Capture / Credit / Reversal
Capture
Captures are possible via a Server-to-Server connection. To perform a capture via a Server-to-Server connection, please use the following URL:
https://www.computop-paygate.com/capture.aspx |
Notice: Please observe the reservation / authorisation deadlines of your acquirer (see General Terms and Conditions) so that you, as the merchant, ensure that the debits are submitted to our Paygate within the correct period.
Notice: For security reasons, Computop Paygate 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:
Parameters for captures of credit card payments
The following table describes the result parameters with which the Computop Paygate responds to your system
pls. be prepared to receive additional parameters at any time and do not check the order of parameters the key (e.g. MerchantId, RefNr) should not be checked case-sentive
Response parameters for captures of credit card payments
Credit with reference
Credits (refunds) are possible via a Server-to-Server connection. Paygate permits credits which relate to a capture previously activated by Paygate and allows merchants to carry out credits without a reference transaction. This section describes the processing of credits with reference transactions. If you refer to a capture for a Credit, the amount of the Credit is limited to the amount of the previous capture.
To carry out a credit with a reference transaction, please use the following URL:
https://www.computop-paygate.com/credit.aspx |
Notice: For security reasons, Computop Paygate 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:
Parameters for credits of credit card payments
The following table describes the result parameters with which the Computop Paygate responds to your system pls. be prepared to receive additional parameters at any time and do not check the order of parameters the key (e.g. MerchantId, RefNr) should not be checked case-sentive
Response parameters for credits of credit card payments
Credit without reference
Paygate can carry out Credits which do not relate to a previous capture. In this case the credit must be transferred to Paygate as a completely new payment transaction. Please contact the Computop Helpdesk for help in using the described additional functions.
Notice: Please note that credits without reference to a previous capture generate higher costs with your Acquiring Bank. If you are frequently unable to make reference to the capture you should agree this with your Acquiring Bank.
To carry out a Credit without a reference transaction via a Server-to-Server connection, please use the following URL:
https://www.computop-paygate.com/creditex.aspx |
Notice: For security reasons, Computop Paygate 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:
Parameters for credits of credit card payments without reference
The following table describes the result parameters with which the Computop Paygate responds to your system pls. be prepared to receive additional parameters at any time and do not check the order of parameters the key (e.g. MerchantId, RefNr) should not be checked case-sentive
Response parameters for credits of credit card payments without reference
Reversal
A credit card authorisation lowers the customer's credit line. Paygate can reverse an authorisation so that it no longer block the limit any more. Use the following URL:
https://www.computop-paygate.com/reverse.aspx |
Notice: Reverse.aspx does not only reverse authorisations, but any LAST TRANSACTION STAGE!! If the last transaction was a capture, Reverse.aspx initiates the reverse, e.g. a credit. Therefore, the utmost caution is urged. Use is at your own risk. We recommend checking the transaction status with Inquire.aspx before using Reverse.aspx.
Notice: For security reasons, Computop Paygate 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:
Parameters for reversals of credit card payments
The following table describes the result parameters with which the Computop Paygate responds to your system pls. be prepared to receive additional parameters at any time and do not check the order of parameters the key (e.g. MerchantId, RefNr) should not be checked case-sentive
Response parameters for reversals of credit card payments
Reversal of an authorisation extension
A credit card authorisation is valid for only 7 to 30 days. In order to maintain your payment claim in the case of longer delivery times, Paygate enables the automatic renewal of the authorisation. Renewal of the authorisation is also important for instalments or partial deliveries because the outstanding amount is invalid in the case of partial captures.
If you use authorisation renewal, Paygate renews your authorisations until the payment has been captured fully. Amongst other things the customer's card limit is reduced by the authorised amount. In order to restore the card limit again, for example because the order cannot be fully delivered, you need to specifically cancel the authorisation renewal with the following URL:
https://www.computop-paygate.com/cancelAuth.aspx |
Notice: CancelAuth cancels only the recurrence of the authorisation. If you wish to unblock the customer's card limit, please reverse the authorisation in accordance with the section above.
Notice: For security reasons, Computop Paygate 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:
Parameters for reversal of an authorisation extension
The following table describes the result parameters with which the Computop Paygate responds to your system pls. be prepared to receive additional parameters at any time and do not check the order of parameters the key (e.g. MerchantId, RefNr) should not be checked case-sentive
Result parameters for reversals of an authorisation extension
Credit card payment via POS terminals
To make a credit card payment via a POS terminal (POS: Point of Sale), send the payment request to the following URL:
https://www.computop-paygate.com/stationary.aspx |
Notice: For security reasons, Computop Paygate 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:
Parameters for credit card payments via POS terminals
The following table describes the result parameters with which the Computop Paygate responds to your system pls. be prepared to receive additional parameters at any time and do not check the order of parameters the key (e.g. MerchantId, RefNr) should not be checked case-sentive
Response parameters for credit card payments via POS terminals
Reversal of POS credit card payments
To reverse the capture of a credit card payment via a stationary terminal, please use the following URL:
https://www.computop-paygate.com/stationary_rev.aspx |
Notice: For security reasons, Computop Paygate 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:
Parameters for reversal of credit card payments via POS terminals
The following table describes the result parameters with which the Computop Paygate responds to your system pls. be prepared to receive additional parameters at any time and do not check the order of parameters the key (e.g. MerchantId, RefNr) should not be checked case-sentive
PayNow
Silent Mode for credit cards with SSL and 3-D Secure method
PayNow links the benefits of Paygate forms and Server-to-Server connections: As opposed to the Paygate form, where the form is loaded from the Paygate server by calling payssl.aspx, the PayNow form has to be provided by the merchant’s system. The form uses the same parameters as described here below.
In contrast to the Paygate form, the parameters are not forwarded as URL parameters as is the case when calling the payssl.aspx, but as form input parameters. By the way for calling the PayNow.aspx the same parameters can be used as for PaySSL.aspx.
Paygate-Formular | PayNow |
|---|---|
| <form action=paynow.aspx> <input type="hidden" name="MerchantID" value=[mid]> <input type="hidden" name="Len" value=[len]> <input type="hidden" name="Data" value=[data]> : </form> |
The credit card data must be transmitted to paynow.aspx with the following parameters:
PayNow parameters for 3-D Secure method
After the customer has entered his credit card data, the payment data is forwarded to the PayNow page, where the further payment processing takes place via 3-D Secure. The form details must be directly forwarded to the PayNow page and may not be transmitted to the merchant’s system! Also, no PCI-relevant data may be transmitted to the PayNow page as additional input parameters!
Batch processing via the interface
Basic information about using Batch files and about their structure can be found in the Batch Manager manual. Within batch processing not alle functions are available which are usually available for the online interface.
Batch calls and answers
This section describes the parameters which must be transferred within the data set (Record) for executing a credit card payment and which information can be found within the response file about the payment status.
Notice: Please observe the reservation / authorisation deadlines of your acquirer (see General Terms and Conditions) so that you, as the merchant, ensure that the debits are submitted to our Paygate within the correct period.
Notice: Within Batch process not all functions of online interface are available.
For Batch calls there must be considered batch versions, from which optional parameters depend. All version designations starting with „2.“ pertain calls for a group of enterprises. That means within a batch file for a particular MerchantID can be transferred transactions for other merchants with a separate Sub-MID.
For the connections ECPCC, GMO, Kalixa and SafeCharge the possible actions are limited to Capture, Credit and Reverse.
Following table gives an overview of all batch versions that are possible for a specific action and their specialities:
Description of the possible batch versions
The structure for a credit card payment within a Batch file to be submitted is the following:
HEAD,<MerchantID>,<Date>,<Version> CC,Authorize,<Amount>,<Currency>,<TransID>,(<RefNr>),<CCBrand>,<CCNr|PCNr>,[<CCCVC>],<CCExpiry>,<OrderDesc>[,<textfeld1>,<textfeld2>,<RTF>,<approvalcode>,<cardholder>,<Zone>,<transactionID>,<schemeReferenceID>] CC,Capture,<Amount>,<Currency>,<TransID>,(<RefNr>),<PayID>,[<FinishAuth,<textfeld1>,<textfeld2>,<approvalcode>] CC,Sale,<Amount>,<Currency>,<TransID>,(<RefNr>),<CCBrand>,<CCNr|PCNr>,[<CCCVC>],<CCExpiry>,<OrderDesc>[,<textfeld1>,<textfeld2>,<RTF>,<approvalcode>,<cardholder>,<Zone>,<transactionID>,<schemeReferenceID>]] CC,Credit,<Amount>,<Currency>,<TransID>,(<RefNr>),<PayID>[,<FinishAuth>,<textfeld1>,<textfeld2>] CC,CreditEx,<Amount>,<Currency>,<TransID>,(<RefNr>),<CCBrand>,<CCNr|PCNr>,[<CCCVC>],<CCExpiry>,<OrderDesc>[,<textfeld1>,<textfeld2>] CC,Reverse,<Amount>,<Currency>,<TransID>,(<RefNr>),<PayID> FOOT,<CountRecords>,<SumAmount>
Example for batch versions:CC,Sale,<Amount>,<Currency>,<TransID>,(<RefNr>),<CCBrand>,<CCNr|PCNr>,<CCExpiry>,<OrderDesc>
CC,Sale,<Amount>,<Currency>,<TransID>,(<RefNr>),<CCBrand>,<CCNr|PCNr>,<CCExpiry>,<OrderDesc>,<textfeld1>,<textfeld2>,<RTF>,<cardholder>,<transactionID>,<schemeReferenceID>
CC,Sale,<Amount>,<Currency>,<TransID>,(<RefNr>),<CCBrand>,<CCNr|PCNr>,<CCExpiry>,<OrderDesc>,<textfeld1>,<textfeld2>,<RTF>,<approvalcode>,<cardholder>,<transactionID>,<schemeReferenceID>
CC,Sale,<Amount>,<Currency>,<TransID>,(<RefNr>),<CCBrand>,<CCNr|PCNr>,<CCCVC>,<CCExpiry>,<OrderDesc>,<textfeld1>,<textfeld2>,<transactionID>,<schemeReferenceID>
CC,Sale,<Amount>,<Currency>,<TransID>,(<RefNr>),<CCBrand>,<CCNr|PCNr>,<CCCVC>,<CCExpiry>,<OrderDesc>,<Zone>
Example for Master MID function:
HEAD,[Master]MerchantID,Date,2.x Type,Action,[Slave]MID,Amount,Currency,TransID,Data (depends on Action) FOOT,CountRecords,SumAmount
The following table describes the individual fields and values used within the data set (record) in the batch file:
Description of fields within the record for Batch files
The record area within the response file for Batch transactions looks as follows:
HEAD,<MerchantID>,<Date>,<Version> CC,Authorize,<Amount>,<Currency>,<TransID>,(<RefNr>),<PayID>,<CCBrand>,<CCNr|PCNr>,[<CCCVC>],<CCExpiry>,<OrderDesc>[,<textfeld1>,<textfeld2>,<RTF>,<approvalcode>,<cardholder>,<Zone>,<transactionID>,<schemeReferenceID>],<Status>,<Code> CC,Capture,<Amount>,<Currency>,<TransID>,(<RefNr>),<PayID>[<textfeld1>,<textfeld2>,<approvalcode>],<Status>,<Code> CC,AuthSplit,<Amount>,<Currency>,<TransID>,(<RefNr>),<PayID>,FAILED,<Code>,<Description>,[<PCNr>] CC,Renewal,<Amount>,<Currency>,<TransID>,(<RefNr>),<PayID>,FAILED,<Code>,<Description>,[<PCNr>] CC,Sale,<Amount>,<Currency>,<TransID>,(<RefNr>),<PayID>,<CCBrand>,<CCNr|PCNr>,[<CCCVC>],<CCExpiry>,<OrderDesc>[,<textfeld1>,<textfeld2>,<RTF>,<approvalcode>,<cardholder>,<Zone>,<transactionID>,<schemeReferenceID>],<Status>,<Code> CC,Credit,<Amount>,<Currency>,<TransID>,(<RefNr>),<PayID>[,<FinishAuth>,<textfeld1>,<textfeld2>],<Status>,<Code> CC,CreditEx,<Amount>,<Currency>,<TransID>,(<RefNr>),<CCBrand>,<CCNr|PCNr>,[<CCCVC>],<CCExpiry>,<OrderDesc>[,<textfeld1>,<textfeld2>],<Status>,<Code> CC,Reverse,<Amount>,<Currency>,<TransID>,(<RefNr>),<PayID>,<Status>,<Code> FOOT,<CountRecords>,<SumAmount>
Example for batch versions:CC,Sale,<Amount>,<Currency>,<TransID>,(<RefNr>),<CCBrand>,<CCNr|PCNr>,<CCExpiry>,<OrderDesc>,<Status>,<Code>
CC,Sale,<Amount>,<Currency>,<TransID>,(<RefNr>),<CCBrand>,<CCNr|PCNr>,<CCExpiry>,<OrderDesc>,<textfeld1>,<textfeld2>,<RTF>,<cardholder>,<transactionID>,<schemeReferenceID>,<Status>,<Code>
CC,Sale,<Amount>,<Currency>,<TransID>,(<RefNr>),<CCBrand>,<CCNr|PCNr>,<CCExpiry>,<OrderDesc>,<textfeld1>,<textfeld2>,<RTF>,<approvalcode>,<cardholder>,<transactionID>,<schemeReferenceID>,<Status>,<Code>
CC,Sale,<Amount>,<Currency>,<TransID>,(<RefNr>),<CCBrand>,<CCNr|PCNr>,<CCCVC>,<CCExpiry>,<OrderDesc>,<textfeld1>,<textfeld2>,<transactionID>,<schemeReferenceID>,<Status>,<Code>
CC,Sale,<Amount>,<Currency>,<TransID>,(<RefNr>),<CCBrand>,<CCNr|PCNr>,<CCCVC>,<CCExpiry>,<OrderDesc>,<Zone>,<Status>,<Code>
The following table describes the response parameters which the Batch Manager saves in the Record area for each transaction (standard parameters not explained here, such as <TransID> or <RefNR> and request parameters are returned unchanged and correspond to the call as specified before):
Description of result parameters within the record for Batch files
Cancel authorisation renewals
With a credit card authorisation you get the right to claim a payment. However an authorisation lasts only 30 days which is a problem if you capture a partial amount, for example as part payment for several partial shipments. In order to reproduce your payment request Paygate can repeat an expired authorisation automatically.
If an order cannot be delivered or has been cancelled by the customer, it is very important that the automatic authorisations stop. Your customer's card limit will be otherwise reduced permanently because the Paygate continues to charge your customer's card.
Under normal circumstances the Paygate stops the automatic authorisation renewal when the authorised amount has been captured in full. In Batch version 1.4 you can also stop the authorisation renewal manually by changing the payment status. To perform this you submit a capture in your batch file whose amount is under the admissible limit. Since Paygate refuses credit card captures below 1.00 euro, the payment status changes to FAILED in the case of lesser amounts. Paygate therefore renews this authorisation no further. A corresponding capture entry of 0.05 euro’s is shown for example as follows:
CC,Capture,5,EUR,BestNr.0815,Rg.Nr.5180,a86dga4310d24453acd6f8a3112a769,y |
Since the amount of 5 cents lies below the minimum amount of 1.00 euro, Paygate refuses the capture with the error message MinValue. The payment status changes to FAILED and the authorisation renewal is stopped.