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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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Paypal Express Checkout Subscription using Credit Card Payment

Question: Is it possible to set up a subscription via Paypal api Express Checkout, so you can pay via Credit card and Paypal login. The Paypal login works no problem, but I can not get it to work with credit cards at the moment. I have set the NVP…
Llewellyn
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Payment between POS Terminal and Bank

I want to make program to talk between a Bank and POS Terminal Devices without using any third party tools. Let's assume that, currently, this program will only be used to talk with a specific bank through bank switching IP address + Port…
Frank Myat Thu
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iOS - credit card + PayPal transaction NOT via in-app purchases

I was wondering how can I ask a user for credit card details and charge him without using Apple's in-app purchasing mechanism. My idea was to post the user's credit card to my online credit billing system and make the transaction on the website,…
Almog C
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Application functionality calls for saving Credit Card details for future ease. Need to investigate if any specific security design exists for this

Hi i Need to know if any specific security design exists for saving credit card details of user for future use.Actually iam developing an application in android and its like an app market selling products and i want to implement this functionality…
user1034991
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Is there an API for online purchases using a credit card for iOS and Android?

I am developing an application for both: iOS and the Android platform which sells actual items. Is there any API that users can use to pay with a credit card for online purchases that I can use with my application? I'm looking for some API similar…
user996481
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2 answers

How to convert string into int array in C#

I am making a credit card validator program in which I am asking for a string which is going to be a 16 digit number (credit card #) and I want to convert that into an int array. How do I do that? I need to then multiply every other digit starting…
user972306
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1 answer

Is it allowed to ask users to enter credit card details for own payment method?

It seems to me Apple won't allow this, but I need to make sure. For an app we're building, we want to ask the user to enter payment information (including credit card details) to pay for tickets. The transaction will be completed by calling a…
Wolfgang Schreurs
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Android payment processing through paypal/credit card

How to process the payment by paypal/credit card from a android app? Right now I have been converting an online website into an android app. And the final process is processing paypal/credit card payment. I don't know how to go about this.
Dinash
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How to accept PayPal or credit card payments within Facebook app?

Is it possible to accept credit card payments or execute PayPal transactions within a Facebook app? The ideal flow is for users to browse a catalog and complete a purchase all within Facebook. Is this possible? If so, could you provide…
Crashalot
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how to do autofill credit card with react native on iOS?

username / password can be auto filled. Is it possible to autofill credit card info, like name, card number, expiry date and CCV?
user1775616
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2 answers

Sample Credit Card processing

Can anyone direct me to a place where I can find a mock implementation of Credit Card processing system, using mySql and PHP??? Just want to check out how the system works, using some sample credit card numbers and stuff. Thanks.
Kyle Rayner
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Autocomplete credit card expiry cc-exp not filling in the desired format

I've recently discovered that my credit card expiry date is not being populated by the browser autocomplete even though Name and Card number populate fine. The field does highlight as if it wants fill, it just doesn't get a value. I have looked at…
Tash
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Is it PCI-compliant to serve images (securely) from not just a different subdomain, but a different domain?

Is it PCI-compliant to serve images (securely) from a different domain? I searched the PCI DSS 2.0 PDF and didn't find any references to it.
mattalxndr
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Is there a secure way to guarantee credit card uniqueness?

So, like any reasonably competent web development shop, we wear cotton gloves when we touch credit cards, and we use Braintree SecureVault to store them so we are clear of PCI Compliance issues. However now we want to offer a free trial for our…
gtd
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Using ONLY Authorize.Net: Making Multiple Partial Captures on a Single Credit Card Charge Authorization

I had a question regarding a similar question posed before (the thread titled "multiple captures on a single credit card authorization"). Essentially I ask the same question but would like to ask in detail if multiple partial captures are possible…
SparkeE
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