Integration Guide

HTML Variables for Website Payments Standard
HTML Variables for Payment Transactions
A
352 September 2008 Website Payments Standard Integration Guide
custom Optional Passthrough variable never presented to the payer.
Default – No variable is passed back to you.
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handling Optional Handling charges. This 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 Passthrough variable you can use to identify your invoice
number for this purchase.
Default – No variable is passed back to you.
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shipping Optional The cost of shipping the entire order contained in third-party
shopping carts.
This use of the shipping variable is valid only for the Cart
Upload command.
Default – If profile-based shipping rates are configured, buyers
are charged an amount according to the shipping methods they
choose.
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 transaction. This value overrides the weight values of
individual items.
weight_unit Optional The unit of measure if weight_cart is specified. Allowable
values:
z lbs
z kgs
The default value is lbs.
T
ABLE A.4 HTML Variables for Payment Transactions
Name
Required
or
Optional Description
Character
Length