We could really use this feature. It is certainly possible via Amazon
Buy Shipping for multiple item orders. There just needs to be a way to
put items in cartons. Their API requires the line_item_id and qty for
each item in a carton. All of the infor...
I agree with many of the comments here. ShipStation is overall a great
tool. Multiple packages is it's biggest weakness for our use case. The
ability to create multiple package shipments via API would be a great
enhancement.
If this isn't implemented, we'll be forced to investigate alternate
services. Creating multiple package shipments manually is a huge waste
of time. We can easily automate this if the API simply supported
"Packages".