About Findomestic

General information about Findomestic

Further information can be found on the webpage of Findomestic (https://www.findomestic.it/).

Process flow chart

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Capture (installment activation)

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Cancel

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Refund

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interface

Authorisation (installment creation)

For installment creation please use the following URL:

https://www.computop-paygate.com/findomestic.aspx

Please note that after successful completion of instalment installment creation , the customer will need to upload additional documents on Findomestic portal. Findomestic will review the documents, send a contract to the customer in case of success, and the customer will need to sign the contract and upload it again on Findomestic portal. Only after completion of all these steps Findomestic will provide final decision about the instillment installment approval. It can take a couple of days.

In case of positive response from Findomestic, Paygate

Notice: For security reasons, 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:

Parameter

Format

CND

Description

MerchantID

ans..30

M

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

TransID

ans..64

M

Merchant transaction number, which must be unique

RefNr

ans..30

O

Unique reference number

Amount

n..10

M

Total order amount in the smallest currency unit (e.g. EUR Cent) incl. rebates and taxes (minimum amount: 100€).

Currency

a3

M

Currency, three digits DIN / ISO 4217 Only EUR permissible.

OrderDesc

ans..768

M

Description of goods and prices etc.

URLSuccess

ans..256

M

Complete URL which calls up Paygate if payment has been successful. The URL may be called up only via port 443 This URL may not contain parameters: In order to exchange values between Paygate and shop, please use the parameter UserData.

URLFailure

ans..256

M

Complete URL which calls up Paygate if payment has been unsuccessful. The URL may be called up only via port 443 This URL may not contain parameters: In order to exchange values between Paygate and shop, please use the parameter UserData.

Response

a7

O

Status response sent by Paygate to URLSuccess and URLFailure, should be encrypted. For this purpose, transmit Response=encrypt parameter.

URLNotify

ans..256

M

Complete URL which Paygate calls up in order to notify the shop about the payment result. The URL may be called up only via port 443 It may not contain parameters: Use the UserData parameter instead.

UserData

ans..1024

O

If specified at request, Paygate forwards the parameter with the payment result to the shop

ReqID

ans..32

O

To avoid double payments, enter an alphanumeric value which identifies your transaction and may be assigned only once. If the transaction is submitted again with the same ReqID, Paygate will not carry out the payment, but will just return the status of the original transaction. Please note that the Paygate must have a finalized transaction status for the first initial action. Submissions with identical ReqID for an open status will be processed regularly.

When using this parameter your shop name will be displayed during application process. In order to avoid shortening of shop name („…“), please sumbit only about 1x 10 chars (or. 2x 10 chars with blank space between = line break).

Custom

ans..1024

O

The merchant can submit several values separated by | which are returned unencrypted and separated by &.

Custom=session=123|id=456 will change in the answer to Session=123&id=456

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

Parameter

Format

CND

Description

MID

ans..30

M

MerchantID, assigned by Computop

PayID

an32

M

ID assigned by Paygate for the payment, e.g. for referencing in batch files.

XID

an32

M

ID for all single transactions for one payment assigned by Paygate

TransID

ans..64

M

Merchant’s transaction number

RefNr

ans..30

O

Merchant’s unique reference number

Status

a..30

M

AUTHORIZE_REQUEST or FAILED

Description

ans..1024

M

Further details in the event that payment is rejected. Please do not use the Description but the Code parameter for the transaction status analysis!

Code

n8

M

Error code according to Paygate Response Codes (A4 Error codes)

MAC

an64

M

Hash Message Authentication Code (HMAC) with SHA-256 algorithm

UserData

ans..1024

O

If specified at request, Paygate forwards the parameter with the payment result to the shop

TransactionID

an..20

M

Contract number with Consors

Plain

ans..50

O

A value to be set by the merchant to return some information unencrypted, e.g. the MID

Custom

ans..1024

O

The merchant can submit several values separated by | which are returned unencrypted and separated by &.

Custom=session=123|id=456 will change in the answer to Session=123&id=456

Capture (installment activation)

After successful completion of Installment creation, the customer will need to upload additional documents on Findomestic portal. Findomestic will review the documents, send a contract to the customer in case of success, and the customer will need to sign the contract and upload it again on Findomestic portal. Only after completion of all these steps Findomestic will provide final decision about the instillment approval. It can take a couple of days.

In case positive response from Findomestic, Paygate will automatically activate the instalment on Findomestic side and send you notification about instalment approval/declining.

The following table describes the result parameters that the Paygate transmits to your URLNotify, specified on Installment creation, with information about Findomestic final decision about the installemnt.

