Stack Overflow
Stack Overflow

Questions tagged [credit-card]

is used for questions related to payment cards. Questions regarding security of payment card data may want to consider using the pci-dss tag.

This tag is used with questions related to payment cards.

If your question is regarding security of payment card data, then you may want to consider using the tag.

Note that much of the advice surrounding this topic is region dependent, so it will help if you mention where in the world you are.

FAQs for this tag:
Which payment gateway should I choose

Terminology associated with this tag:
Merchant
Payment Gateway / Service Provider
PCI-DSS

1191 questions
-3
votes
1 answer

How can I create a credit card validator using Luhn's algorithm?

I am trying to create a simple credit card validator using Luhn's algorithm. If the check digit matches the last inputted number, then it should alert the user that it is valid. Else, say that it isn't valid. Currently, I am getting an error with my…
b07580
  • 41
  • 7
-3
votes
1 answer

How do I add donation functionality to a non-profit website?

I am developing a website for an NGO from scratch. How do I add functionality that will enable users to make donations via PayPal/Credit card?
Tuto Kalitera
  • 3
  • 1
-3
votes
1 answer

POS Entry mode 5

Who has the responsibility to pay for a purchase made with a VISA TC chip. The purchase was made without PIN, POS entry 5 mode. The acquirer, the bank, or the user? Card was reported 12 hours after the purchase. Tnks!
Romina Paz
  • 1
-3
votes
1 answer

stripe create account and charge a card

Trying to work with Stripe to create an account, charge a card, and sign up for a subscription which will start 15-30 days later. What I want to do is: 1) Collect up front the use infomation (email, address, first/last name, card info, etc) which…
tpage
  • 123
  • 2
  • 8
-3
votes
1 answer

How to process payments with credit cards through Paypal from Argentina

I am new to Paypal integration and cannot find how am I supposed to make it. My requisites are the following: Company registered in Argentina Users should be able to buy without having to create a Paypal account with a credit card The integration…
Adrián E
  • 1,683
  • 2
  • 14
  • 24
-3
votes
3 answers

Can physical credit card reader identify first & last name?

I'm looking into how physical credit card readers work, like the ones in grocery store. Can they identify who is paying, e.g. first name & last name that is printed on a credit card? What kind of data do they get? Do physical card readers get credit…
Gintas_
  • 4,940
  • 12
  • 44
  • 87
-3
votes
1 answer

What are all the required details for create Paypal Business Account for my Indian e-comm site

Actually my site from India, I need to get cash from my international customer by using Paypal. What are all the required details for creating India business account? Note: Not for India, only for international customers.
Gem
  • 126
  • 1
  • 2
  • 18
-3
votes
1 answer

If I am creating an online store and using the stripe api (for the first time) should I save credit card info in my database?

I am pretty sure doing so is a bad practice, but I just need to make sure that if I implement stripe, it will take care of all the data that the user will provide.
Parth Patel
  • 13
  • 1
  • 5
-3
votes
2 answers

Credit card number format for American express

In my android app, I have this format xxxx xxxx xxxx xxxx for credit card number but when I insert AMEX with 15 digits I want it to be shown as xxxx xxxx xxxx 1234 Instead, I get xxxx xxxx xxx1 234. How do I fix this? I'm using this…
Katherina
  • 379
  • 1
  • 2
  • 15
-3
votes
1 answer

Swift - Format textfield for a credit card

I've been stuck on this for awhile now and I was wondering what is the best way to format a textfield for a credit card type format?
Fred
  • 11
  • 1
  • 2
-3
votes
1 answer

Validating credit card format using regular expressions?

I have an assignment that requires me to validate certain credit card formats using regular expressions. For example a MasterCard has 16 digits, starts with a 5 and is followed by 15 digits, so the regular expression would be as…
Z Zhong
  • 11
  • 5
-3
votes
2 answers

How does Booking.com process credit card info?

Recently I have been reading a lot about online credit card transactions. My project is similar to Booking.com, basically the workflow is something like that: 1) User find a hotel 2) User clicks on the button to book the hotel, then 3) User is…
Lara
  • 2,170
  • 6
  • 22
  • 43
-4
votes
1 answer

Credit Card Number Verification

I am working on the credit problem of CS50. However, I am only printing INVALID no matter what card number I put in. May I ask what is the problem with my code? It seems that there is something wrong with the part to calculate the total sum. …
mkmkmkmk
  • 47
  • 1
  • 6
-4
votes
2 answers

store credit card as payment method using stripe in Ecommerce website

Currently, I am working on e-commerce website application developed on LARAVEL. In this project, I am accepting one time payments using STRIPE. I understand I can not store card details on my side but I want to create new feature such as Payment…
mkirr
  • 81
  • 2
  • 5
  • 15
-4
votes
1 answer

Jquery - Split a string(credit card number) in 4 groups

I'm looking to split a credit card number in 4 groups with 4 digits each. So for 4111111111111111, to be displayed as 4111 1111 1111 1111. Keep in mind that this code is already existing, so I don't want to split it while typing. Thanks a lot!
Mircea Mihai
  • 3
  • 2
1 2 3
…
79
80