Adobe Commerce 2.3 reached end of support in September 2022.


The InventorySourceSelectionApi module provides service contracts for source selection algorithms (SSA).

This module is part of the new inventory infrastructure. The Inventory Management overview describes the MSI (Multi-Source Inventory) project in more detail.

Installation details

This module is installed as part of Magento Open Source. It cannot be deleted or disabled.


The InventorySourceSelectionApi module contains extension points and APIs that 3rd-party developers can use to provide custom inventory source selection algorithm functionality.

Public APIs

Public APIs are defined in the Api and Api/Data directories.

REST endpoints

The etc/webapi.xml file defines endpoints for setting the SSA and retrieving a list of valid SSAs.