Originally Posted by
nacho
Are you using a credit card issued in the US? I know a lot of European cards have issues when buying stuff online. A lot of issuers require verified by visa or masterpass or AMEX key to make purchases online.
IIRC Marriott doesn't pause to do the card verification process (App, text message, whatever) on points purchases.
I would suspect that the OP's cards are set up to require verification which Marriott doesn't do. Thereby allowing Marriott and the banks to blame each other...
Sometimes you can get around this with fintech apps that issue a single-use credit card number for online spending...