Inventory Module for Medusa: manages inventory items, their stock levels per location, and reservations. Use it to track stocked quantities, reserve stock for orders and carts, and check availability across locations. It ships with `@medusajs/medusa` and is registered by default; resolve it in your code with `container.resolve(Modules.INVENTORY)`.
## At a glance
| | |
| --- | --- |
| Package | `@medusajs/inventory` |
| Type | Commerce Module |
| Module key | `Modules.INVENTORY` (`"inventory"`) |
| Registered by default | Yes |
## Installation
No installation needed. The module ships with `@medusajs/medusa`.
## Usage
```ts
import { Modules } from "@medusajs/framework/utils"
const inventoryModuleService = container.resolve(Modules.INVENTORY)
const [inventoryItems, count] =
await inventoryModuleService.listAndCountInventoryItems({})
```
## Resources
- [Inventory Module](https://docs.medusajs.com/resources/commerce-modules/inventory)
- [Inventory Concepts](https://docs.medusajs.com/resources/commerce-modules/inventory/concepts)
- [Inventory Kits](https://docs.medusajs.com/resources/commerce-modules/inventory/inventory-kit)
- [Reservations Lifecycle](https://docs.medusajs.com/resources/commerce-modules/inventory/reservations-lifecycle)
- [Links to Other Modules](https://docs.medusajs.com/resources/commerce-modules/inventory/links-to-other-modules)
