PayPal Website Payments Standard - 2009 - Button Manager API (NVP) Guida Utente Scaricare il pdf (Pagina 44)

HTML Variables for Website Payments Standard

HTML Variables for Individual Items

44 June, 2009 Button Manager NVP API

item_name See

description.

Description of item. If omitted, payers enter their own name

at the time of payment.

z Optional for Buy Now, Donate, Subscribe and Add to Cart

buttons

z Not used with Buy Gift Certificate buttons

127

item_number Optional Pass-through variable for you to track product or service

purchased or the contribution made. The value you specify

passed back to you upon payment completion.

127

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

transaction. PayPal appends a sequence number to uniquely

identify the item in the PayPal Shopping Cart (e.g., quantity1,

quantity2).

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 use of the 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

omitted and profile-based shipping rates are configured,

buyers are charged an amount according to the shipping

methods they choose.

Valid only for Buy Now and Add to Cart buttons.

tax Optional Transaction-based tax override variable. Set this to a flat tax

amount to apply to the transaction regardless of the buyer’s

location. This value overrides any tax settings set in your

account profile. Valid only for Buy Now and Add to Cart

buttons. Default – Profile tax settings, if any, apply.

tax_rate Optional Transaction-based tax override variable. Set this to a

percentage that will be applied to amount multiplied the

quantity selected during checkout. This value overrides any

tax settings set in your account profile. Allowable values are

numbers 0.001 through 100. Valid only for Buy Now and

Add to Cart buttons. Default – Profile tax settings, if any,

apply.

Name

Required

Optional Description

Character

Length

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 59 60

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PayPal Website Payments Standard - 2009 - Button Manager API (NVP) Guida Utente Pagina 44

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