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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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Cannot pay in PayPal sandbox?

I am using Express Checkout, and when testing in sandbox, I used to fill in fake but valid credit card numbers, like those produced by this site: http://www.getcreditcardnumbers.com/ It all worked fine until recently I found that PayPal sandbox no…
yuji
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Any way to accept Credit Card swipes with a reader from a non-native Web App?

I am working on an application that is a marketplace of sorts and using Stripe's API for subscriptions, etc. The application is a web application that will be used a large amount of the time on mobile devices but it is not native - it is a browser…
IfTrue
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ways to validate subscription service in freemium product is valid

We have a freemium product, which menas that some functionality is available if the monthly subscription has been paid; if not paid, then the free capabilities remain available. Here is how I am thinking of processing it, but wanted to check: 1)…
AFG
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How to differentiate between Payment card (e.g. Credit/Debit cards) number and Non-Payment cards numbers?

I am working on a mobile payment app. User can add all his cards, both payment (e.g. Credit/Debit/Cash cards) and non-payment (loyalty cards to earn points) cards to the app. While adding card, I want to differentiate between these two types of…
iuq
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How to implement a payment gateway from credit card to bitcoins

I am looking for an API to allow customers to pay a service in bitcoins by inputting their credit card number or via bank transfer. Ideally the gateway would buy the bitcoins with the credit card and deposit them on a provided bitcoin wallet…
Kalianey
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Decrypt 3DES DUKPT per the ANSI X9.24 part 1 standard

I have a Magtek uDynamo and am trying to decrypt track 1. I have read the below and understand a little bit but don't know how to actually decrypt the data. The vendor said to use the ANSI test key to decrypt but I can't find anything on that. I…
user1054513
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Paypal REST API - Credit-Card verification without charging

I am using the Paypal Rest API in my C# .Net Framework 4.5.1 to verify credit-card payments. I want to be able to verify the credit card of a customer while registering them to my website. What I am currently doing is, I charge the customer $0.01…
0014
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Find credit card numbers and replace characters at set positions

I have a file that contains credit card numbers (16 characters), I want to find them and replace everything with "X" apart from the first 6 and last 4 numbers. sed -i 's/\([345]\{1\}[0-9]\{3\}\|6011\)\{1\}[ -]\?[0-9]\{4\}[…
Julian Garthwaite
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Is there any ASP.net C# based Open Source Payment gateway?

I am interested to know if there is any open source payment gateway based on ASP.net C# to process Visa, Amex, Discover, MasterCard payments. Thanks all
Saiful
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Node.js and MongoDB making payments and storing credit card data

I'm very new to NodeJS and I am making an application that will need to accept payments. For example, a user will have to enter their payment info, but the payment will not go through until a later event happens (may be days). So, I need to save…
unconditionalcoder
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Do any online payment providers allow payment to alipay accounts or Chinese bank accounts from outside of China?

Sorry if I'm asking in the wrong place... Do any online payment providers allow payment from outside of China (My company is in New Zealand) to either Alipay or Chinese bank accounts? We are a language platform and are looking to take payment from…
Dan S
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Secure DataVault for storing credit card details - PCI DSS

I have been reading a few articles which describe using a Datavault and tokenisation to reduce PCI DSS burden. My question is, are there any companies that offer to store data like credit card information securely in exchange for a token and do…
KSS
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Titanium appcelerator Payment method

Is there any module available that can accept credit card and send into paypal for Titanium Appcelerator.I have tried many modules but they dont meet my requirements. Any help would be very helpful. Requirements are I am building a titanium…
Ali Akram
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PCI Compliance regex detect pattern with spaces

I have to generate a regular expression to detect patterns of text where credit card numbers are involved, I have a regular expression but fails when the text is altered with simple spaces between the text for example (not valid credit card…
ravasquezgt
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API/Service to retrieve Country of Issue for credit cards

can you point me to an API or online service that can return the country of issue (i.e. where the credit card has been issued) starting from the credit card number? I am not looking for a "free" solution, this will be a corporate app so it's ok if…
p.marino
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