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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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Credit card auto fill not working on React

I am trying to set credit card auto fill up and running. The idea is: open the following link on a device (I have an iPhone 6). https://codesandbox.io/s/1v6lrjo324 If theres data on the device, on clicking on the first field it should show a message…
Inigo Llamosas
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Chrome Credit Card Autofill Field Name Bug/Conflict

Does anyone know why a form field name would cause Chrome's autofill to stop working correctly? If you open the fiddle I've created in Chrome, you'll notice the Card Number field populates correctly, but not the expiry month and year. If you change…
Eric M
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Modelling profitability of credit card by Markov Decision Process.

This is with reference to a paper published on Modelling the profitability of credit cards by Markov Decision processed.I am trying to implement the same in python using Mdptoolbox but not getting the output in the format expected. My states are the…
AnkitPandey
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IPhone: Integrating Merchant API Payment Processing (Real Goods)

I've been doing research on an application that will sell real-world goods/services. After reading the rules we cannot use the 'in-app-purchase' model and must integrate (so it seems) with a 3rd party merchant service for credit card processing. …
noutlaw
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How to test the new Mastercard cards?

I read this update from Mastercard about their new BIN series that starts with 2: https://www.mastercard.us/en-us/issuers/get-support/2-series-bin-expansion.html I want to make sure we’re not getting any issues with our BlueSnap account – can anyone…
Poseidonios
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Incorrect card number when swiping with Magtek Card Reader

I'm am currently working on a POS web app, where we use the credit card swipe functionality. I'm planning to use the card reader: MagTek 21073062 Dynamag Magnesafe Triple Track Magnetic Stripe Swipe Reader with 6' USB Interface Cable, 5V, Black I…
rajkris
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Credit card validator , calling method doesn't work

I'm relatively new to java and am trying to break my code down as much as possible. This question is really on how to organize methods to work together My credit card validator works if checkSum() code is written in the validateCreditCard() method.…
J. Doe
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How to integrate react-credit-cards with redux-form wizards form

Redux-form Wizard http://redux-form.com/6.7.0/examples/wizard/ works great with standard controls from examples. I was trying to integrate more complex controls, such as react-credit-cards enter link description here and have problems passing its…
Ka Tam
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How to pass credit card detail directly at payment in Paypal Android SDK?

I have successfully completed payment process with PayPal Android SDK. now, I have credit card detail and want to pass it at payment time. I've already tried many examples and methods. none of its seems work. Any help would be appreciated.
Tejas Pandya
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Trying to determine CC number and select type

I am working on an assignment where I have to write the JS that will read in a credit card number and then select the appropriate checkbox for whichever type of card it is (visa, amex, discover, mastercard). The HTML was pre-written I just had to…
Daniel Miller
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Placing API calls with test Credit Cards in BlueSnap Sandbox?

I'm trying to place API calls to charge shoppers in BlueSnap's Sandbox - using a simple Auth-Capture call and I'm not sure which test cards I can use: 4263982640269299 …
DevGirl_22
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How does mobile app like FoodPanda stores card information?

I am researching on the available options for storing card information and I think that mobile app like FoodPanda do not really store the full card information in their database. Do they use 3rd party services to store the card information and make…
Norman
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3 answers

Paypal as payment gateway?

i have to choose between several payment gateways. I heard that PayPal is quite a mess and there were several fraud-issues? Does some of you have experiences with PayPal? Thanks in advance
trnc
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Accept credit card/echeck payments

I bill customers monthly for a service and would like them to be able to go to my website and pay by credit card or echeck. I can do an integration with Authorize.net/ach direct/paypal/etc, but if there is something open source or some sample code…
NotDan
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Why Luhn algorithm multiply by 2?

I have question about Luhn algorithm. The luhn algorithm (mod 10) for error detection and check sum digits. For example digits like visa, credit card etc. for example we have digits : Digits 1 2 3 4 5 6 7 8 9 3 Step 1: Multiply the value of…
user3752566
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