Integration Guide

HTML Variables for PayPal Payments Standard
HTML Variables for the Instant Update API
A
442 June 2012 PayPal Payments Standard Integration Guide
Instant Update Variables for Dimensions of Individual Items
Shipping charges are calculated sometimes by using the dimensions of individual items in the
shopping cart. Include the following optional dimensional variables below in the Cart Upload
command to provide the information to your callback server.
HTML Variables to Set Up an Instant Update Payment for Dimension-Based Shipping Charges
fallback_shippi
ng_option_is_de
fault_
x
Required Indicates that shipping option
x is the default and should be
selected in the dropdown menu as a fallback, if the response
times out.
Only one shipping option can be the default for buyers.
Check that you set 1 instance only of
fallback_shipping_option_is_default_x to the
value 1.
Allowable values are:
 1 – shipping option x is the default shipping option
 0 – shipping option x is not the default shipping option
Allowable values for
x are 0-9.
1
fallback_insura
nce_option_offe
red
Optional Indicates that insurance is offered. PayPal ignores this
HTML variable if fallback_insurance_amount is
omitted or the value is 0 or less.
Allowable values are:
 1 – insurance is offered
 0 – insurance is not offered
1
fallback_insura
nce_amount
Optional Insurance amount to use as a fallback, if the callback
response times out. Include the
fallback_insurance_option_offered HTML
variable if you specify an insurance amount. The fallback
insurance amount applies to all shipping options that you
specify.
Name
Required
or
Optional Description
Character
Length
height_
x Optional Height of item x in the shopping cart.
Allowable values are positive integers.
height_unit Optional Unit of measure for the values specified by the height_x
values.
Allowable values are any values that you choose to provide.
PayPal passes the value to your callback server in callback
requests.
Name
Required
or
Optional Description
Character
Length