Amazon Marketplace Web Service (Amazon MWS) Documentation

Deprecation Notice:

Amazon Marketplace Web Service (MWS) will no longer be available after March 31, 2024. All MWS developers must migrate to Selling Partner API (SP-API) to avoid service disruptions. Refer to the Migration Hub for more information.

Amazon MWS Documentation

Monitor inventory availability with the Fulfillment Inventory API section

The Fulfillment Inventory API section provides Amazon's most efficient mechanism for maintaining real-time Fulfillment by Amazon (FBA) inventory availability data on local systems. To obtain availability information for your inventory in Amazon's fulfillment network, do the following:

Submit the ListInventorySupply operation.
Include the QueryStartDateTime request parameter and do not include the SellerSkus request parameter.

This returns items in your FBA inventory that have had changes in availability since the QueryStartDateTime.

For more information, see ListInventorySupply.

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