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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
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Automatically charge PayPal account?

I'd like to automatically charge my members a variable amount of money based on the services they use on my website. They would accumulate a balance owing, and then every week they would be charged for that amount. Is there a way I can do this…
mpen
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What card types are recognized by card.io? Does card.io support recognizing merchant cards?

There is no documentation for card.io that I can find other than source comments. The CardIOCreditCardInfo.h file has an enum for CardIOCreditCardType. typedef NS_ENUM(NSInteger, CardIOCreditCardType) { /// Deprecated. /// @see…
Travis
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Safest way to pass credit card number through a multi-step form?

On step 3 I have a form which accepts a credit card, Step 4 re-prints the information including the last 4 digits of the credit card, and Step 5 I need to know the full CC # to process it and send it through my https connection to a 3rd party vendor…
meder omuraliev
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Credit Card Payment Solutions for Desktop Applications

There are a whole raft of questions regarding payment processors for web applications but I haven't seen one yet for desktop applications. What are your experiences? Perhaps to put this into a little context, the requirements: Should be…
TheObserver
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Credit Card validator for java

I need to do a Credit card number validation. When I googled this I found the org.apache.commons.validator.CreditCardValidator. But seems like it is not working correctly. When I pass a non-digit character also it porvides true. Code for Apache…
ironwood
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String operation in ruby for credit card number

Working on a rails project where there's an order confirmation string with a credit card number with all but the last four digits starred out. What's the proper way to do a string substitution? What's the operation to get this credit_card_number =…
Kenji Crosland
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Credit Card validation with Jquery

I'm trying to validate credit card numbers with jQuery but i dont want to use the validation plugin , is there any other plugin for doing this?
Nikola Sivkov
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What's the MAPP protocol to fetch a posted transaction?

I've got some 15-year-old code that does MAPP (MasterCard Automated Point of sale Program) credit card transactions over POTS and a modem, with Host Data Capture (as opposed to Terminal Data Capture). It implements: get approval (opcode #08), post…
Witness Protection ID 44583292
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Headphone Phone Jack Credit Card Swipe with Browser App

We want to accept credit card swipes via iPhone and Android phones but cannot find any devices that connect via the headphone jack that will populate a field in the phone's browser. This is very easy to do with USB devices connected to a PC. …
SemanticZen
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Is it secure that store creadit card info on android?

In my approach, at first time user wants to pay by credit card, he must reenter his login password and full credit card info. after success paid, I generate a random key, pack it as a keystore, finally store keystore file at internal storage, this…
Lin Yu Cheng
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Credit card prediction in Javascript

I'm writing a tool that onkeydown will run the current value being entered in an input box to check to see if it matches a regex for one of the 4 major types of credit cards. I feel like it kind of works, but it's flaky so I wanted to figure out…
bob_cobb
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Is it possible to install/access SSL for my Google App Engine app?

Since App Engine is so locked down I assume there is no way to setup an SSL certificate to allow credit card payments. In the absence of this, how is it possible to secure handle payments in an App Engine app?
Y. Thoma
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Taking credit card information online without processing -- how best to do so?

I have had a number of requests from clients wanting to take a customer's credit card number online and then process the payment in store at a POS of terminal. I'm wondering what the best method of doing this is. I don't want to store the credit…
Darryl Hein
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Find and Replace credit card numbers

We have a large database with a lot of data in it. I found out recently our sales and shipping department have been using a part of the application to store clients credit card numbers in the open. We've put a stop to it, but now there are thousands…
iarp
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Capture credit card information from card reader into an uneditable text field

I'm newbie in terms of Javascript. Here's my problem: I wish to capture credit card information from a card reader and then process it. So far, I've been able to capture dummy credit card data in an HTML textbox field - its no rocket science…
trishulpani
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