Sips Walletpage JSON

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The last interfaceVersion is WMR_WS_3.0

Introduction

Worldline Sips is a secure multi-channel e-commerce payment solution that complies with the PCI DSS standard. It allows you to accept and manage payment transactions by taking into account business rules related to your activity (payment upon shipping, deferred payment, recurring payment, payment in instalments, etc.).

The purpose of this document is to explain the implementation steps of the Sips Walletpage JSON solution up to live operations.

Who does this document target?

This document is intended for merchants wishing to subscribe to the Worldline Sips offer and use a connector based on HTTPS exchanges in JSON mode between their websites and the Worldline Sips servers, so as to enable their customers to manage their OneClick or subscriber wallets.

It is an implementation guide for your technical team.

To get an overview of the Worldline Sips solution, we advise you to consult the following documents:

Functional presentation
Functionality set-up guide
OneClick payment guide
Subscription payment

Prerequisites

Knowledge of standards related to web programming languages used today, such as Java, PHP or .Net, is necessary to develop a connection to Sips Walletpage JSON.

Note: all code sections in this document are provided as samples, you will need to adapt them to your website for them to be fully operable.

Secret key management

Upon your subscription, Worldline provides a secret key on the Merchant Extranet that will allow you to secure exchanges between your website and the Worldline Sips server.

You are responsible for looking after this key and should take all measures to:

restrict access to the key
safeguard it by encrypting it
never copy it onto a non-secure disc or device
never send it (via e-mail or regular mail) in a non-secure method

A secret key compromised (and used by a malicious third party) might disrupt the regular operation of your shop and might in particular generate unauthorised sales or cash transactions (e.g. refunds).

IMPORTANT: in the event that a secret key is compromised, you are required to ask as quickly as possible for its revocation then for its renewal via the Merchant Extranet.

The very same secret key is used on the various Sips Paypage, Sips Office, Sips In-App and Sips Walletpage connectors.

IMPORTANT: a secret key is associated with a version. After getting a new secret key, you must modify your request and populate the keyVersion field with the new version, otherwise you will get an answer code 34 (suspected fraud).

Understanding customer wallet management with Sips Walletpage JSON

The wallet management process works as follows:

picture on the general principle of a wallet management process

1. When the customer initiates the wallet management step, a request must be sent to the Sips Walletpage JSON connector the URL of which is provided by Worldline. The request is then checked, and encrypted if it is valid (it is named RedirectionData in the system). The request is sent through a POST form via HTTPS. Any other solution that can sends such requests also works.

2. The merchant's website redirects the calling application to the wallet management interface, with the encrypted request. The latter is decrypted, and Sips Walletpage enables the customer to perform various operations on their wallet. For the customer to be able to return to your site, a response is created and sent to the response URL provided in workflow No. 1.

There are two independent response notifications:

3. The wallet management server sends the manual response to the manual response URL using the HTTP(S) POST method. This URL is supplied in the wallet management request when the customer clicks on the “Back to shop” button or link on the wallet management page. This is why the normal response URL is also the page the customer is redirected to when wallet management operations are over. As nothing guarantees that the customer will click on this link, the receipt of the manual response cannot be guaranteed either.

4. Automatic responses are sent separately from manual responses. They also use the HTTP(S) POST requests sent by the wallet management servers, but this time, they use the automatic response URL specified in the wallet management request. You will receive the response when the customer clicks on the “Back to shop” button or if the wallet management session expires.

Getting started with Sips Walletpage JSON in 5 steps

Step 1: subscribing to the service

If your shop has not been registered yet, you must fill in the registration form (asking for the subscription service or the OneClick service) sent by Worldline and send it back to them.

If your shop has already been registered with Worldline Sips, you need to ask the technical contact to activate the subscription service or the OneClick service.

Tip: if your wallet database is shared between several shops, you must specify it in your registration form or tell it to the technical support team.

If this information is not supplied, Worldline Sips defines a dedicated wallet database for your shop.

Step 2: managing your customers' wallets

The wallet management request is a call to a REST web service (JSON).

Attention: please remember you need to indicate in your message header that the data to be processed is of JSON type. To do this, you need to specify the 'Content-Type: application/json' header in your JSON message. Otherwise you might receive an error message similar to the following:

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html>
    <head>
        <title>415 Unsupported Media Type</title>
    </head>
    <body>
        <h1>Unsupported Media Type</h1>
        <p>The supplied request data is not in a format
acceptable for processing by this resource.</p>
    </body>
</html>

In response, this web service will provide you with the URL to redirect the internet user to, and with the redirectionData and redirectionVersion fields. You must do this redirection via an HTML form using the POST method.

