Developer's Guide

Table Of Contents
Credit Card Transactions
Parameters Used in Credit Card Transactions
26 Payflow Pro Developer’s Guide
customer with a list of the card types that you accept (in a drop-down list or menu, for
example).
To accept additional credit card types, you must contact your acquiring bank (the merchant
that holds your Internet Merchant Account) and ask them to add the card type to your account.
Upon notification from your Acquirer that you can start accepting the card type, you must add
the card to your Payflow Pro account through PayPal Manager. See PayPal Manager online
help for details.
Parameters Used in Credit Card Transactions
All credit card processors accept the basic parameters described in the table below with one
exception: the PayPal processor does not support SWIPE.
Some processors require additional parameters described in the following sections:
z “Processors Requiring Additional Transaction Parameters” on page 65.
z “Additional Reporting Parameters” on page 141
TABLE 4.1 Credit card transaction request parameters
Parameter Description
ACCT (Required for credit cards) Credit card or purchase card number. For the Pinless debit
TENDER type, ACCT can be the bank account number.
Limitations: This value may not contain spaces, non-numeric characters, or dashes.
For example, ACCT=5555555555554444
EXPDATE (Required) Expiration date of the credit card.
Limitations: mmyy format. For example, 1008 represents November 2008.
AMT (Required) Amount (Default: U.S. based currency).
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. Your processor
and/or Internet Merchant Account provider may stipulate a maximum amount.
9 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 that is printed (not imprinted) on the back of a credit card. Used as
partial assurance that the card is in the buyers possession.
Limitations: 3 or 4 digits.
FIRSTNAME (Optional) Account holder's first name.
Limitations: 30 alphanumeric characters.