SMP/e Order is provided via our CA SMP/E Internet Service Retrieval delivery method. The following links include notes on how to configure this in your environment. You will need to login to Techdocs to see the full details.
CA SMP/e Internet Service Retrieval
Configure CA SMP/e Internet Service Retrieval
You will see in the documentation that the order server is https://eapi.broadcom.com/receiveorder