Table of Contents

Terms and Definitions

Terms

Term

Definition

Transaction

A transaction consists of a number of linked messages. At its simplest a transaction will consist of a minimum of a request message and a response message.

Payment

A payment is the equivalent to a transaction in

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. During a payment lifecycle, the state of a transaction will change, depending on the performed action. These actions may include authorization, capture, sale, cancel and refund. A payment is thereby defined as a sequence of actions.

Action

An action is an operation that changes the status of a payment when performed successfully.

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Schematic overview

The following block diagram provides a high level process overview.

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Process narrative

(1) ECR submits estimated amount and a Reference Number via OPI message protocol to the POI device

(2) POI device performs cardholder authentication, encrypts the PIN block and the PAN with the

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encryption key and forwards the authorization request via SSL through a central proxy server to CCV acCEPT

(3) CCV acCEPT routes the transaction to

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via VPN connection

(4)

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submits authorization request to the acquirer

(5) Authorization result are transferred via notification request

Please note that authorization and notification are two distinct asynchronous processes.

Notification request

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will submit a notification request via HTTP POST in order to transfer the authorization status and transaction details to the server URL as stored in the merchant configuration.

The request will be sent in real-time. If no response

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will retry the notification once after 2 seconds of the first submission. In case that the retry fails Merchant System may actively request the status of the transaction once the system is available again.

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sql	SELECT * FROM T*

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static	true
name	MID
page	mid
type	page

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static	true
name	PayID
page	PayID
type	page

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static	true
name	XID
page	XID
type	page

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static	true
name	TransID
page	TransID
type	page

Key				Format	CND	Description	Beschreibung
RefNr				ans..30	M	Unique reference number	Eindeutige Referenznummer

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static	true
name	Status
page	Status
type	page

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static	true
name	Description
page	Description
type	page

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static	true
name	Code
page	Code
type	page

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static	true
name	MAC
page	MAC
type	page

Key

Format

CND

Description

Beschreibung

Config

POSTerminalID

an..20

M

Terminal Identification Number assigned and linked to a specific point-of-sale (POS) terminal

Terminal-Identifikationsnummer, die einem bestimmten POS-Terminal zugeordnet und damit verknüpft ist

MessageType

n2

M

Message Type describing the performed action: 01=Sale, 02=Reversal, 03=Credit

Der Message Type beschreibt die ausgeführte Aktion: 01=Verkauf, 02=Storno, 03=Gutschrift

DMACKSN

an..20

M

Serial Number of the key (DUKPT) that was used to generate the DMAC

Seriennummer des Schlüssels (DUKPT), der zum Erzeugen des DMAC verwendet wurde

DMAC

an16

M

Message Authentication Code

Nachrichten-Authentisierungscode

CodeExt

an..10

O

Original code from external payment system

Originaler Code vom externen Zahlungssystem

AQ

a..5

O

Acquirer

X

EMVData

an..2028

O

EMV Data

EMV Daten

X

CCNr

n12..19

O

Credit card number at least 12-digit, numerical without spaces

Kreditkartennummer, mindestens 12 Ziffern ohne Leerzeichen

X

PCNr

n16

O

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card token

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-Kartentoken

X

CCBrand

a..22

O

Credit card brand (e.g. Visa, MasterCard, Maestro etc.)

Kreditkartenmarke (z.B. Visa, MasterCard, Maestro usw.)

X

CCExpiry

n6

O

Card expiry date

Ablaufdatum der Karte

X

MaskedPan

an12..19

M

Masked card number (6X4)

Maskierte Kartennummer (6X4)

IBANEMVfield

an..64

C

IBAN, hex-coded, only available with Girocard

HEX-kodierte IBAN, nur für Girocard

baseAmount

n..10

M

Amount in its smallest currency unit of merchant’s local currency at the Point of Sale (POS)

Betrag in der kleinsten Währungseinheit der lokalen Währung des Händlers am Point of Sale (POS)

baseCurrency

a3

M

Merchant’s local currency at the Point of Sale (POS)

Lokale Währung des Händlers am Point of Sale (POS)

Amount

n..10

C

Amount in its smallest currency unit of card currency

Betrag in der kleinsten Währungseinheit der Kartenwährung

Currency

a3

C

Cardholder’s currency

Währung des Karteninhabers

dccRateValue

ans13

C

Applicable FX rate with 4 decimal places (e.g. ‘3.0245’)

Anwendbarer Wechselkurs mit 4 Dezimalstellen (z.B. ‘3.0245’)

schemeReferenceID

ans..64

C

Card scheme specific transaction ID required for subsequent credential-on-file payments, delayed authorizations and resubmssions.

Spezifische Transaktions-ID des Kartenschemas, die für nachfolgende Zahlungen mit gespeicherten Zugangsdaten, verzögerte Autorisierungen und Wiedereinreichungen erforderlich ist.

Notice: The parameters baseAmount, baseCurrency, and dccRateValue will be only present when DCC was used. In this case the Amount and the Currency parameter correspond to the foreign values. For transaction that have been carried out without DCC the parameter Amount will refer to the amount in the merchant's local currency as given in the parameter Currency.

