Stack Overflow
Stack Overflow

Questions tagged [payment-processing]

A process and service that automates payment transactions between the shopper and merchant. Classically refers to credit card transactions, but nowadays the term describes also internet payment methods like Paypal.

It is usually a third-party service that is actually a system of computer processes that process, verify, and accept or decline credit card transactions on behalf of the merchant through secure Internet connections.

See also: http://www.firstatlanticcommerce.com/resources/payment-processing-diagram.aspx Authorize.Net: How it Works (Diagram)

671 questions
5
votes
1 answer

Is there a valid reason to ignore null/invalid SSL certs (when dealing with payment processing)?

So I got this dll from UnionPay for an ecom project with China and was asked to review. After throwing this into ILSpy, I couldn't help but notice the following method: private static bool RemoteCertificateCallback(object sender, X509Certificate…
DaSleepingYeti
  • 51
  • 1
5
votes
1 answer

Accept credit card payment in iPhone app

How can I accept credit card payments from within my iPhone app? The Credit Card Terminal is a good solution but that would mean my app's users have to have their iPhone app installed as well! How can I do it all from within the app (using a…
lostInTransit
  • 70,519
  • 61
  • 198
  • 274
5
votes
2 answers

how to use braintree with rails and activemerchant

I have a simple rails website to which I need to add a payments gateway now. I see a railscast on integrating activemerchant with paypal but I wanted to use braintree instead. I am unable to find any tutorials that show how braintree can be…
yogashi
  • 273
  • 1
  • 5
  • 11
5
votes
2 answers

How can an Android app store and emulate credit card over NFC for contact-less payment processing?

NFC Host Card Emulation mode gets rid of the local Secure Element (SE), and facilitates payment by leveraging an SE stored on cloud, with the cooperation of several participating parties, e.g. merchant, service, providers, card issuers etc.…
sherlock
  • 2,397
  • 3
  • 27
  • 44
5
votes
3 answers

How can I set up a PayPal Live App ID for an iPhone project?

I am working on an application that allows user to buy products online. In this app I have integrated PayPal presently with sandbox APP Id. But the problem is when we are on simulator it works great but when we install app on the device it doesn't…
Dipti Y W
  • 474
  • 1
  • 8
  • 26
5
votes
1 answer

Maintaining and organizing purchases on multiple platforms

I have an application for various platforms. Let them be iOS, Android and Windows. In order to use a app, a monthly fee needs to be paid, but it just needs to be paid once in order to use all platforms. It is the same as with Spotify, so by paying…
thardes2
  • 1,162
  • 12
  • 28
5
votes
2 answers

Adding monthly subscription payment to chrome extension

I'm approaching completion of my chrome extension and need to explore monthly subscription options. What is the best approach to doing this?
Ty Briscoe
  • 59
  • 1
  • 2
5
votes
1 answer

Django: Integrating Avangate IPN

Does anyone have example code showing how to process the Avangate IPN (Instant Payment Notification) in a Django app? In particular, I'm interested in seeing examples of creating the hash signature for the response.
FunLovinCoder
  • 7,597
  • 11
  • 46
  • 57
5
votes
3 answers

Google Play can't sell apps

I have created game using Unity game engine. It works perfectly fine. I want to upload it to Google Play, I am new to Google Play Developer Console and to this whole Google Play thing actually. I managed to upload .apk and filled all the necessary…
Oleksandr Firsov
  • 1,428
  • 1
  • 21
  • 48
5
votes
2 answers

What causes Skrill error LOCK_LEVEL_9 when sending money?

I am trying to send money (payout) from my business account to another Skrill account using API as documented, using a request like the…
anu
  • 458
  • 2
  • 13
  • 36
5
votes
1 answer

how paypal, authorize.net and many other payment gateway service get access to visa card processing regardless of bank?

We know there are so many payment gateway service providers namely paypal, moneybrookers, authorize.net and many national and international payment gateway providers. Now, my question is what are the steps to develop our own payment gateway service…
padam gurung
  • 81
  • 1
  • 6
5
votes
3 answers

Payment Gateway integration in Opencart

I want to integrate CitrusPay (An indian payment gateway) in my opencart application. I have received a PHP integration kit but don't know where to start in opencart. Please let me know how to add Citruspay as a payment method.
user1534520
  • 51
  • 1
  • 2
5
votes
2 answers

PayPal subscriptions PDT / IPN - PLEASE

Am having a lot of trouble getting my head around this paypal payment stuff... How can i confirm that the user has successfully signed up for my subscription? I know 0 about IPN but for example : If a user signs up to my website with example@e.com…
Jason
  • 560
  • 3
  • 10
  • 25
4
votes
1 answer

How Do I Make a SagePay BuyNow Button?

With PayPal, I can create a BuyNow button pretty easily, containing my merchant info, price, tax, shipping, etc. Is this possible in SagePay?
Volomike
  • 23,743
  • 21
  • 113
  • 209
4
votes
1 answer

Android : Payment Processing

I've referred lot of things for payment processing system to android app. It proviedes Paypal's SDK as best to do. But, i've little confusion in there for below image - What's the difference between these two - Mobile Express Checkout Library &…
Galaxy S2
  • 438
  • 1
  • 4
  • 10
1 2
3
…
44 45