# cartCreate

Creates a new cart for customers to add products and proceed to checkout.

## Authentication

> **Public Access**: Accessible with the public API key

## Mutation Structure

```graphql
mutation {
  cartCreate(input: CartInput!) {
    cart {
      id
      createdAt
      updatedAt
    }
    userErrors {
      field
      message
    }
  }
}
```

## Input Arguments

| Argument | Type | Required | Description |
|----------|------|----------|-------------|
| input | [CartInput](/reference/storefront/1.3.0/inputs/cart-input) | Yes | The input object containing cart creation details such as line items and attributes |

## Return Type

[CartCreatePayload](/reference/storefront/1.3.0/objects/cart-create-payload) - The payload returned by the cartCreate mutation, containing the newly created cart and any validation errors that occurred during creation.

## Example

```graphql
mutation {
  cartCreate(input: {
    lines: [
      {
        quantity: 1
        merchandiseId: "12345"
      }
    ]
  }) {
    cart {
      id
      createdAt
      updatedAt
    }
    userErrors {
      field
      message
    }
  }
}
```

## Related Types

- [CartCreatePayload](/reference/storefront/1.3.0/objects/cart-create-payload)
- [CartInput](/reference/storefront/1.3.0/inputs/cart-input)