External Fulfillment Inventory API

Use the External Fulfillment Inventory API to update and manage inventory on multiple Amazon fulfillment channels, including the following:

• Seller Flex / FBA Onsite
• Multi Seller Flex
• Easy ship
• Self ship
• MFN Self Delivery
• Amazon Pharmacy

Sellers who sell across multiple channels can use this API to publish absolute location-level inventory from their own inventory management systems, including POS, ERP, and WMS.

Use cases

The following use case examples are available for the External Fulfillment Inventory API v2024-09-11:

• Publish location-level inventory
• Retrieve location-level inventory

Roles for the External Fulfillment Inventory API v2024-09-11