Buying AirAsia tickets with Amex
I did a forum search but couldn't find anything. Last year I was able to buy AirAsia tickets for my holiday with Amex by changing currency to MYR, but it doesn't seem to work any more. In the app I get "Invalid merchant" error prompt and on website "We don't support that type of card" no matter which currency I try.
Does anyone know a workaround for this or is it hopeless? Their customer service is useless, " We suggest you don't use app to buy tickets, instead do it in internet using compatible browser." Compatible to what??