Generating the wallet management request

All the fields required for wallet management (please refer to the "Filling in the fields of the request" chapter) must be provided.

Request syntax

The request is structured in compliance with the JSON format:

{“<field name>” : ”<value name>”, “<field name>” : “<value name>”, “field name” : “value name” etc., “seal” : “seal value” }

Sample wallet management request:

{ "interfaceVersion" : "WMR_WS_2.5", "merchantId" : "011223744550001", "merchantWalletId" : "w5346", ”keyVersion” : “1”, "normalReturnUrl" : "http://www.normalreturnurl.com" ,"requestDateTime" : "2015-08-05T16:28:07.438+02:00", "seal" : "112a4b079ece08a0a55511cd5469fc47051d6ddb1404623170ba3873668e5c58", "responseEncoding":"base64" }

A field can have several values:

…,"field name" : ["value1","value2"],…

Sample paymentMeanBrandList field with VISA and MASTERCARD as values:

…,"paymentMeanBrandList" : ["VISA","MASTERCARD"],…

If a field contains a list of complex objects, its representation is structured using the following format:

…,“name of field” : [{“name of subfield1”:”value1”,“name of subfield2”:”value2”},{“name of subfield1”:”value3”, “name of subfield2”:”value4”}],…

Sample wallet management request with a list of complex objects for the shoppingCartDetail field, containing two products, apple and mango:

{"amount" : "1000","automaticResponseUrl" : "https://responseurl.com","currencyCode" : "978","interfaceVersion" : "IR_WS_2.8","keyVersion" : "1","merchantId" : "000000000000012","normalReturnUrl" : "https://responseurl2.com","orderChannel" : "INTERNET","shoppingCartDetail" : {"shoppingCartItemList" : [{"productCode" : "123","productName" : "apple"},{"productCode" : "456","productName" : "mango"}],"shoppingCartTotalAmount" : "1000"},"transactionReference" : "1232015021717313","seal" : "fac5bc8e5396d77a8b31a2a79a38750feea71b22106a2cec88efa3641a947345"}

Securing the request

The request includes the transaction parameters and is sent by the customer's web browser. Theoretically, a third party can intercept the request and modify its content before the data reaches the payment server.

Therefore it is necessary to strengthen security so as to ensure the integrity of the parameters of the transaction sent. The Worldline Sips solution meets this challenge by exchanging signatures. An effective signature control comprises two elements:

the integrity of the request and response messages
the issuer and recipient authentication, as they share the same secret key

IMPORTANT: if your secret key is compromised, or if you suspect this might be the case, you should always go to Sips Download to request a new one.

How to secure the request

The request is secured by calculating the hash value in line with the transaction parameters. Then, the secret key is added to it. All character strings are converted to UTF-8 before being hashed.

The hashing algorithm generates an irreversible result. When such a message is received, the recipient needs to recalculate the hash value and compare it with the one received. Any difference indicates that the data exchanged was falsified, or that the recipient and the issuer do not share the same secret key.

The result must be sent in hexadecimal format in the data element named Seal.

Calculating the Seal data element

HMAC-SHA algorithm

The value of the Seal data element is computed as follows:

Concatenation of data field values in the alphabetical order of field names (in accordance with ASCII character codes), without integrating the keyVersion and sealAlgorithm fields. Giving the field data, mentioned in the examples below.
- as an example, a field that would be named authorMessageReference must be positioned before another field named authorisationId
Obtaining the UTF-8 encoding of the data from the previous result
HMAC with SHA256 encryption of bytes obtained with the secret key

This procedure can be summarised as follows:

HMAC-SHA256( UTF-8(sortedDataValues), UTF-8(secretKey))

Attention: by default, the seal is computed with the HMAC-SHA-256 algorithm, the use of which we strongly recommend.

For the seal to be computed with the SHA-256 algorithm, the input parameters of the request must include the sealAlgorithm field populated with the following value: “SHA-256”.

Hmac Sha256 sample code

Sample Hmac Sha256 encoding in Php 5
```
<?php

…

// Seal computation thanks to hash sorted data hash with merchant key

$data_to_send= utf8_encode($data)

$seal=hash_hmac('sha256', $data_to_send, $secretKey);

…
…

?> 
```
data_to_send and secretKey must use a UTF-8 character set. Please refer to the utf8_encode function for the conversion of ISO-8859-1 characters in UTF-8.

