---
title: "Update cart items"
method: PATCH
path: "/carts/{cart_id}/items"
tags: ["Carts"]
---

# Update cart items

`PATCH /carts/{cart_id}/items`

Update items to cart

## Path parameters

- `cart_id` string, required

## Request body

- object
  - `items` object[]
    - `cart_item_id` string, required — Cart item identifier
    - `quantity` integer, required — Cart item quantity

## Response `207`

- object
  - `error` object
    - `message` object[], nullable
      - `code` string — Cart item error code
      - `reason` string — Cart item error reason
      - `index` integer — Cart item index
  - `trace_id` string

---

[API](https://skmtc.net/shoplineapp/apis/shopline-open-api.md) · [All operations](https://skmtc.net/shoplineapp/apis/shopline-open-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/shoplineapp/shopline-open-api/versions/1675ac12cde7/schema)