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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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Preventing the use of Credit Card Gift Cards?

I've got an eCommerce system that accepts Visa, Mastercard, Discover, and Amex for recurring billing. An issue we've run into is that in some instances, people have used pre-loaded gift cards rather than real credit cards, and once the balance runs…
Nick
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Payment Card Industry PCI Compliance for Azure PCI DSS AppServices

This is probably not the correct place to put this but, its a start. We have a payment processor that has an API we want to integrate with in a couple of our applications. They are PCI certified and in order for us to use their API we must be…
chdev77
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Prevent tampering of JavaScript values

I'm implementing a MasterCard payment gateway to a website. In the official guide, JavaScript is used to pass the amount to be charged, and to which merchant the money goes to. It looks like a user can potentially change any of the values and have…
nfree25
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Using Royal Mail PAF database or similar to reduce Sagepay code 2001 (Authorisation was Rejected by the vendor rule-base) errors

We've been getting too many errors on our shop with the Sagepay error 2001 (Authorisation was Rejected by the vendor rule-base), failing when the address given by the user doesn't 100% match the address held by the bank. I think the issues has…
Mark Morton
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Magento Credit card number mismatch with credit card type exception

I am using stripe credit card payment method for website on my magento store and developing a mobile application. I am developing the api's using native magento api. Problem occurred on create order api, everything till adding payment for stripe…
piyush
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When I run the code for payment with creditcard I got the given below error?

The Error is Fatal error: Uncaught Stripe_ApiConnectionError: Could not connect to Stripe (https://api.stripe.com). Please check your internet connection and try again. If this problem persists, you let us know at support@stripe.com. (Network…
Yashasvi Goel
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Amex & CC Formatting Javascript - Lets settle this once and for all

I am trying to format credit cards as users type them into the field. I've read every topic on the subject here on stack overflow, looked at tons of sites, lots of libraries and the code behind them. I want to create a simple function that will…
Nicholas Koskowski
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How to use MagTek card reader device's sdk for android?

I am using magtek card reader audio uDynamo device and i am integrating sdk with my android application. But when i am trying to open device through openDevice() method. Application unfortunately stopped. Why its doing like this ? This is what i am…
Karan
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What is the relationship between the EMV ODA, CA and issuer certificate during the transaction?

What is the relationship between the EMV ODA, CA and issuer certificate during the transaction?
Salah Dahleh
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PayPal REST API Get Authorization Code returned from credit card processor

There is a code returned by the credit card processor when the transaction is approved, usually 5-6 digits. I'm trying to retrieve this code with REST API in their sandbox. If you are using PayPal Payflow you can see this on the transaction result…
TechnoCore
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simulate card swipe browser extension or a javascript

Is there a way to simulate credit card swipe in a web page? using a browser extension or a JavaScript? I have a web page with a payment form. We test the page with swipe device and test credit cards, now not every developer has the device and we are…
Selvakumar Arumugam
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Is masked pan unique?

I can retrieve my customer's credit card number and pan hash from a payment solution as follows: 492500******1234 The payment solution I use can generate different pan hashes each time for the same credit card, so this causes multiple records for…
Mehmed
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Elavon.com credit card integration in Codeigniter

I'm working on a project that needs to be have the credit card payment integration, we want to use elavon.com API. One of the requirement states that we need to record the credit card information during order, manually approve/ reject each order &…
PehamRaza
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Does Paypal support level 2 credit card processing

asking this after searching without specific topic/answer. I am gonna implement paypal express checkout to deal with customers paying by credit card. They request the support of level 2 credit card processing to upload such as customer id. Failing…
LarryX
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Keeping credit card information safe with Parse or Stripe

I am working on a app that I need to store credit card information. Would it be safe to use the Parse ACL like this? PFObject *privateNote = [PFObject objectWithClassName:@"_User"]; privateNote[@"creditCard"] = @1234; privateNote.ACL = [PFACL…
Connors Apps
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