Btw, it is not a new gateway. It is the same Auth.net gateway, but a new
account there. It is a bank change and their new bank requires a new
account with the same gateway.
I am in almost similar situation but my merchant is forced to change
Auth.net account, too. CIM tokens use a combination of customer and
merchant IDs so it looks like account change will break users' token
they collected so far. Is there anything we ...