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.
For more information, refer to: