payment-processing

Avoid race conditions in eCommerce scenarios

Hello, My client has a ecommerce website that sells electronics, and there has been situations where a product is sold more times than they have in their inventory. This is because if two users buy a product at the same time when there is only one product left in stock, one session does not finish registering the product as sold out bef...

Best US based credit card payments solution with PHP APIs

Possible Duplicate: Credit card payment gateway in PHP? I am looking for a solid credit card solution and we are not interested in PayPal. I am currently unsure about the volume of transactions. Someone suggested merchantone but after looking at some reviews i have my apprehensions. Idealling something around a ~2% transaction...

What should a merchant site worry about when implementing a payment gateway?

I have to implement a payment gateway for a website I am maintaining, and I haven't done anything like this before. Previously to implement payment processing, the site would build a transaction and send it directly to the payment processor and await a result. Since the site handled the gathering of credit card information, building of t...

Is it possible to know when a credit card transaction hits the bank account?

I'm building a payment dispursement system; There are plenty of API's from different providers to do ACH transactions to transfer money from one bank account to another, and payment gateways to charge a persons card and the money lands in your bank account eventually. Payment Gateway -> Merchant Account -> Merchant Designated Bank Accou...

What POS terminals support customer self-checkout?

I'm developing a self-checkout kiosk for quick service restaurants. The customer will generate their order on the kiosk and I'm looking for a POS terminal to use to actually process the customer's payment (via credit card or debit card). Which POS terminals support sending it the order price via an interface, having the terminal complete...

Payment Merchants with easy IPN

Hello, I am looking to integrate to my website many payment merchants. Now I have integrated PayPal and CCBill because they have easy to use IPN. I want to send to the merchant data like: amount,1custom variable and the merchant should send to my IPN url the amount and the custom variable. It would be nice if you can give me some names...

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. ...

Paypal checkout and mass payment integration with cakephp

I'm dealing with a problem when starting with a project evolving cakephp and paypal. I never used paypal in my life and I have a lot of questions about it. I want to know if any of you have ever seen a really starter tutorial to paypal development and a good cakephp plugin to perform this. The project consists of a payment system by cre...

RBS WorldPay Integration

Ok I'm stuck, I've looked at some other questions on here but no help, I've searched online, I've logged into my test account but I can't find any documentation anywhere. Does anyone have links to the WorldPay documentation, specifically when a 'Payment Response' is made, what format is it in? ...

Advice on Canadian payment gateway for VirtueMart (Joomla!)?

I'm developing a shopping cart system for a client using Joomla! 1.5 and VirtueMart and am in the market for a payment gateway provider. That said, I have a couple of unique requests: Not PayPal -- The client sells tobacco accessories, which is against PayPal ToS. Allows the sale of tobacco accessories/products -- my client primarily s...

Sending money from [SomePaymentProcesingCompany] to bank account

The Imaginary Scenario: The Affiliates earn money on my website by selling items/services/widgets to their clients. You can think of it as a simple affiliate program. This money is stored in a single account until the Affiliate requests their money. The Affiliates don't want to wait for a check to come in the mail; they want to log-on ...

What is the cheapest payment processing system for Magento?

What is the cheapest payment processing system for Magento? Better if is is the easiest to implement as well ...

osCommerce Authorize.net confirm payment time out

hi to all , i am using oscommerce for my client. i have integrate authorize.net payment module for payment using credit card. when i am checkout and confirm payment after enter credit card detail.. page is time out and give the following error. An error occurred while trying to report this transaction to the merchant. An e-mail has ...