Express Checkout for Payflow Pro - PayPal

TABLE A.23 Reference Transaction Request Parameters
Parameter Description
Express Checkout Parameter Reference A
Reference Transaction Parameter Descriptions
L_COSTn (Optional) Line-item unit price. The line-item unit price can be a positive
or a negative value but not 0. You may provide a negative value to reflect
a discount on an order, for example.
Limitations: Nine numeric characers plus decimal (.) character. No
currency symbol. Specify the exact amount to the cent using a decimal
point—use 34.00, not 34. Do not include comma separators—use 1199.95
not 1,199.95.
L_TAXAMTn (Optional) Line-item tax amount.
Limitations: Specify the exact amount to the cent using a decimal point—
use 34.00, not 34. Do not include comma separators—use 1199.95 not
1,199.95. No currency symbol.
Limitations: Six-character currency.
L_QTYn (Optional) Line-item unit quantity.
Limitations: 10-character integer.
AMT (Required) Amount (US Dollars) U.S. based currency.
AMT=ITEMAMT + TAXAMT + FREIGHTAMT + HANDLINGAMT +
INSURANCEAMT - DISCOUNT
N O T E : You must set CURRENCY to one of the three-character currency
codes for any of the supported PayPal currencies. See CURRENCY
in this table for details.
Limitations: Must not exceed $10,000 USD in any currency. Nine
numeric characers plus decimal (.) character. No currency symbol.
Specify the exact amount to the cent using a decimal point—use 34.00,
not 34. Do not include comma separators—use 1199.95 not 1,199.95.
Nine numeric characters plus decimal.
ITEMAMT (Required if L_COSTn is specified) Sum of cost of all items in this order.
ITEMAMT = L_QTY0*LCOST0 +
L_QTY1*LCOST1...L_QTYn*L_COSTn
Limitations: Nine numeric characers plus decimal (.) character. No
currency symbol. Specify the exact amount to the cent using a decimal
point—use 34.00, not 34. Do not include comma separators—use 1199.95
not 1,199.95.
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