Integration Guide

HTML Variables for PayPal Payments Standard
HTML Variables for Payment Transactions
A
426 June 2012 PayPal Payments Standard Integration Guide
HTML Variables for Payment Transactions
HTML variables for payment transactions provide information about entire payments,
regardless of the individual items involved with the payment. You can use these variables with
Add to Cart buttons and the Cart Upload command.
HTML Variables for Payment Transactions
Name
Required
or
Optional Description
Character
Length
address_
override
Optional 1 – The address specified with automatic fill-in variables
overrides the PayPal member’s stored address. Buyers see
the addresses that you pass in, but they cannot edit them.
PayPal does not show addresses if they are invalid or
omitted.
For more information, see the “HTML Variables for Filling
Out PayPal Checkout Pages Automatically” on page 439.
1
currency_code Optional The currency of the payment. The default is USD.
For allowable values, see “Currencies Supported by PayPal”
on page 459.
3
custom Optional Pass-through variable for your own tracking purposes, which
buyers do not see.
Default – No variable is passed back to you.
256
handling Optional Handling charges. This variable is not quantity-specific. The
same handling cost applies, regardless of the number of
items on the order.
Default – No handling charges are included.
invoice Optional Pass-through variable you can use to identify your invoice
number for this purchase.
Default – No variable is passed back to you.
127
tax_cart Optional Cart-wide tax, overriding any individual item tax_
x value
weight_cart Optional If profile-based shipping rates are configured with a basis of
weight, PayPal uses this value to calculate the shipping
charges for the payment. This value overrides the weight
values of individual items.
Allowable values are decimals numbers, with 2 significant
digits to the right of the decimal point.
weight_unit Optional The unit of measure if weight_cart is specified.
Allowable values are:
 lbs
 kgs
The default value is lbs.