Changes to Start or resume signing an agreement (business)

added the optional property error/authorization to the response with the 400 status

added the optional property error/authorization to the response with the 401 status

added the optional property error/authorization to the response with the 403 status

added the optional property error/authorization to the response with the 404 status

added the optional property error/authorization to the response with the 409 status

added the optional property error/authorization to the response with the 503 status

added the optional property error/authorization to the response with the default status

added the new custody_contract enum value to the purpose response property for the response status 200

added the new optional request property contract_type

the request property document_id became optional

added the new custody_contract enum value to the request property purpose

added the optional property contract_type to the response with the 200 status

api tag customer-session added

added the optional property document/customer_legal_name to the response with the 200 status

endpoint added