No app matched their checkout → a native checkout option, saved on the order.
The brand wanted a shipping protection offer at checkout, and no off the shelf app matched how their checkout worked.

A DTC brand
A Checkout UI extension at the shipping step with the selection written back to the order, so fulfilment sees exactly what was chosen.
Shipping protection is a native checkout option, and fulfilment sees the choice on the order.
Checkout UI extension, order metafields
You need checkout to offer something no app does the way your store works.
Redrawn for privacy



Facing the same constraint?
Tell me how it shows up in your store, and I will tell you the sensible next step.