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title	Availibility

UnionPay SecurePay is available starting on 2021-03-25.

About UnionPay SecurePay

General information about UnionPay SecurePay

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Excerpt

UPI’s innovations enable its bank customers to offer consumers choices: pay now with debit, ahead of time with prepaid or later with credit products. From the world’s major cities to remote areas without banks, people are increasingly relying on digital currency along with mobile technology to use their money anytime and make purchases online, transfer funds and access basic financial services.

Type

Payments by eWallet

Process flow chart

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draw.io Diagram

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UnionPay SecurePay process flow

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Paygate

interface

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PageWithExcerpt	Definition EN

Payment with UnionPay SecurePay via form interface

In order to make a payment with UnionPay in China, please go to use the following URL:

https://www.computop-paygate.com/Chinaunionpay.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

Multiexcerpt include

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Chinaunionpay.aspx

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MultiExcerptName	Request_Intro
PageWithExcerpt	Reuse API

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Table Excerpt Include

static	true
name	MerchantID
page	MerchantID
type	page

Table Excerpt Include

static	true
name	TransID
page	TransID
type	page

Key	Format	CND	Description	Beschreibung

Merchant transaction number, which must be unique


RefNr	ans..40	O	Merchant’s unique reference number. Only characters a-zA-Z0-9,-_ are allowed.

Amount

n..10

M

Eindeutige Referenznummer des Händlers. Nur die Zeichen a-zA-Z0-9,-_ sind erlaubt.

Table Excerpt Include

static	true
name	Amount
page	Amount
type	page

Key	Format	CND	Description	Beschreibung

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

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


Currency	a3	M	Currency

code

, three digits DIN / ISO

-4217. Supported currencies

4217, e.g. EUR, USD, GBP. Only CHF allowed. Please find an overview here: A1 Currency table EN.

Supported currencies: USD, EUR, HKD, SGD, CAD, GBP, CHF, AUD, NZD, JPY, CNY.

Währung, drei Zeichen DIN / ISO 4217, z.B. EUR, USD, GBP. Nur CHF zulässig. Hier eine Übersicht: A1 Währungstabelle.

Unterstützte Währungen: USD, EUR, HKD, SGD, CAD, GBP, CHF, AUD, NZD, JPY, CNY.

Table Excerpt Include

page
static	true
name	MAC

an64

type
MAC

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 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

page

Table Excerpt Include

static	true
name	URLSuccess
page	URLSuccess
type	page

Table Excerpt Include

static	true
name	URLFailure
page	URLFailure
type	page

Table Excerpt Include

static	true
name	Response
page	Response
type	page

Table Excerpt Include

static	true
name	URLNotify
page	URLNotify
type	page

Table Excerpt Include

static	true
name	UserData
page	UserData
type	page

Table Excerpt Include

static	true
name	ReqId-ans..32
page	ReqId
type	page

Key	Format	CND	Description	Beschreibung

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.	Beschreibung der Waren und Preise. Verwendungszweck auf dem Kontoauszug.

Table Excerpt Include

static	true
name	SellingPoint
page	SellingPoint

ans..50

O

Selling point

Service

ans..50

O

Products or service sold

Channel

ans..64

O

Configuration channel of the PPRO contract (account and ContractID are stored in the system). If it exists, it may overwrite channels stored in the system.


type	page

Table Excerpt Include

static	true
name	Service
page	Service
type	page

Table Excerpt Include

static	true
name	Channel
page	Channel
type	page

Key

Format

CND

Description

Beschreibung

Language

a2

O

2-letter language code (e.g.. de) that should be preferred when presenting payment pages to the consumer.

Possible values:

Code	Language
CN	Simplified Chinese
TW	Traditional Chinese
US	English
JP	Japanese
KR	Korean

2-stelliger Sprachcode (z. B. de), der bei der Darstellung von Zahlungsseiten für den Kunden bevorzugt werden sollte.

Mögliche Werte:

Code	Sprache
CN	Verinfachtes Chinesisch
TW	Traditionelles Chinesisch
US	Englisch
JP	Japanisch
KR	Koreanisch

AccOwner

ans..50

M

Name of account holder

Name des Kontoinhabers

AddrCountryCode

a2

O

Country code for the account holder’s invoicing address, 2 characters according to ISO 3166. Only AE, AG, AT, AU, AZ, BD, BE, BN, BY, CA, CN, DE, ES, FI, FR, GB, GE, HK, HU, ID, IE, IT, JP, KE, KG, KH, KR, KZ, LB, LI, LK, LT, LU, MG, MN, MO, MT, MU, MX, MY, NL, NP, NZ, PA, PF, PH, PT, RU, SC, SG, SI, SK, SR, TH, TJ, TZ, US, VN allowed.

Notice: If not provided in the request the default country code "CN" is submitted.

