User Guide

Button Manager NVP API April 2012 71
HTML Variables for PayPal Payments Standard
HTML Variables for the Instant Update API
A
HTML Variables for the Instant Update API
HTML variables for the Instant Update API set up the Cart Upload command for the
Instant Update API callback. Establish your own Instant Update callback server before you
use these variables.
Instant Update Variables to Set Up a Payment for the Instant Update API: Some Instant
Update variables set up the Cart Upload to use your callback server. Include the following
required variables in the Cart Upload command to have PayPal send Instant Update requests to
your callback server. Include the following optional variables when appropriate.
lc Optional Sets the language for the billing information/log-in page
only. The default is US.
2
charset Optional Sets the character set and character encoding for the billing
information/log-in page on the PayPal website. In addition,
this variable sets the same values for information that you
send to PayPal in your HTML button code. The default is
based on the language encoding settings in your Account
Profile.
night_ phone_a Optional The area code for U.S. phone numbers, or the country code
for phone numbers outside the U.S. PayPal fills in the
buyer’s home phone number automatically.
See
description.
night_ phone_b Optional The three-digit prefix for U.S. phone numbers, or the entire
phone number for phone numbers outside the U.S.,
excluding country code. PayPal fills in the buyer’s home
phone number automatically.
See
description.
night_ phone_c Optional The four-digit phone number for U.S. phone numbers.
PayPal fills in the buyer’s home phone number
automatically.
See
description.
state Optional State code 2
zip Optional Postal code 32
Name
Required
or
Optional Description
Character
Length