Integration Guide

Table Of Contents
HTML Variables for Website Payments Standard
HTML Variables for Shopping Carts
A
354 September 2008 Website Payments Standard Integration Guide
paymentaction Optional Indicates whether the transaction is payment on a final sale or an
authorization for a final sale, to be captured later. Allowable
values:
z sale
z authorization
z order
The default value is sale. Set the value to authorization to
place a hold on the PayPal account for the authorized amount.
Set the value to order to authorize the transaction without
placing a hold on the PayPal account.
For more information, see the Website Payments Pro Integration
Guide.
I MPORTANT: If you set paymentaction to order, you must
use the Authorization & Capture API to
authorize and capture the transaction payments.
The merchant tools on the PayPal websitel let
you capture payments only for authorizations,
not for orders.
shopping_url Optional The URL of the page on the merchant website that buyers return
to when they click the Continue Shopping button on the PayPal
Shopping Cart page.
For more information, see
“Sample HTML Code for Add to
Cart Buttons that Continue Shopping on the Current
Merchant Webpage” on page 236
.
upload See
description
Upload the contents of a third party shopping cart or a custom
shopping cart.
This variable must be set as follows:
upload="1"
The alternatives are the add="1" variable and the
display="1" variable, which are used with the PayPal
Shopping Cart.
1
T
ABLE A.6 HTML Variables for Individual Items in Third Party Shopping Carts
Name
Required
or
Optional Description
Character
Length
amount_
x Required Price of item #x. This is only required if you specify
upload="1".
handling_
x Optional The cost of handling for item #x.
T
ABLE A.5 HTML Variables for Shopping Carts
Name
Required
or
Optional Description
Character
Length