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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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I need advice on how to best handle an e-commerce situation

I recently moved to Brazil and started a small subscription based service company. The payment gateway market is under-developed in Brazil, and implementing a local solution is too expensive for me. My requirements are a payment gateway that will…
Mohamad
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Issue with Square API on WooCommerce/Wordpress site

I have a Word Press/Woo Commerce site that customers have the ability to pay for items with a credit card using the Square Plug In. (valleyfirewoodak.com) The credit card feature was implemented around August 2017 and worked fine. Mid February…
Nathan
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search for active subscription for a customer in Braintree payments

In my website, I am using Braintree payment gateway for both card payments and PayPal transactions with auto renewal subscriptions. i am creating the customer and storing the card in Braintree vault for auto renewal.. also using the same customer id…
Srikanth
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payment card industry details

I have a site with CC processing. Do i need any standards followed? Whats with payment card industry? Is that checks our site CC processing standards? Thanks in Advance.
Bala
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PayPal IPN with credit card

Now I have a PayPal "Buy Now" button on the site and everything works fine. By clicking on this button, the buyer enters his PayPal account and pays for the purchase, as a result, after an IPN check, he receives a letter with a link to download the…
zvon
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What sort of data do credit card readers output?

What sort of data do credit card readers output? I know that many have drivers that automatically translate data into something useful, but what sort of raw data is there? I'm referring to card readers like the free ones given out by Square that…
Nick Anderegg
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Multiple Card payments - what should I put on the recipt?

Our POS software features a multi-credit card payment facility, meaning you can have more than one credit card transaction per purchase. This is not the same as the MasterCard partial authorization facility, but would result in a similar situation.…
user566095
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cakephp 3 validate credit card number not working

if I use this, it works well $validator->creditCard( 'cc_number', 'all', 'Invalid credit card number', function ($context) { if($context['data']['payment_method_id'] == 1) return true; } ); but when i change…
cakephp_dev1
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Paypal returns "The merchant does not accept payments of this type"

I integrated Paypal into my mobile APP and I use the REST API Calls. If I pay the ordeers using paypal account, It works succesfully, but if I use Direct Credit Card Payment (when the user doesn't have the paypal account), Paypal System return an…
Luca Santaniello
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Error - "The merchant does not accept payments of this type" in Paypal

I have an US Paypal account. I have integrated Paypal iOS SDK. Payment through Card is working fine in Sandbox mode but when I go live with live client ID it is showing error i.e. "The merchant does not accept payments of this type". Any help would…
M Swapnil
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Event RSVP payment supporting credit card refunds and pre-auths?

Our implementation language is PHP (using the CodeIgniter library). My requirements are this: Users need to be able to RSVP to events, at which point we put a pre-auth on their card. 24 hours before the event, we take the payment from their card.…
ubermensch
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Credit Card separated by comman - Regex - Javascript

I've textfield which is accepting credit card numbers separated by comma(,) Current Regex I'm using is : /(\d{16})(?:,|$)/g This regex allows : 1. 1234567891234567,1234567891234561,1234567891234564 2. 1234567891234567,1234567891234561,123456 (as…
Enigma
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Using Recursion to calculate minimum monthly credit card payment

I've written a solution for an EdX course homework problem using iteration. The code takes a credit card balance and annual interest rate to calculate the minimum monthly payment required to pay off the balance (plus any interest) in 12 months. Here…
Jonathan Ramirez
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How to identify string by its first numerical value

I'm working on a Credit Card Validator program, but I would also like to implement code that identifies the type of credit card entered by its first numerical value. How do I identify string by its first numerical value? import…
Gabriel Jean-Louis
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Can you process a credit card on a mobile website

All, This might seem like a silly question, but let's say I develop a mobile website. For instance, a website for a pizza parlor which can be viewed on a mobile phone. Can I process credit cards like you do on a "normal" website. In other words, can…
rot
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