The place call allows an order to be placed using the API and an
order_token rather than having to use the Web Interface.
Geotrust, Thawte, RapidSSL, DigiCert Limitations
For orders for thawte, Geotrust, DigiCert and RapidSSL brands the dns_string and file_contents will be empty. You will need to perform a review call to obtain this approximately 30 seconds after the order has been placed.