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Additional parameters for AMEX CAPN connection

Besides the general parameters described above for the card connection, AMEX requires the following additional parameters:

Parameter

Format

CND

Description

AmountAuth

n..10

M

Prepaid card: Actually authorised amount in the smallest currency unit

ContractIDn..8OFurther reference which can be used to retrieve the combination TerminalID/Contract partner number

RefNr

an12

M

Merchant’s unique reference number, which serves as payout reference in the acquirer EPA file. Please note, without the own shop reference delivery you cannot read out the EPA transaction and regarding the additional settlement file we cannot add the additional payment data.

Notes

  • Fixed length of 12 characters (only characters (A..Z, a..z) and digits (0..9) are allowed, no special characters like whitespace, underscore...)
  • If the number of characters entered is lower than 12, BNP will complete, starting from the left side, with "0" (Example : 000018279568)

Contact data/Address verification (AVS)

FirstName

ans..15

O

First name of the customer

LastName

ans..30

O

Last name of the customer

AddrStreet

ans..20

O

Street name and street number, e.g. 18850~N~56~ST~#301

AddrZip

n..9

O

Postcode

eMail

ans..60

O

Email address of the customer

Phone

n..10

O

Phone number of the customer: for countries which do not use this system, please send the last 10 digits

sdFirstName

ans..15

O

First name in the delivery address

sdLastName

ans..30

O

Last name in the delivery address

sdStreet

ans..50

O

Street name and street number in th delivery address, e.g. 4102~N~289~ST~#301

sdZip

n..9

O

Postcode in the delivery address

sdCountryCode

n3

O

Country code of the delivery address according to ISO-3166-1 numeric (3-digits)

sdPhone

ans..10

O

Phone number in the delivery address: for countries which do not use this system, please send the last 10 digits

The following table gives the parameters with which Payment platform responds:

CodeExt

n..10

O

Error code from CAPN. 

ApprovalCode

n..6

O

Approval code of the transaction

TransactionID

ans..48

O

Transaction ID from CAPN

AmountAuth

n..10

M

Authorised amount in the smallest currency unit.

For prepaid cards this can be less than the initially requested amount.

Match

a1

O

Total result of address check (American Express via CAPN): For possible values see manual Match parameters.

cvcmatcha1C

Result of CVC check.

Possible values: M = Match, N = No match, U = Issuer unable to process request

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