User Guide

HTML Variables for PayPal Payments Standard
HTML Variables for Individual Items
A
54 April 2012 Button Manager NVP API
discount_num Optional Number of additional quantities of the item to which the
discount applies.
Applicable when you use discount_amount2 or
discount_rate2. Use this variable to specify an upper limit on
the number of discounted items.
Valid only for Buy Now and Add to Cart buttons.
item_name See
description.
Description of item. If this variable is omitted, buyers enter
their own name during checkout.
 Optional for Buy Now, Donate, Subscribe, Automatic
Billing, Installment Plan, and Add to Cart buttons
 Not used with Buy Gift Certificate buttons
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item_number See
description.
Pass-through variable for you to track product or service
purchased or the contribution made. The value you specify is
passed back to you upon payment completion. This variable
is required if you want PayPal to track inventory or track
profit and loss for the item the button sells.
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quantity Optional Number of items. If profile-based shipping rates are
configured with a basis of quantity, the sum of quantity
values is used to calculate the shipping charges for the
payment. PayPal appends a sequence number to identify
uniquely the item in the PayPal Shopping Cart, for example,
quantity1, quantity2, and so on.
NOTE: The value for quantity must be a positive integer.
Null, zero, or negative numbers are not allowed.
shipping Optional The cost of shipping this item. If you specify shipping and
shipping2 is not defined, this flat amount is charged
regardless of the quantity of items purchased.
This shipping variable is valid only for Buy Now and Add
to Cart buttons.
Default – If profile-based shipping rates are configured,
buyers are charged an amount according to the shipping
methods they choose.
shipping2 Optional The cost of shipping each additional unit of this item. If this
variable is omitted and profile-based shipping rates are
configured, buyers are charged an amount according to the
shipping methods they choose.
This shipping variable is valid only for Buy Now and Add
to Cart buttons.
Name
Required
or
Optional Description
Character
Length