---
title: "Inventory - Get Item Free"
method: GET
path: "/inventory/get_item_free"
tags: ["inventory"]
---

# Inventory - Get Item Free

`GET /inventory/get_item_free`

Retrieve the available (free) inventory quantity for an item, excluding reserved stock.

## Query parameters

- `sku` string, required — Item SKU to look up free inventory for
- `warehouse_ids` string[] — Filter by warehouse IDs

## Response `200`

Free (available) inventory for the item

- object
  - `free` number, required — Free inventory quantity (on_hand - reserved)
  - `on_hand` number, required — Total on-hand quantity across locations
  - `reserved` number, required — Total reserved quantity from open orders

## Other responses

- `400` — Bad request
- `401` — Unauthorized
- `403` — Forbidden. Insufficient permissions.
- `429` — Too many requests. Rate limit exceeded.
- `500` — Internal server error.

## Changes

- **2026-03-02** `fa53dd949b8e` — 1 breaking, 7 info
  - the `query` request parameter `sku` became required
  - api operation id `get_inventory_get_item_free` was added
  - added the media type `application/json` for the response with the status `200`
  - added the media type `application/json` for the response with the status `400`
  - …4 more
- **2024-04-22** `08cd9cfa14dd` — 3 info
  - for the `query` request parameter `warehouse_ids`, the type/format was generalized from `string`/`` to `array`/``
  - added the non-success response with the status `400`
  - added the non-success response with the status `401`
- **2024-04-19** `46ceda528000` — 1 breaking, 8 info
  - removed the media type `application/json` for the response with the status `200`
  - api operation id `get_inventory_get_item_free` removed and replaced with ``
  - the `query` request parameter `sku` became optional
  - for the `query` request parameter `warehouse_ids`, the type/format was generalized from `array`/`` to `string`/``
  - …5 more

[Change history](https://skmtc.dev/skulabs/apis/skulabs-api/changes/inventory/get_item_free/get.md)

---

[API](https://skmtc.dev/skulabs/apis/skulabs-api.md) · [All operations](https://skmtc.dev/skulabs/apis/skulabs-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/skulabs/skulabs-api/revisions/4b5ec0ed78a6/schema)