---
title: Cart Lines
description: The API for interacting with the cart lines.
api_version: 2026-01
api_name: checkout-ui-extensions
source_url:
  html: https://shopify.dev/docs/api/checkout-ui-extensions/latest/apis/cart-lines
  md: https://shopify.dev/docs/api/checkout-ui-extensions/latest/apis/cart-lines.md
---

Cart Lines

Not supported in this version.