Skip to main content
OverflowAI is here! AI power for your Stack Overflow for Teams knowledge community. Learn more

Questions tagged [credit-cards]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
449 votes
10 answers
190k views

Why do credit card forms ask for Visa, MasterCard, etc.?

You can tell if it's a Visa or MasterCard based on the number it starts with, i.e. 4 for Visa, 5 for MasterCard. Why do most billing forms request the type of card? It's not a barrier for bots (to my ...
Aaron Hall's user avatar
  • 4,003
50 votes
7 answers
12k views

Showing "this is secure" on credit card entry screen

Should I show some sort of "this site is secure" puffery (e.g. lock image, or some brief "this site is secure" boilerplate) on my credit card payment screen? If so, what should it look like? If not, ...
Jeffrey Kemp's user avatar
120 votes
10 answers
64k views

Splitting credit card number fields into four different inputs

I have previously been using 4 fields for the credit card number, splitting up each set of 4 numbers to make it easier to enter. I am now thinking about having one field, which inserts spaces after ...
Source's user avatar
  • 2,363
23 votes
6 answers
5k views

Name on card, or Card number first?

We have a fairly simple credit card form on a public website for users to add a new card, but in the process of adding support for American Express we found they require the collection of the "Name on ...
anthonyryan1's user avatar
  • 1,034
5 votes
5 answers
1k views

Is it a bad idea to have all credit card fields on one horizontal line?

My checkout form is a bit long and I don't like it, so I placed credit card fields on one line. Is it a bad idea to have all the fields on one line horizontally like the image below?
user39648's user avatar
  • 115
4 votes
2 answers
205 views

Why do chip card readers in the US continuously flash messages?

I've noticed that all (or nearly all) the point-of-sale displays that accept credit cards with the chip in the US follow a pattern of flashing different messages during processing. Once the chip card ...
Jake Cobb's user avatar
  • 143
4 votes
4 answers
7k views

The most intuitive way to input credit card expiry dates [duplicate]

So the two options I am considering is a drop down for months, showing the number followed by an abbreviated month, e.g. 02 Feb. Or a text field, that splits the numbers into the format MM / YY. With ...
Source's user avatar
  • 2,363
2 votes
1 answer
217 views

Improve chip credit card reader processing messages

Chip card readers in the US started to roll out around a year ago. Since then, I've noticed from personal experience and the report of multiple cashiers that the displayed "DO NOT REMOVE CARD" ...
ErikE's user avatar
  • 693