References

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supports two external references, TransID and RefNr. For POS environments the parameter TransID holds a unique identifier from CCV acCEPT. Thus, the merchant may submit a unique reference via RefNr to

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.

For reconciliation purposes,

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maps the parameter RefNr against suitable elements in the corresponding acquirer protocol in order to make sure that values are shown in the electronic merchant statements (e.g. EPA file). As RefNr is an optional element,

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automatically reverts to the TransID if RefNr is not given in the request message.

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Merchant may transfer his Reference Number in the OPI protocol to the acCEPT server. CCV will map this element against the

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parameter RefNr.

Please note that acquirers do have different size limits for references that can be submitted depending on the message protocol and host capabilities.

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Acquirer	Protocol / Protokoll	Size limit / Größenlimit
ConCardis	GICC	30
JPMorgan Chase	ISO8583	22
American Express	GICC	30
AirPlus	GICC	30
Worldpay	APACS	20

Status inquiry

In order to inquire about the status of a payment via a Server-to-Server connection, please use the following URL:

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getStatus.aspx

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static	true
name	MerchantID
page	MerchantID
type	page

Key	Format	CND	Description	Beschreibung
RefNr	ans..30	M	Merchant’s unique reference number. Reference used at the Point of Sale (POS)	Eindeutige Referenznummer des Händlers. Am Point of Sale (POS) verwendete Referenz.

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Parameters for status inquiries via socket connections

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static	true
name	PayID
page	PayID
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static	true
name	Status_OK_FAILED
page	Status
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Key

Format

CND

Description

Beschreibung

Config

LastStatus

an32

M

Payment status which can be either of the following: AUTHORIZED, FAILED, CAPTURE_REQUEST, CREDIT_REQUEST, OK (=captured)

Zahlungsstatus, der folgende Werte annehmen kann: AUTHORIZED, FAILED, CAPTURE_REQUEST, CREDIT_REQUEST, OK (=gebucht)

LastXCode

n8

O

Response code of the most recent payment action

Antwortcode der letzten Zahlungsaktion

X

LastXAmount

n..10

O

Amount of the most recent payment action

Betrag der letzten Zahlungsaktion

X

XID

an32

O

Identifier of the most recent payment action assigned by

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Vom

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vergebene ID der letzten Zahlungsaktion

X

AmountAuth

n..10

M

Sum of authorized amounts

Summe der autorisierten Beträge

AmountCap

n..10

M

Sum of captured amounts

Summe der gebuchten Beträge

AmountCred

n..10

M

Sum of refunded amounts

Summe der gutgeschriebenen Beträge

CCNr

n12..19

O

Credit card number at least 12-digit, numerical without spaces

Kreditkartennummer, mindestens 12 Ziffern ohne Leerzeichen

X

CCBrand

a..22

O

Credit card brand (e.g. Visa, MasterCard, Maestro etc.)

Kreditkartenmarke (z.B. Visa, MasterCard, Maestro usw.)

X

CCExpiry

n6

O

Card expiry date

Ablaufdatum der Karte

X

MaskedPan

an12..19

M

Masked card number (6X4)

Maskierte Kartennummer (6X4)

IBANEMVfield

an..64

C

IBAN, hex-coded, only available with Girocard

HEX-kodierte IBAN, nur für Girocard

baseAmount

n..10

C

Amount in its smallest currency unit of merchant’s local currency at the Point of Sale (POS)

Betrag in der kleinsten Währungseinheit der lokalen Währung des Händlers am Point of Sale (POS)

baseCurrency

a3

C

Merchant’s local currency at the Point of Sale (POS)

Lokale Währung des Händlers am Point of Sale (POS)

dccRateValue

ans13

C

Applicable FX rate with 4 decimal places (e.g. ‘3.0245’)

Anwendbarer Wechselkurs mit 4 Dezimalstellen (z.B. ‘3.0245’)

schemeReferenceID

ans..64

C

Card scheme specific transaction ID required for subsequent credential-on-file payments, delayed authorizations and resubmssions.

Spezifische Transaktions-ID des Kartenschemas, die für nachfolgende Zahlungen mit gespeicherten Zugangsdaten, verzögerte Autorisierungen und Wiedereinreichungen erforderlich ist.

Notice: The parameter baseAmount, baseCurrency and dccRateValue will be only present when DCC was used. In this case AmountAuth, AmountCap and AmountCred are given in the cardholder's currency. For transaction that have been carried out without DCC all Amounts refer the merchant's local currency.

Code Listings

Brands

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Code				Brand / Kartenmarke
VISA				Visa
MasterCard				MasterCard
Maestro				Maestro
AMEX				American Express
Diners				Diners Club
Discover				Discover
AirPlus				AirPlus Corporate Accounts (UATP)

Acquirer

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MultiExcerptName	acquirer

Code				Acquirer
CON				Concardis
CHASE				Chase Paymentech
AME				American Express
AIR				AirPlus
WLP				Worldpay

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