My complaint:
Hi
I have been in Turkey for a month and using my Mastercards with both Monzo and Starling bank in the UK perfectly. However about a week ago, all online or app payments with my two cards were not being authenticated or recognised by the vendor. I would authenticate normally in my bank’s app, but then when I was redirected to the vendor, all payments would fail.
This is a mastercard issue because it has happened across three separate companies in Turkey (Turkcell, BiTaksi, iTaksi) and across two different UK Banks. The only common demoninator is 3ds Mastercard.
Suggested solution:
Can Mastercard investigate this issue as a matter of urgency and resolve whatever needs resolving. I can't make payments through the taxi app which means handling cash which is not secure at all due to Covid.