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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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Storing credit cards, an alternate to using a credit card vault

Obviously I'd love to use a credit card vault to store cards. But our business model doesn't allow for this. For example: our clients are corporations, they create accounts in our software. Each account has its own set of users. They want to charge…
Binary Logic
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Credit Card processing library that handles many merchant gateways?

Looking for a c# library that interfaces to multiple merchant gateways. Should at minimum be able to handle PayPal and authorize.
DevelopingChris
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5 answers

reading EMV card using PPSE and not PSE

I'm trying to read the data off a contactless Visa Paywave card. For the Paywave, I have to submit a SELECT using PPSE (2PAY.SYS.DDF01) instead of PSE (1PAY.SYS.DDF01). The EMV book 1, section 11.3.4, table 43 only describes how to interpret the…
9999bao
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5 answers

Storing credit card information with PayPal's 'Website Payments Pro'?

I am developing an e-commerce website where some customers will be making frequent online purchases. With that said, I am trying to find a solution that will allow me to securely store credit card information, using Website Payments Pro, so…
David
9
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1 answer

Authorize.net CIM Duplicate Transaction Window

I'm working with Authorize.net's Customer Information Manager API (CIM). My test case is centered around a user giving the wrong address during checkout. My application will attempt to create a customer profile each time the user submits the…
Nick
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8
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3 answers

How to get Credit Card Balance?

Is there ability to get in some way Balance on CreditCard ? API of Authorize.net or Paypal were examined on this subject and no results. In real life any cash terminal can show to you balance on your credit card. That is why I assume there is some…
Vadym V Karpenko
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8
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3 answers

Storing Credit Card Info

So I know there have been numerous posts about storing credit card information. We are building a mobile application and want people to be able to enter in their card information once, not with each purchase. We looked at Authorize.net CIM, and it…
Nick
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4 answers

React Native: How to make format card expiration with / using ?

In React Native using , I am trying to make / appear only when the is focused, and would stay there if another input is entered in. Currently, the format is MM/YY, so when the user types the third digit, it would go after…
user3259472
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1 answer

How unique are the last 4 digits of a credit card?

In our application we use the card type and last 4 digits provided by a merchant terminal as a unique identifier for customers. For example VISA-1234. Since the card number is not actually random (based on the lunh algorithm) do we really get 10,000…
Elliot Chance
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2 answers

CVC authentication with registered card stripe

I'm currently using stripe and ask customer to register the card (via stripe). After the first checkout, the customer has his card registered. This customer can re-use this card for another checkout and I want to ask the CVC / Card Security Code for…
GeoffreyHervet
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Where should I store credit card numbers in Android?

I have an application and the customer needs the app to store the user's credit card details. Where should I store it?
Héctor Prats
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3 answers

I don't understand how Westpac Payway API and NET works

Been googling all day, reading numerous PDF's and still getting confused with the concepts of sending data to Payway system from Westpac (a bank in Australia). They offer access via API but also give access via what they call "NET." The way I…
spirytus
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How to style a credit card expiration date input field to include spaces and forward slash?

I am wondering how I can style one input field (type = text) to display with spaces and a slash between numbers, like this: I know how to constrain the input to digits and perform validation. That's not what I'm asking. I'm wondering about the…
Doug
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Minimizing PCI compliance when my checkout flow has a confirmation page

I have a shopping cart flow like this: Page 1. Choose Products Page 2. Enter address, shipping, credit card details on a single page checkout. Page 3. User confirms the order - but we want a final opportunity to upsell, so we must be able to…
Simon_Weaver
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Updating Stripe customer address and NOT card info

Is it possible to just update a customer's stored address on Stripe and not the card as well? Reason I am asking is the way I have it now, the customer can update their info, but it requires their card to be entered as well even if it is just a city…
souporserious
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