---
title: CustomerErrorCode - Storefront API
description: >-
  Error codes returned by the
  [`CustomerUserError`](/docs/api/storefront/2026-10/objects/CustomerUserError)

  object. These codes identify specific validation and processing failures for

  customer-related mutations, including account creation, updates, password

  resets, and address management.
api_version: 2026-10
source_url:
  html: 'https://shopify.dev/docs/api/storefront/latest/enums/CustomerErrorCode'
  md: 'https://shopify.dev/docs/api/storefront/latest/enums/CustomerErrorCode.md'
api_name: storefront
api_type: graphql
type: enum
---

# Customer​Error​Code

enum

Error codes returned by the [`CustomerUserError`](https://shopify.dev/docs/api/storefront/2026-10/objects/CustomerUserError) object. These codes identify specific validation and processing failures for customer-related mutations, including account creation, updates, password resets, and address management.

## Valid values

* ALREADY\_​ENABLED

  Customer already enabled.

* BAD\_​DOMAIN

  Input email contains an invalid domain name.

* BLANK

  The input value is blank.

* CONTAINS\_​HTML\_​TAGS

  Input contains HTML tags.

* CONTAINS\_​URL

  Input contains URL.

* CUSTOMER\_​DISABLED

  Customer is disabled.

* INVALID

  The input value is invalid.

* INVALID\_​MULTIPASS\_​REQUEST

  Multipass token is not valid.

* NOT\_​FOUND

  Address does not exist.

* PASSWORD\_​STARTS\_​OR\_​ENDS\_​WITH\_​WHITESPACE

  Input password starts or ends with whitespace.

* TAKEN

  The input value is already taken.

* TOKEN\_​INVALID

  Invalid activation token.

* TOO\_​LONG

  The input value is too long.

* TOO\_​SHORT

  The input value is too short.

* UNIDENTIFIED\_​CUSTOMER

  Unidentified customer.

***

## Fields

* [Customer​User​Error.code](https://shopify.dev/docs/api/storefront/latest/objects/CustomerUserError#field-CustomerUserError.fields.code)

  OBJECT

  Represents an error that happens during execution of a customer mutation.

***

## Map

### Fields with this enum

* [Customer​User​Error.code](https://shopify.dev/docs/api/storefront/latest/objects/CustomerUserError#field-CustomerUserError.fields.code)