MSI

Multi-Source Inventory. Magento's system for managing stock across multiple physical and virtual warehouses.

In depth

MSI lets a Magento merchant have one product available from multiple stock sources (warehouse A, retail store B, third-party fulfillment C). Salable quantity is resolved per source selection. Emporiqa's Magento module is MSI-aware: when a shopper asks about availability, the assistant reports the resolved salable quantity, not the raw per-source stock.

Related glossary entries

HPOS

High-Performance Order Storage. WooCommerce's modern order-storage backend, introduced as opt-in in WooCommerce 7.1 and default in 8.2+, replacing the legacy custom-post-type storage model.

PrestaShop combinations

PrestaShop's variant system. A combination is a specific intersection of product attributes (e.g. size 42 + blue + cotton).

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