Zeeshan Akhter

Image representing PayPal as depicted in Crunc...

Basic Steps:
NVP API Method and Field Reference: http://www.paypalobjects.com/en_US/ebook/PP_NVPAPI_DeveloperGuide/Appx_fieldreference.html#2830894

Here you can generate your desire paypal source code:

Process of payment using PayPal checkout :
1. First, we generate a unique token id from paypal for each transaction , then start the
payment by passing the token to the paypal site:
2. Next, Send the merchant or seller account details with API signature to the paypal site.
So buyer can transfer money to seller account.


public String expressCheckout(){
HttpSession session=request.getSession();
System.out.println(“return url: “+PaymentConstants.returnURL);
return “success”;

public HashMap CallShortcutExpressCheckout( String paymentAmount, String currencyCodeType, String paymentType, String returnURL, String cancelURL,HttpSession session)
session.setAttribute(“paymentType”, paymentType);
session.setAttribute(“currencyCodeType”, currencyCodeType);

Construct the parameter string that describes the PayPal payment
the varialbes were set in the web form, and the resulting string
is stored in $nvpstr

String nvpstr = “&Amt=” + paymentAmount +
“&PAYMENTACTION=” +paymentType+

View original post 1,353 more words


About Mallik

I born in Good cultural place called India. My family is traditional family. We fallow all Indian traditions.

Posted on January 28, 2013, in About All. Bookmark the permalink. Leave a comment.

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