BasicCustomer

Field	Type	Required	Description
internalCustomerNumber	number		Internal Customer number, set automatically upon creation
externalCustomerNumber	string		External Customer number
firstName	string		First name of the customer
middleName	`string	null`
lastName	string		Last name of the customer
emailAddress	string		format: email
status	Status		one of: active, inactive, deleted · default: "active"
isAnonymous	boolean		Indicates anonymous/guest customer. default: false
externalUpdateDate	string		format: date-time
taxExempt	boolean		default: false
taxClass	string		Tax class of the customer.

Example

{
  "internalCustomerNumber": 2,
  "externalCustomerNumber": "10001",
  "firstName": "John",
  "middleName": "Doug",
  "lastName": "Doe",
  "emailAddress": "john.doe@shopgate.com",
  "status": "active",
  "isAnonymous": true,
  "externalUpdateDate": "2026-01-01T00:00:00Z",
  "taxExempt": true,
  "taxClass": "string"
}