POST v1/ sell/shipping_profiles/items/:item_id/set_shipping_profile/:shipping_profile_id
Endpoint to assing a Shipping Profile of ID =
:shipping_profile_id to an Item of ID
Do it yourself from console!
Assuming that you have a valid token previously exported into BEARER env variable and that the current user has both the Shipping Profile with ID = 1 and the Item with ID = 15953
Association between Item and Shipping Profile successfully created.
Something really bad on server side happened. :(