---
title: cartGiftCardCodesAdd - Storefront API
description: Adds gift card codes to the cart without replacing existing ones.
api_version: unstable
api_name: storefront
source_url:
  html: https://shopify.dev/docs/api/storefront/unstable/mutations/cartgiftcardcodesadd
  md: https://shopify.dev/docs/api/storefront/unstable/mutations/cartgiftcardcodesadd.md
---

# cart​Gift​Card​Codes​Add

mutation

Adds gift card codes to the cart without replacing existing ones.

## Arguments

* cart​Id

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

  required

  The ID of the cart.

* gift​Card​Codes

  [\[String!\]!](https://shopify.dev/docs/api/storefront/unstable/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/unstable/objects/Cart)

  The updated cart.

* user​Errors

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

  non-null

  The list of errors that occurred from executing the mutation.

* warnings

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

  non-null

  A list of warnings that occurred during the mutation.

***

## Examples

* ### cartGiftCardCodesAdd reference

## Mutation Reference

```graphql
mutation cartGiftCardCodesAdd($cartId: ID!, $giftCardCodes: [String!]!) {
  cartGiftCardCodesAdd(cartId: $cartId, giftCardCodes: $giftCardCodes) {
    cart {
      # Cart fields
    }
    userErrors {
      field
      message
    }
    warnings {
      # CartWarning fields
    }
  }
}
```

## Input

##### Variables

```json
{
  "cartId": "gid://shopify/<objectName>/10079785100",
  "giftCardCodes": [
    "<your-giftCardCodes>"
  ]
}
```