Parameter

Format

CND

Description

MID

ans..30

M

MerchantID, assigned by Computop

PayID

an32

M

ID assigned by Paygate for the payment, e.g. for referencing in batch files

XID

an32

M

ID for all single transactions (authorisation, capture, credit note) for one payment assigned by Paygate

TransID

ans..64

M

Merchant’s transaction number

Status

a..30

M

OK or FAILED

Description

ans..1024

M

Further details in the event that payment is rejected. Please do not use the Description but the Code parameter for the transaction status analysis!

Code

n8

M

Error code according to Paygate Response Codes (A4 Error codes)

RefNr

ans..30

O

Merchant’s unique reference number

Parameters for installment creation with Findomestic

Return parameters for URLSuccess, URLFailure and URLNotify with Findomestic

Capture (installment activation)

Capture/activation is done outside of

Credit (refund)

Credits

Cancel

Reversals are possible via a Server-to-Server connection. If the instalment is still not finally approved by Findomestic, with this call you can reverse the complete instillment amount. Only full reversal is allowed, partial reversal possible is not possible. In case the instillment has been finally approved by Findomestic, Refund should be used.

In order to cancell a an installemnt with Findomestic, please use the following URL:

https://www.computop-paygate.com/reverse.aspx

Notice: For security reasons, 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:

Parameter

Format

CND

Description

MerchantID

ans..30

M

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

PayID

an32

M

ID assigned by Paygate for the payment to be reversed

TransID

ans..64

M

Merchant ID for the identification of the payment process to be reversed

Amount

n..10

M

Amount in the smallest currency unit (e.g. EUR Cent)

Please contact the helpdesk, if you want to capture amounts < 100 (smallest currency unit).

Currency

a..3

M

Currency code, three digits DIN / ISO 4217. Only MYR permissible.

MAC

an64

M

Hash Message Authentication Code (HMAC) with SHA-256 algorithm

The following table describes the Paygate response parameters:

Parameter

Format

CND

Description

MID

ans..30

M

MerchantID, assigned by Computop

PayID

an32

M

ID assigned by Paygate for the payment, e.g. for referencing in batch files

XID

an32

M

ID for all single transactions (authorisation, capture, credit note) for one payment assigned by Paygate

TransID

ans..64

M

Merchant’s transaction number

Status

a..30

M

OK or FAILED

Description

ans..1024

M

Further details in the event that payment is rejected. Please do not use the Description but the Code parameter for the transaction status analysis!

Code

n8

M

Error code according to Paygate Response Codes (A4 Error codes)

RefNr

ans..30

O

Merchant’s unique reference number

Refund

Reversals are possible via a Server-to-Server connection. If the instalment installment has been finally approved by Findomestic, with this call you can create a credit (refund). Both full and partial refunds/multiple refunds are allowed. In case the instillment installment has not been finally approved by Findomestic, Reversal should be used.

In order to credit an installment with Findomestic, please use the following URL:

https://www.computop-paygate.com/credit.aspx

Notice: For security reasons, 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:

Parameter

Format

CND

Description

MerchantID

ans..30

M

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

PayID

an32

M

ID assigned by Paygate for the payment to be reversed

TransID

ans..64

M

Merchant ID for the identification of the payment process to be reversed

Amount

n..10

M

Amount in the smallest currency unit (e.g. EUR Cent)

Please contact the helpdesk, if you want to capture amounts < 100 (smallest currency unit).

Currency

a..3

M

Currency code, three digits DIN / ISO 4217. Only MYR permissible.

MAC

an64

M

Hash Message Authentication Code (HMAC) with SHA-256 algorithm

The following table describes the Paygate response parameters:

Parameter

Format

CND

Description

MID

ans..30

M

MerchantID, assigned by Computop

PayID

an32

M

ID assigned by Paygate for the payment, e.g. for referencing in batch files

XID

an32

M

ID for all single transactions (authorisation, capture, credit note) for one payment assigned by Paygate

TransID

ans..64

M

Merchant’s transaction number

Status

a..30

M

OK or FAILED

Description

ans..1024

M

Further details in the event that payment is rejected. Please do not use the Description but the Code parameter for the transaction status analysis!

Code

n8

M

Error code according to Paygate Response Codes (A4 Error codes)

RefNr

ans..30

O

Merchant’s unique reference number

Parameters for credit of installments with Findomestic via socket connection

Response parameters for credit of installments with Findomestic via socket connection

Reversal

Reversals are possible via a Server-to-Server connection. If the installment is still not finally approved by Findomestic, with this call you can reverse the complete installment amount. Only full reversal is allowed, partial reversal is not possible. In case the installment has been finally approved by Findomestic, Credit should be used.

In order to cancel an installment with Findomestic, please use the following URL:

Parameters for reversals of installments with Findomestic via socket connection

Response parameters for reversals of installments with Findomestic via socket connection