Developer's Guide

Table Of Contents
Payflow Pro Developer’s Guide 73
Processors Requiring Additional Transaction Parameters
American Express
A
American Express Additional Credit Card Parameters (Legacy)
In addition to the parameters in Table 4.1 , “Credit card transaction request parameters,”
American Express Phoenix accepts the following legacy parameters.
NOTE: Merchants in the United States follow the CAPN requirements and use the parameters
described in Table A.1; international merchants do not and instead use the legacy
Other
FIRSTNAME Account holder's first and last name. Note: Even
though the parameter name indicates only the first
name, this single parameter holds all of the
person's name information (both first and last
name, at a minimum).
No Alpha-
numeric
13
LASTNAME Account holder's last name. No Alpha-
numeric
13
INVNUM Merchant invoice number. The merchant invoice
number is used for authorizations and settlements
and, depending on your merchant bank, will
appear on your customer's credit card statement
and your bank reconciliation report. If you do not
provide an invoice number, the transaction ID
(PNREF) will be submitted.
No Alpha-
numeric
9
ORDERDATE Order date
For example, July 28, 2003 is 072803.
Format: mmddyy (with no slashes or dashes)
No Numeric 7
ORDERDATETIME Order time and date
Format is either
YYYY-MM-DD or
YYYY-MM-DD HH:MI:SS
(where HH is in 24-hour time).If the value does
not conform to one of the formats or if the date is
not valid (for example, 2004-17-35), then the
transaction is rejected with:
RESULT=7(SIG_FIELD_ERR)
RESPMSG=Invalid ORDERTIME
A truncated version of the ORDERTIME value (up
to 7 characters) overwrites any value provided by
ORDERDATE. If no value is provided, a NULL value
is stored.
No 19
SWIPE Allows Track 1 and Track 2 data to be passed to
enable a card-present transaction
No Alpha-
numeric
80
T
ABLE A.1 American Express CAPN parameters (Continued)
Parameter Description Required Type Length