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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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4 answers

How should I post credit card info from my iPhone app to a Windows server?

What is the most secure way to post credit card information from my iPhone application to a Windows server? My iOS app sells some goods, like dresses.
Sbarut
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3 answers

C: Credit Card Number checker/ Luhn's algorithm

Everything looks fine and seems to follow Luhn's algorithm, but when i enter my own credit card number or this sample number that should be valid: 4388576018410707 , it still comes back as invalid... Can anyone find the problem? #include…
user1145538
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2 answers

Is my desktop app in scope for PCI certification?

I have a payment processing client that runs exclusively on the desktop. The operator enters payment data and clicks a button and my app sends the data off to a payment gateway via a secure channel. My app never stores sensitive payment data,…
ATL_DEV
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2
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3 answers

Credit Card Validation using PHP

Possible Duplicate: What is the best way to validate a credit card in PHP? I am thinking of making an online shopping cart, using credit card validation. My question is, how is the entered credit card going to be validated? I am new to credit…
Grigor
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2
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2 answers

What is the best way to validate a credit card in codeigniter

hi i am using codeigniter . i want to validate my credit card details . i saw there are classes in php to validate credit card numbers . i saw a helper in codeigniter to validate credit cards http://codeigniter.com/wiki/Credit_Card_Helper /** *…
Kanishka Panamaldeniya
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2
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1 answer

Name Verification through Credit Card

Has anyone ever used Credit Cards for verifying the identity of an individual (the thinking being that if a person knows the a name and a credit card number that has been issued to that name, it is probably the right person). If so, what service…
floatingfrisbee
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2
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6 answers

Credit Card Duplicate Transactions

What's the best way to prevent a user from making duplicate credit card transactions? Be it by clicking the submit button too many times, or by navigating back from the receipt page and clicking the submit button again.
DCNYAM
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0 answers

Firebase hosting showing "not safe" site warning to my users

I'm building an e-commerce site and hosting it in Firebase. But at the payment page, when user is requested to fill the form with credit card information, Chrome shows up an alert saying my site "is not safe". Is it related to the shared SSL…
Eduardo Lima
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2
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1 answer

Purchases in Android

How are purchases of physical products handled in android? Are there any limitants and/or considerations? As I read in this article: http://developer.android.com/guide/market/billing/index.html Android developers are only considering digital…
Zivoc
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2
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1 answer

jQuery credit card input format

I want to use jQuery validation for credit card input fields. When I seach for it I saw most people made this happen with additional validation methods. I tried adding this to my code :
AsIndeed
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2
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3 answers

How to test the 'unpaid' and 'incomplete_expired' status in subscriptions using stripe test cards?

I want to test the following scenarios which are included in the stripe subscription status documentation. Can anyone please suggest a test card in stripe to test it? Scenario 1 Incomplete_expired- The initial payment on the subscription failed and…
Harindra karunanayake
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2
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1 answer

Integrate 3rd party input props to Material UI's TextField

I'm using a library called react-payment-inputs to accept credit card numbers. The library provides input getter props that can be used to handle credit card input. I'm able to use the getter prop methods with a simple input like this:
pyron_orion
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What is the correct and secure scenario of repetitive async stripe payments?

This is the task: A User should add a card using an app to their account. After completing some service(taxi service) card should be automatically charged. So the question is: Who should store card credentials? (backend or App) In what form card…
Akbar Pulatov
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2 answers

Is there a way to detect the type of card i.e Debit or Credit

I need to detect the card type: Debit or Credit when the customer is on website's checkout page. I am using the library i.e https://github.com/braintree/credit-card-type already to determine the card brand i.e Visa,Amex,Mastercard etc. But these…
jaison619
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0 answers

Bug using Japanese IME in react-input-mask

When I input full-width characters, the existing input are pushing to the right hand side. See the bug here: https://i.stack.imgur.com/sEkms.jpg How can I prevent this to happen since it's working when using normal numeric characters. …
Ayaka
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