The Vendor Orders API v1 includes a new unitOfMeasure variable to support variable weight products. This variable provides the unit of measure for prices of items sold by weight. If this field is absent, the item is sold by eaches. Operations that return this variable include:

You can now use the Amazon Warehousing and Distribution API to:

You can now use the getAccount operation to retrieve information about seller accounts, such as:

The Inventory feed type POST_INVENTORY_AVAILABILITY_DATA Quantity attribute applies only to inventory that is fulfilled by the seller.

The Listings Management Workflow Migration Guide has been updated to include migration strategies based on use cases.

Starting August 14, 2024, the getItemEligibilityPreview operation will have a new inbound ineligibility enum value, FBA_INB_0342. This value provides more information on why an offer can't use certain manufacturer barcodes. FBA_INB_0342 provides the following message:

Effective August 1, 2024, we are updating the Amazon Services API Developer Agreement. What was previously known as "Amazon Services Europe S.a.r.l." is now "Amazon EU S.à.r.l.". This update may require changes to your existing application security or controls.

The Selling Partner API Blog will be removed on July 31, 2024. For technical guidance on Selling Partner APIs, refer to the SP-API Documentation site. For supplementary guidance on Selling Partner APIs, refer to Developer University.

Deprecated SP-API resources are no longer in active development. Calls to deprecated SP-API resources will continue to be successful until their removal date. After the removal date, calls will fail. For more detailed information about SP-API deprecation dates, refer to the Deprecations table.

Effective July 28, 2024, Amazon will update the attribute usage and enumeration values of numerous product types across marketplaces. These adjustments are critical to improve the listing experience, as we work to eliminate redundant attributes and only curate attributes and enumeration values that apply to the corresponding product type.