credit-card

c# Visa 3d Secure Implementation

can someone give a sample implementation of 3d secure for an ecommerce application? ...

Credit card expiration dates in which timezone?

We know from Credit card expiration dates - Inclusive or exclusive? that credit card expires on the last day. However, in which time zone? ...

Payment Gateways for Mid-Sized Business?

My company is a bit unhappy with the support we've been getting from Cybersource and we're about to embark on a billing re-write so we're taking the opportunity to look at other gateways. Anyone have any positive or negative experiences they'd like to share? I'd rather not hear about small website gateways like paypal, we run tens of t...

Credit card purchase of physical goods via an iPhone application

I'd like to add a means for users do make payments for physical goods using credit cards via an iPhone application. Are there any guidelines regarding such functionality in iPhone apps? I'm mostly thinking of Apple's opinions on this. Clearly, such data would have to be submitted securely but must this be done within Safari? If not, the...

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 change the amount charged. If the user abandons this page they should not be charged OR author...

Best books for web site security best practice?

I'm looking for a good overview of security best practices for web sites. In particular handling storing customer payment details for credit/debit cards. What are the best books/blogs? Specifically I'm looking to store payment details for users' so that when they make their next purchase they don't need to enter them again. ...

PayPal Pro (Direct) Credit Cart expiration date verification in Magento

Hi all. i have an installation of Magento shop on my development server and as a payment gateway we are using PayPal Pro (PayPal Direct) which is able to accept users' credit cards. it was fine in sandbox mode, but after switching into 'live' mode and testing with $0.01 transactions, it came out that PayPal seem to accept CCs w/o check...

Is 42 a valid credit card number? jQuery validator thinks it is

We all know that 42 is the answer to everything, but it's news to me that it is a valid credit card number. Try entering '42' or '42176' into this jQuery Validation testing page and click OK. What's going on? I thought this was supposed to be the de-facto validation library. Even Microsoft is using it now, but it thinks '42' and '42176...

Is there a GOOD reason many web sites won't accept credit cards with spaces and dashes in them?

Is there a technical/legal/financial/contractual/design reason for not accepting credit card numbers with spaces in them? So many web sites do not allow you to put spaces or dashes in a credit card number. I've always put this up to sloppy programming, but I've used merchant APIs before. If you can figure out how to process a credit c...

String operation in ruby for credit card number

Working on a rails project where there's an order confirmation string with a credit card number with all but the last four digits starred out. What's the proper way to do a string substitution? What's the operation to get this credit_card_number = "1111111111111111" to this? credit_card_number = "************1111" Thanks, Kenji ...

How can I accept credit card transaction in my Web Apps?

I am writing a e-commercial site which allow user check out using the credit card, how can I accept customers' credit card to do transaction?? ...

Credit card payment gateway for SaaS (pay per use)

Hi, We would like: 1. Get customer payment details (credit card) once upon registration 2. Store it in a 3rd party site and just get a token (no PCI compliance issues) 3. Charge monthly per use (the amount will be changed each month). 4. We prefer not to email invoices each month for customer manual payment but just debit the credit card...

What is a good tutorial or book to learn credit card processing using PHP?

I am looking for a good tutorial or book that explains how to process a customer's credit card from a form on your site. I read something about using curl, but it wasn't a complete tutorial. I am looking for a lesson that will take me from step 1 to actually charging a customer's credit card. What is a good tutorial or book to learn cre...

Credit Card processing without Google Checkout / Amazon / Paypal

Hi all, If I would like to process payments directly without going through Google / Amazon / Paypal, how would I go about that? Is there a Java API or some reference implementation that shows how to do such a thing or is it really that large and complicated that I need to choose a provider such as Google or Amazon? I currently use Goo...

Transfer amount to credit card from paypal.

I have stuck into the problem of related to transfer amount back to credit card from paypal when user cancel his/her transaction. I don't want to use paypal refund feature in our application. My client requires to send back amount at the same time when user cancel his/her transaction. Can anyone guide me to complete this feature or is t...

Help Deciphering Payment Gateway Code

I had to take over a project where someone quit and need help understanding about how a type of gateway might work. It would be easy if I knew what gateway was used, but unfortunately we are unaware of what the plan was. Can someone help me figure out how this actually communicates with a gateway? It seems to me like the code is sen...

Credit Card validation: can Card Name contain non-ASCII characters?

Can the Card Name (i.e. the cardholder name, not the card type) contain non-ASCII characters? Example: "JOSÉ GONZÁLEZ". ...

linux virtual application: is this is possible?

I need some guidance from all the Linux experts out there. I would like to do the following. Please tell me if this possible. If it's not, please tell me why. I would like the user to interact with a touchscreen LCD connected to a Linux thin client PC. I want to use Linux Terminal Server to run a virtual linux application (with user int...

rails state_machine pattern for credit card processing

I'm using the rails state_machine plugin (looks better than aasm) - it looks great - however, I've implemented it for a credit card processing system I wrote and it looks a bit strange... the code looks very un-DRY... I wonder if anyone can cast a quick eye over it and let me know what they think. In particular, to me the bits that does...

Credit Cards: Can AVS be checked before Authorization?

Hi Everyone, This is a question about credit card processing. We are using AVS and have found that each transaction that fails because of AVS causes a hold for the total amount to be placed on the customer's card. Multiple failures mean multiple holds. This happens because AVS is checked only after the AUTH is done. So if AVS fail...