PayPal Gateway - 2012 Guide de l'utilisateur télécharger pdf (Page 52)

Submitting Credit Card Transactions

Core Credit Card Parameters

52 31 July 2012 Gateway Developer Guide and Reference

AMT (Required) Amount (Default: U.S. based currency).

Limitations: Specify the exact amount to the cent using a decimal point. For example,

use 34.00 not 34. Do not include comma separators. For example, use 1199.95 not

1,199.95. Your processor or Internet Merchant Account provider may stipulate a

maximum amount.

10 numeric characters plus decimal

COMMENT1 (Optional) Merchant-defined value for reporting and auditing purposes.

Limitations: 128 alphanumeric characters

COMMENT2 (Optional) Merchant-defined value for reporting and auditing purposes.

Limitations: 128 alphanumeric characters

CVV2 (Optional) A code printed (not imprinted) on the back of a credit card. Used as partial

assurance that the card is in the buyer’s possession.

Limitations: 3 or 4 digits

RECURRING (Optional) Identifies the transaction as recurring. It is one of the following values:

 Y – Identifies the transaction as recurring.

 N – Does not identify the transaction as recurring (default).

This value does not activate the Payflow Recurring Billing Service API. If the

RECURRING parameter value is Y in the original transaction, this value is ignored

when forming credit, void, and force transactions. If you subscribe to the Payflow

Fraud Protection Services:

 To avoid charging you to filter recurring transactions that you know are reliable,

the fraud filters do not screen recurring transactions.

 To screen a prospective recurring customer, submit the transaction data using

PayPal Manager’s Manual Transactions page. The filters screen the transaction in

the normal manner. If the transaction triggers a filter, follow the normal process to

review the filter results.

NOTE: If your transaction is declined and the PAYMENTADVICECODE response

parameter is supported by your processor, a PAYMENTADVICECODE value is

returned representing the reason that the transaction was declined. Obtain the

meaning of PAYMENTADVICECODE values from your acquiring bank.

Character length and limitations: 1 alpha character

SWIPE (Required for card-present transactions only) Used to pass the Track 1 or Track 2

data (card’s magnetic stripe information) for card-present transactions. Include either

Track 1 or Track 2 data—not both. If Track 1 is physically damaged, the point-of-sale

(POS) application can send Track 2 data instead.

The track data includes the disallowed = (equal sign) character. To enable you to use

the data, the SWIPE parameter must include a length tag specifying the number of

characters in the track data. For this reason, in addition to passing the track data, the

POS application must count the characters in the track data and pass that number.

Length tags are described in “Using Special Characters In Values” on page 43.

NOTE: SWIPE (card-present transactions) are not supported by the PayPal processor.

Limitations: Alphanumeric and special characters

Parameter Description

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PayPal Gateway - 2012 Guide de l'utilisateur Page 52

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