Developer's Guide

Table Of Contents
Payflow Pro Developer’s Guide 65
A
Processors Requiring Additional
Transaction Parameters
This appendix lists both required and optional parameters supplementary to the common
parameter set.
In this Appendix
z “American Express” on page 65
z “First Data Merchant Services (FDMS) Nashville” on page 74
z “First Data Merchant Services (FDMS) South” on page 75
z “First Data Merchant Services (FDMS) North” on page 75
z “Elavon (Formerly Nova)” on page 77
z “Paymentech” on page 77
z “TSYS Acquiring Solutions” on page 81
American Express
In addition to the parameters in Table 4.1 , “Credit card transaction request parameters,”
American Express accepts the parameters described in this section. Parameters to meet
American Express Card Acceptance and Processing Network (CAPN) requirements are
described in Table A.1. American Express (legacy) platform parameters are described in
Table A.2.