PayPal IPN is the one of the payment module where IPN stands for “Instant Payment Notification”. Whenever a payment transaction take place an IPN sent to the oscommerce’s IPN file of osCommerce site. The IPN handles the bluffing and hacking of payment information. In this module customer makes payment on PayPal site and then returns back to webstore.

Contributions can be find here:
PayPal Express Checkout IPN
osCommerce PayPal IPN Module v1.0 For 2.2MS2
PayPal IPN for CCGV
PayPal IPN

The official support thread can be find here:

http://forums.oscommerce.com/topic/179917-official-paypal-ipn-support-thread

Flow of osCommerce Paypal IPN Module:
When an order placed, it is instantly stored in the osCommerce database with order status pending (This can be made through admin configuration).The IPN is posted to IPN file irrespective to customer returns back to web store or not. The IPN file checks for the fraudulence, if all is okay will update the order status to processing. This can be controlled through admin.

So this module takes care of the following issues:
1) Even customer did not return back to the site, the order will get populate in admin.
2) If someone one bluff with order amount paying lesser amount the order status will not get updated.

 
get a quote for osCommerce PayPal IPN
FAQ :
Que : What is PayPal IPN?
Ans : PayPal has a payment module called as “PayPal IPN”. Where IPN stands for Instant Payment Notification.
Instant Payment Notification (IPN) is PayPal’s message service that sends a notification when a transaction is affected.
Que : How To set osCommerce PayPal IPN?
Ans : Following are the steps for set on osCommerce PayPal IPN :

1. Log in to your Business or Premier PayPal account.
2. Click the Profile subtab.
3. Click the Instant Payment Notification Preferences link in the Selling
Preferences column.
4. Click Edit.
5. Click the checkbox and enter the URL at which you would like to receive your IPN Notifications.
6. Click Save.
Que : What type of account is needed for osCommerce PayPal PayPal IPN?
Ans : It requires Business or Premier PayPal account.
Que : What are the system requirements of osCommerce PayPal IPN?
Ans : To use this contribution, you need
• osCommerce 2.2 MS2
• PHP 4.0.2+
• cURL or a shared/dedicated SSL certificate.
• A Premier or Business account with PayPal.
Que : Where can we find the contribution for osCommerce PayPal IPN?
Ans : Following are the contribution can be find here:

PayPal Express Checkout IPN
osCommerce PayPal IPN Module v1.0 For 2.2MS2
PayPal IPN for CCGV
PayPal IPN

Que : Which contribution is recommended and why?
Ans : We recommend osCommerce PayPal IPN Module v1.0 for 2.2MS2 as this has Open SSL public/private key encryption capabilities to securely send the order information to PayPal during the checkout procedure.
Que : Where can we find the support thread?
Ans : The support thread for the PayPal IPN is:http://forums.oscommerce.com/topic/179917-official-paypal-ipn-support-thread.
Que : Will this module work for all countries?
Ans : No, PayPal IPN does not work for all countries.The supported countries can be found at https://www.paypal.com/worldwide/.
Que : Where we can find the reference to this Payment Gateway on PayPal?
Ans : https://cms.paypal.com/us/cgi-bin/?cmd=_render-content&content_ID=developer/e_howto_admin_IPNIntro
Substitute Products For “osCommerce PayPal IPN”

#
PayPal Express Checkout is prime solution for checkout which makes the whole checkout easier for the buyers and keep buyer on the web store after making purchase.
With Express Checkout customers complete transactions in few steps. The customer does not need to fill up the billing and shipping address as it auto fill securely from PayPal.

The contribution can be found here:

http://www.oscommerce.com/community/contributions,3647
http://www.oscommerce.com/community/contributions,4791
http://www.oscommerce.com/community/contributions,5657
http://www.oscommerce.com/community/contributions,5658

http://www.oscommerce.com/community/contributions,5687
http://www.oscommerce.com/community/contributions,6278
http://www.oscommerce.com/community/contributions,7333

Support thread is here:
http://forums.oscommerce.com/index.php?showtopic=179917

The main features are:
-Express Checkout Shortcut.
-Express Checkout Mark.
-Instant Payment Notification.
-Buttons Auto-translation (Languages EN, FR, DE, SP, IT, PL and JP) .

#
PayPal website payment standard is one of the PayPal’s secure and instant solutions to accept credit cards and PayPal payments online. To sell online with Website Payments Standard the store owner should have a PayPal Business account and has to choose a PayPal button for site. The customer experienced a smooth, secure and quick checkout with is button.

Features:

Sandbox server to perform test transactions.
Authorization and Sale transaction methods.
Encrypted Web Payments.
Instant Payment Notification.

The contribution can be find here: PayPal Website Payments Standard.

The support thread to this payment method can be find here: http://forums.oscommerce.com/topic/331996-how-to-setup-paypal-website-payments-standard

Key Benefits given by PayPal:
Millions of businesses make money using PayPal buttons.
Here are a few reasons why:

No credit application, no monthly fees:
No lengthy application, no set-up fees and you only start paying when you start selling.
Easy set-up — just choose your button:
You can set up a button in about 15 minutes with no advanced programming skills.

To see how it works click here

#
PayPal has a new payment module named “osCommerce PayPal Website Payments Pro” for all in one payment solution to accept debit and credit cards payments directly on your website without going through a gateway or setting up a merchant account.

“osCommerce PayPal Website Payments Pro” has two types of payment solutions:
* Direct Payment: Payment is done on the site.
* Express Checkout: Payment is done on PayPal site.

For more details go through the FAQ’s.

osCommerce PayPal Website Payments Pro Requirements:

· osCommerce 2.2MS2 or higher version.

· PHP 4.3.0+

· cURL

· An SSL certificate installed.

· You need a Paypal account.

· You must be approved for Website Payment Pro direct transactions.

· The API certificate that you can download from your PayPal account.

The osCommerce PayPal Website Payments Pro contribution can be found here:
http://www.osCommerce.com/community/contributions,3716

Support thread is here:

http://forums.oscommerce.com/index.php?showtopic=174981

#