Developer's Guide

Submitting Purchasing Card Level 2 and Level 3 Transactions
American Express Phoenix Purchasing Card Transaction Processing
C
104 Payflow Pro Developer’s Guide
L_DESC4 Description of this line item; if not provided, DESC4
(if present) is used
No Alpha-
numeric
40
L_AMT4 Charge for this line item
Must include a decimal and be exact to the cent
(42.00, not 42) and exclude comma separators
(1234.56 not 1,234.56)
No Numeric 12
L_QTY4 Quantity of this line item No Numeric 3
Location Transaction Advice Addendum Parameters
MERCHANTNAME Name of merchant No 38
MERCHANTSTREET Merchant’s street address (number and street name) No Alpha-
numeric
38
MERCHANTCITY Merchant’s city No 21
MERCHANTSTATE Merchant’s state No 3
MERCHANTCOUNTRY
CODE
Merchant’s numeric country code
Example:
USA: 840
No Alpha-
numeric
3
MERCHANTZIP Merchant’s 5- to 9-digit zip (postal) code excluding
spaces, dashes, and non-numeric characters
Example: 951121737
No Alpha-
numeric
15
Transaction Advice Detail Parameters
ADDLAMTn Detail of a charge (n is the line item number, a value
from 1 - 5); use for additional breakdown of the
charge
Must include a decimal and be exact to the cent
(42.00, not 42) and exclude comma separators
(1234.56 not 1,234.56)
Examples: tip=3.00, convenience charge=2.00
No Numeric 12
ADDLAMTTYPEn A 3-digit code indicating the type of the
corresponding charge detail (n is the line item
number, a value from 1 - 5)
No Alpha-
numeric
3
T
ABLE C.2 American Express Phoenix CAPN Level 2 parameters (Continued)
Parameter Description Required Type Length