Effective December 15, 2024, Amazon will update the attribute usage and enumeration values of numerous product types across marketplaces. These adjustments eliminate redundant attributes and improve the curation of attributes and enumeration values that apply to the corresponding product types.

You can update attribute submissions and document uploads through Listings Items API v2021-08-01 or the JSON_LISTINGS_FEED feed type to support selling partners with General Product Safety Regulations (GPSR) compliance. Sellers can refer to their Account Health page for a list of brands and offers that must be compliant with Amazon's GPSR policy.

The Easy Ship API v2022-03-23 now supports the Netherlands (NL) and Poland (PL) marketplaces. You can use the Easy Ship API to build applications for sellers to manage and ship packages for Amazon Easy Ship orders.

The getCompetitiveSummary operation now includes WasPrice, which is the 90-day median price that customers pay for the product on Amazon. You can use this value to set promotions and discounts based on the typical price on the product detail page. You can find WasPrice in the referencePrices list in the operation response. To learn more about querying WasPrice, refer to CompetitiveSummaryIncludedData (referencePrices).

Effective November 10, 2024, Amazon has updated the attribute usage and enumeration values of numerous product types across marketplaces. These adjustments eliminate redundant attributes and improve the curation of attributes and enumeration values that apply to the corresponding product types.

The usage plan for initiatePayout operation in the Transfers API v2024-06-01 has been updated with a throttling rate of 0.017 (previously 0.5) and a burst rate of 2 (previously 30).

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.

The getEligibleShippingServices and createShipment operations in the Merchant Fulfillment API v0 have increased throttling rates to help reduce request throttling:

The getFeaturedOfferExpectedPriceBatch operation now supports the JP marketplace. You can now retrieve the Featured Offer Expected Price (FOEP) for all marketplaces worldwide. The FOEP is the listing price at or below which a seller can expect to have the featured offer (before applicable promotions).

The AdjustmentItem object in the Finances API v0 now includes TransactionNumber. You can use this parameter to identify what the adjustment is related to. For example, Amazon Shipping customers can use TransactionNumber to get an invoice number, which they can map to an Amazon Shipping invoice.