Hacker News new | past | comments | ask | show | jobs | submit login

Probably to add the surcharge? Vendors pay AMEX a % of the purchase.



Could be a possibility, in the situation where I didnt have to select a card type the system would automatically register the correct type as soon as I swiped the card.




Consider applying for YC's Spring batch! Applications are open till Feb 11.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: