Request Intro


Notice: For security reasons,  rejects all payment requests with formatting errors. Therefore, please use the correct data type for each parameter.

The following table describes the encrypted payment request parameters:

Request Intro Additional


Notice: For security reasons,  rejects all payment requests with formatting errors. Therefore, please use the correct data type for each parameter.

(info) The following table describes the additional encrypted payment request parameters described below for "interface via form" and "interface via Server-to-Server" :

Request Intro Short


The following table describes the encrypted payment request parameters:

Response Intro


The following table describes the result parameters with which the  responds to your system

(info) pls. be prepared to receive additional parameters at any time and do not check the order of parameters

(info) the key (e.g. MerchantId, RefNr) should not be checked case-sentive

Response Intro URL


The following table gives the result parameters which  transmits to URLSuccess or URLFailure and URLNotify. If you have specified the Response=encrypt parameter, the following parameters are sent Blowfish encrypted to your system:

(info) pls. be prepared to receive additional parameters at any time and do not check the order of parameters

(info) the key (e.g. MerchantId, RefNr) should not be checked case-sentive

Response Intro Additional


The following table describes the result parameters with which the  responds to your system.

(info) these result parameters are additional to the standard parameters for "interface via form" and "interface via Server-to-Server" described below

(info) pls. be prepared to receive additional parameters at any time and do not check the order of parameters

(info) the key (e.g. MerchantId, RefNr) should not be checked case-sentive

Request with Amount




Request with Amount + MAC




Response with MID, PayId, XID, Code, Description



Response with MID, PayId, XID, Code, Description, Status



Einzelne Parameter


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 (CTSF) we cannot add the additional payment data.

MerchantID, assigned by . Additionally this parameter has to be passed in plain language too.


MerchantID, assigned by 

Link (Linchpin) to Cookie-/Session


Note to Cookie-/Session-Handling

Link (Linchpin) to EMV 3DS


Note to EMV 3-D Secure

Link (Linchpin) to API Playground


API Playground