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

Parameters for payments with UnionPay SecurePay

Ländercode der Rechnungsadresse des Kontoinhabers, 2 Zeichen gemäß ISO 3166. Nur AE, AG, AT, AU, AZ, BD, BE, BN, BY, CA, CN, DE, ES, FI, FR, GB, GE, HK, HU, ID, IE, IT, JP, KE, KG, KH, KR, KZ, LB, LI, LK, LT, LU, MG, MN, MO, MT, MU, MX, MY, NL, NP, NZ, PA, PF, PH, PT, RU, SC, SG, SI, SK, SR, TH, TJ, TZ, US, VN zulässig.

Hinweis: Wenn in der Anfrage nicht angegeben, wird der Standard-Ländercode „CN“ übermittelt.

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static	true
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Table Excerpt Include

static	true
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Parameters for payments with UnionPay SecurePay

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Table Excerpt Include

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type	page

Table Excerpt Include

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name	XID
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Table Excerpt Include

static	true
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Key	Format	CND	Description	Beschreibung

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 (authorisation, capture, credit note) 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 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

PaymentPurpose

ans..26

M

Purpose of payment

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

C

Eindeutige Referenznummer des Händlers. Nur die Zeichen a-zA-Z0-9,-_ sind erlaubt.

Table Excerpt Include

static	true
name	Status_OK_AUTHORIZE_REQUEST
page	Status
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Table Excerpt Include

static	true
name	Description
page	Description
type	page

Table Excerpt Include

static	true
name	Code
page	Code
type	page

Table Excerpt Include

static	true
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type	page

Table Excerpt Include

static	true
name	UserData
page	UserData
type	page

Table Excerpt Include

static	true
name	PaymentPurpose
page	PaymentPurpose
type	page

Table Excerpt Include

static	true
name	PaymentGuarantee
page	PaymentGuarantee
type	page

Table Excerpt Include

static	true
name	ErrorText_PPRO
page	ErrorText
type	page

Key	Format		CND	Description	Beschreibung

Detailed PPRO error message.

Notice: Is returned only if Status=FAILED. Use is possible only in agreement with Computop support.


TransactionID	an..20		O	Unique transaction number with PPRO	Eindeutige Transaktionsnummer bei PPRO

Table Excerpt Include

static	true
name	Plain
page	Plain

ans..50

O

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


type	page

Table Excerpt Include

static	true
name	Custom
page	Custom
type	page

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

Return parameters for URLSuccess, URLFailure and URLNotify with UnionPay SecurePay

Credit with reference

Credits (refunds) are possible via a Server-to-Server connection. For a Credit with reference to a capture 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, 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 credited

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credit.aspx

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Key	Format	CND	Description	Beschreibung

TransID

ans..64

M

ID assigned by Merchant for the payment process to be credited


RefNr	ans..40	O	Merchant’s unique reference number. Only characters a-zA-Z0-9,-_ are allowed.

Amount

n..10

M

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

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

Currency

a..3

M

Currency code, three digits ISO-4217. Supported currencies:

Eindeutige Referenznummer des Händlers. Nur die Zeichen a-zA-Z0-9,-_ sind erlaubt.

Table Excerpt Include

static	true
name	Amount
page	Amount
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Key

Format

CND

Description

Beschreibung

Currency

a3

M

Currency, three digits DIN / ISO 4217, e.g. EUR, USD, GBP. Only CHF allowed. Please find an overview here: A1 Currency table EN.

Supported currencies: USD, EUR, HKD, SGD, CAD, GBP, CHF, AUD, NZD, JPY, CNY.

Währung, drei Zeichen DIN / ISO 4217, z.B. EUR, USD, GBP. Nur CHF zulässig. Hier eine Übersicht: A1 Währungstabelle.

Unterstützte Währungen: USD, EUR, HKD, SGD, CAD, GBP, CHF, AUD, NZD, JPY, CNY.

Table Excerpt Include

static	true
name	MAC

an64

M

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

ReqID

page	MAC
type	page

Table Excerpt Include

static	true
name	ReqId-ans..32
page	ReqId

OTo avoid double payments, enter an alphanumeric value which identifies your transaction and may be assigned only once. If the

type	page

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.

Parameters for credit payments with UnionPay with UnionPay SecurePay via socket connection

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Key	Format	CND	Description	Beschreibung

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..40	O	Merchant’s unique reference number. Only characters a-zA-Z0-9,-_ are allowed.

ErrorText

ans..256

O

Detailed PPRO error message

Eindeutige Referenznummer des Händlers. Nur die Zeichen a-zA-Z0-9,-_ sind erlaubt.

Table Excerpt Include

static	true
name	ErrorText_PPRO
page	ErrorText
type	page

Response parameters for credit payments with UnionPay with UnionPay SecurePay via socket connection

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General information about UnionPay SecurePay

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interface

Payment with UnionPay SecurePay via form interface

Credit with reference

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About UnionPay SecurePay

General information about UnionPay SecurePay

Process flow chart

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interface

Payment with UnionPay SecurePay via form interface

Credit with reference

Multiexcerpt include
SpaceWithExcerpt EN
MultiExcerptName Platform-Kurz
PageWithExcerpt Wording