Hi, I'm trying to edit these two fields, card_type (such as visa) and last_four_digits (i.e. 1234) with a PUT request to /customerpayments/{id}.

At the same time I'm sending bank_charges (a float, such as 1.23). The bank_charges are saved, but the other two not.

Are they read-only, available to only POST as new?

Thank you!