How do you deal with partial shipments? I have some items coming from Printful, and some items I am fulfilling myself. In this case, how do you notify the customer about partial shipments and tracking?
Site URL: https://harmonica-guava-gra7.squarespace.com/config/pages/5e1e6da593fea070e53f4edb
Our website is fulfilling orders for another website. How do I create an API back end link to do this?