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About Multibanco
General information about Multibanco
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Process flow chart
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Multibanco process flow
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interface
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Payment with Multibanco
via Paygatevia
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Multibanco offers two ways of merchant integration with Paygate
. Based on the desired way chosen by the merchant for the second solution the merchant should notify Computop Multiexcerpt include SpaceWithExcerpt EN MultiExcerptName Platform-Kurz PageWithExcerpt Wording
to undertake appropriate setup. First and default option is by redirection where the client after choosing the payment method Multibanco is getting re-directed to a predefined landing page showing the relevant information such as Amount, CompanyID and Reference that should be then input on its own Online banking portal or when present at the ATM. Second option is that after choosing the payment method the merchant have a direct request-response call with Paygate Multiexcerpt include SpaceWithExcerpt EN MultiExcerptName Partner-Name PageWithExcerpt Wording
and he is responsible of showing the information that he gets in the response in its own landing page created to look like his shop layout. In the response for second option Paygate Multiexcerpt include SpaceWithExcerpt EN MultiExcerptName Platform-Kurz PageWithExcerpt Wording
will send to the merchant the two additional parameters CompanyID and Reference.Multiexcerpt include SpaceWithExcerpt EN MultiExcerptName Platform-Kurz PageWithExcerpt Wording
To make a payment with Multibanco, go to please use the following URL:
multibanco.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.
TransID
ans..64
M
Merchant transaction number, which must be unique
RefNr
ans..40
O
Unique reference number. Only characters a-zA-Z0-9,-_ are allowed.
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
a3
M
Currency, three digits DIN / ISO 4217 Only EUR is permissible.
MAC
an64
M
Hash Message Authentication Code (HMAC) with SHA-256 algorithm
URLSuccess
ans..256
M
Complete URL which calls up Paygate if payment has been successful. The URL may be requested 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 requested 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 requested 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.
OrderDesc
ans..768
M
Description of goods and prices. Intended purpose on the statement of account
SellingPoint
ans..50
O
Selling point
Service
ans..50
O
Products or service sold
Channel
ans..64
O
Multiexcerpt include SpaceWithExcerpt EN MultiExcerptName Request_Intro PageWithExcerpt Reuse API
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|
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
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Parameters for payments with Multibanco
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 forwarded 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..40
O
Merchant’s unique reference number. Only characters a-zA-Z0-9,-_ are allowed.
Status
a..30
M
OK in the case of URLSuccess and AUTHORIZE_REQUEST or FAILED in the case of URLFailure
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 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
PaymentGuarantee
a..12
C
NONE = no payment guarantee,
VALIDATED= customer account valid, but no payment guarantee,
FULL= payment guarantee
Notice: This parameter is only returned if the Status=OK.
ErrorText
ans..256
Multiexcerpt include SpaceWithExcerpt EN MultiExcerptName Response_IntroURL PageWithExcerpt Reuse API
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C
Detailed PPRO error message.
Notice: Is returned only if Status=FAILED. Use is possible only in agreement with Computop support.
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ans..50
O
A value to be set by the merchant to return some information unencrypted, e.g. the MID
Custom
ans..1024
O
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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=456Return parameters for URLSuccess, URLFailure and URLNotify with Multibanco