---
title: cartGiftCardCodesAdd - Storefront API
description: >
  Adds gift card codes to a [`Cart`](/docs/api/storefront/2026-01/objects/Cart)
  without replacing any codes already applied. Gift card codes are
  case-insensitive.


  To replace all gift card codes instead of adding to them, use
  [`cartGiftCardCodesUpdate`](/docs/api/storefront/2026-01/mutations/cartGiftCardCodesUpdate).
api_version: 2026-01
api_name: storefront
type: mutation
api_type: graphql
source_url:
  html: >-
    https://shopify.dev/docs/api/storefront/latest/mutations/cartGiftCardCodesAdd
  md: >-
    https://shopify.dev/docs/api/storefront/latest/mutations/cartGiftCardCodesAdd.md
---

# cart​Gift​Card​Codes​Add

mutation

Adds gift card codes to a [`Cart`](https://shopify.dev/docs/api/storefront/2026-01/objects/Cart) without replacing any codes already applied. Gift card codes are case-insensitive.

To replace all gift card codes instead of adding to them, use [`cartGiftCardCodesUpdate`](https://shopify.dev/docs/api/storefront/2026-01/mutations/cartGiftCardCodesUpdate).

## Arguments

* cart​Id

  [ID!](https://shopify.dev/docs/api/storefront/latest/scalars/ID)

  required

  The ID of the cart.

* gift​Card​Codes

  [\[String!\]!](https://shopify.dev/docs/api/storefront/latest/scalars/String)

  required

  The case-insensitive gift card codes to add.

  The input must not contain more than `250` values.

***

## Cart​Gift​Card​Codes​Add​Payload returns

* cart

  [Cart](https://shopify.dev/docs/api/storefront/latest/objects/Cart)

  The updated cart.

* user​Errors

  [\[Cart​User​Error!\]!](https://shopify.dev/docs/api/storefront/latest/objects/CartUserError)

  non-null

  The list of errors that occurred from executing the mutation.

* warnings

  [\[Cart​Warning!\]!](https://shopify.dev/docs/api/storefront/latest/objects/CartWarning)

  non-null

  A list of warnings that occurred during the mutation.

***

## Examples

* ### cartGiftCardCodesAdd reference