unique identifier to which account this order will belong to.

unique customer ref

if ICCID is provided, the product will be applied to the specified ICCID instead of a new iccid

Unique identifier of bulk order entity (internal use only)

If this header is not provided, or if an invalid version is given, the API will default to using the latest version available.

The 'Request-ID' is returned in the response header. It functions as a reference ID to assist client-side developers, particularly when working with asynchronous systems. This unique identifier helps in tracking individual requests, aiding in troubleshooting and system monitoring.