Company of the customer. . Required in case that billing.firstName & billing.lastName are not provided.

Unique identifier of the company, recognised by the government. Known as CoC (Chamber of Commerce) number in some countries

Consumer's email address.
Note: Required for 3DS. Please refer to the 3D Secure API specification for the format requirements.

Entity id on which the customer is created. Entity Id can be located on the organization level as Organization ID (Administration > Organizations > [Organization] > Organisation ID value)

Cardholder's phone number

Title

Consumer's work phone number.

Customer language preferences for the Invoice document. Read Localisation for details.