
- Published
- Mar 9, 2026
- Effective
- 2026-03-30
- Deadline
- 2026-03-30
02 · Business impact
Who and what may be affected
- Operators
- Seller, Agency
- Surfaces
- Listings Items Api, Json Listings Feed, Product Type Definitions Api
- Impact
- Operations, Compliance
- Settlement categories
- No direct payout category identified
03 · Next action
What to check
Refresh Product Type Definitions metadata and update required-field and enum validation for Listings Items API and JSON listing feed submissions.
confirmed source relationshipLast reviewed Jul 13, 2026