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# updateCheckoutBillingAddress

GraphQL MUTATION

Update a checkout billing address.

Reference: https://docs.bigcommerce.com/developer/api-reference/graphql/storefront/mutations/checkout/update-checkout-billing-address

## GraphQL Schema

```graphql
mutation ExampleMutation($input: UpdateCheckoutBillingAddressInput!) {
  checkout {
    updateCheckoutBillingAddress(input: $input) {
      checkout {
        id
        entityId
        currencyCode
        displayCurrencyCode
        billingAddress
        cart
        shippingConsignments
        shippingCostTotal
        shippingCostTotalInDisplayCurrency
        shippingCostBeforeDiscount
      }
    }
  }
}
```

## Variables

```json
{
  "input": {
    "checkoutEntityId": "example",
    "addressEntityId": "example",
    "data": {
      "address": {
        "firstName": "example",
        "lastName": "example",
        "email": "example",
        "company": "example",
        "address1": "example",
        "address2": "example",
        "city": "example",
        "stateOrProvince": "example",
        "stateOrProvinceCode": "example",
        "countryCode": "example"
      }
    },
    "version": 0
  }
}
```