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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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Luhn algorithm Ruby not recognising AMEX

So I am Having some problems when applying Luhn algorithm Here are the general rules: http://www.codeproject.com/Tips/515367/Validate-credit-card-number-with-Mod-algorithm and here is my code def luhn(credit_card) result = 0 nums =…
Adrian Grzywaczewski
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How to correctly construct Get Processing Option command message

EMV Book_3 says: CLA: 80 INS: A8 P1 : 00 P2 : 00 Lc : var Data: Processing Options Data Object List (PDOL) related data Le: 00 And my APDU Command looks like: "80 A8 00 00 0C PDOL 00", where PDOL = "9F 66 04 9F 02 06 9F 37 04 5F 2A…
Ahmed Ahmedov
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Does a server that serves a form requesting a user's credit card information need to be PCI compliant

I'm building a new web application that serves a form requesting the user's card information. Submitting this form will post the form data to a different, fully PCI-DSS compliant application. Does the application that serves the form to users need…
Herrad
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Should I collect and store the type of credit card (e.g. Visa) or determine it via the number?

I am writing code for entering credit cards into a database. I am aware there are regular expressions that can be used to determine type of card (Visa, MasterCard, etc). For instance, Visa's regex is /^4[0-9]{12}(?:[0-9]{3})?$/. I only deal with…
bistromath
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Stripe - Invoice Item included on recurring payment and charge failed

I have a recurring subscription service using Stripe. An additional Invoice Item is added to each invoice. When a new user wants to subscribe to my service, the steps are: create user (if not already existing) create invoice item (will be added to…
PJ Bergeron
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Encrypting credit card details using AngularJS in Braintree

I am using Braintree for payment gateway and I have across an issue. I am sending credit card information with other user details. For security purposes Credit card information has to be encrypted and it is being done by Braintree by including…
Abhishek
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I need to generate credit card surrogates (tokens) that are format preserving

For an eCommerce application I need to take a credit card and use the real card for passing through to a payment gateway but I need to store, and return to the transaction initiator, a surrogate that is format preserving. Specifically, this…
Jeff Maier
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Authorize.net - Passing Variable in Simple Checkout

I'm using Authorize.net's simple checkout, and need a way to pass simple text onto the purchase. So it's just a simple button, and we want some way for a referrer to show up. With paypal we just appeneded it onto the item name. But I can't now…
Bryant
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How to delete saved credit card numbers of completed orders from Magento?

We are using saved cc for our website.We want to flush saved credit card information of completed orders.Can anyone help to accomplish this?
rohitnetgains
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4 answers

Implementing card payment via PhoneGap SSL card payments on iOS and Android

I intend to develop a mobile app for both Android and iOS using PhoneGap and this app will including a shopping cart to sell physical goods like shoes and clothes. Of course at the moment of payment, sensitive card data (card number, CVV, etc..)…
prince
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Recommend a payment gateway that allows recurring/incremental payments?

Can someone recommend a payment gateway that allows incremental (irregularly recurring) charges to the same card? I've looked at PayPal - they offer a recurring payment systen, but you can only charge payments on a schedule (the same amount at…
mindplay.dk
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Venmo integration issue

I want to integrate my app with vemmo payment gateway. I am following steps from this tutorial. After having done this it display login page for venmo as I haven't installed venmo app in my device. After this I logged in then it displays me this…
keen
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How to integrate ccavenue payment gateway with android?

I want to integrate the ccavenue payment gateway into my rails app give some guide line for how to implement the gateway. I dont want to use paypal.
Amit_android
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Website In Need of Separate Merchant Account?

I have a question about developing a website efficiently and legally. I have been taking orders through the phone for the past few years and want to now take orders online through my website. I have heard that it is not ECI compliant to use the…
Stephen Watkins
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Processing credit card payments in Rails

As you can see, I have one really sensitive question :) I am building a site where users will have an option to subscribe to some content. I am using Rails 4. Users will pay for a subscription with credit card. At the same time, admin would be able…
user3304086
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