Sample Hmac Sha256 encoding in Java


import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;

public class ExampleHMACSHA256 {

/**
 * table to convert a nibble to a hex char.
 */
static final char[] hexChar = {
   '0' , '1' , '2' , '3' ,
   '4' , '5' , '6' , '7' ,
   '8' , '9' , 'a' , 'b' ,
   'c' , 'd' , 'e' , 'f'};

/**
 * Fast convert a byte array to a hex string
 * with possible leading zero.
 * @param b array of bytes to convert to string
 * @return hex representation, two chars per byte.
 */
public static String encodeHexString ( byte[] b )
   {
   StringBuffer sb = new StringBuffer( b.length * 2 );
   for ( int i=0; i<b.length; i++ )
      {
      // look up high nibble char
      sb.append( hexChar [( b[i] & 0xf0 ) >>> 4] );

      // look up low nibble char
      sb.append( hexChar [b[i] & 0x0f] );
      }
   return sb.toString();
   }

/**
 * Computes the seal
 * @param Data the parameters to cipher
 * @param secretKey the secret key to append to the parameters 
 * @return hex representation of the seal, two chars per byte.
 */
public static String computeSeal(String data, String secretKey) throws Exception
{
  Mac hmacSHA256 = Mac.getInstance("HmacSHA256");
  SecretKeySpec keySpec = new SecretKeySpec(secretKey.getBytes(), "HmacSHA256");
  hmacSHA256.init(keySpec);

  return encodeHexString(hmacSHA256.doFinal(data.getBytes()));
}

/**
 * @param args
 */
public static void main(String[] args) {
try {
System.out.println (computeSeal("parameters", "key"));
} catch (Exception e) {
e.printStackTrace();
}
}

}

Sample Hmac Sha256 encoding in .net

(Carried out using a simple form called "Form1" containing two text fields to enter data and txtSecretKey, and another field to display lblHEX).


using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Security.Cryptography;

namespace ExampleDotNET
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void cmdGO_Click(object sender, EventArgs e)
        {
            String sChaine = data.Text;
            UTF8Encoding utf8 = new UTF8Encoding();
            Byte[] encodedBytes = utf8.GetBytes(sChaine);
        
            byte[] shaResult;
            
            HMAC hmac = new HMAC.Create("HMACSHA256");
            var key = "YourSecretKey";
            hmac.Key = utf8.GetBytes(key); 
            hmac.Initialize();

            shaResult = hmac.ComputeHash(encodedBytes);

            lblHEX.Text = ByteArrayToHEX(shaResult);
        }

        private string ByteArrayToHEX(byte[] ba)
        {
            StringBuilder hex = new StringBuilder(ba.Length * 2);
            foreach (byte b in ba)
                hex.AppendFormat("{0:x2}", b);
            return hex.ToString();
        }

    }
}

Seal calculation validation

Once you have set up your seal calculation, here is a sample request to help you verify that you find the correct seal:

{
    "automaticResponseURL":"https://automatic-response-url.fr/",
    "interfaceVersion":"WMR_WS_2.4",
    "customerContact":{
      "email":"customer@email.com"
    },
    "keyVersion":"1",
    "merchantId":"011223344550000",
    "merchantWalletId":"wallet01",
    "normalReturnUrl":"https://normal-return-url/",
    "requestDateTime":"2018-08-08T16:31:22.589+02:00",
    "seal":"5aad3874f828bc427cd58833164bdfcfd8bcdf7b0921addc9ef82e6f82b027ee"
}

For the above request, the concatenated string which must be calculated is:

https://automatic-response-url.fr/customer@email.comWMR_WS_2.4011223344550000wallet01https://normal-return-url/2018-08-08T16:31:22.589+02:00

With a HMAC-SHA-256 hash algorithm and the following secret key:

secret123

The expected seal is:

5aad3874f828bc427cd58833164bdfcfd8bcdf7b0921addc9ef82e6f82b027ee

Sample redirection form to Sips Walletpage JSON

In return to this request, you should receive a response (also in XML JSON 1.1) containing the following fields:

Field name	Description
redirectionData	Request token to be provided during the redirection to the wallet management pages.
redirectionStatusCode	List of possible response codes.
redirectionStatusMessage	Short message providing the initialisation status.
redirectionUrl	URL of the Worldline Sips wallet management pages you have to redirect the customer to.
redirectionVersion	Redirection version.
seal	Output seal.
reponseEncoding	Encoding type used for responses.

If the wallet management initialisation was successful, the redirectionStatusCode field must be populated with "00". The redirectionData, redirectionVersion and redirectionUrl fields will likewise be populated to allow the redirection to the Worldline Sips wallet management pages.

To redirect the customer to the wallet management pages, you must implement a POST form sending the two following fields: redirectionData and redirectionVersion. The POST form shall redirect the customer to the URL provided in the redirectionUrl field.

Below is a sample form that must be submitted automatically:

<form method="post" action=”value of redirectionURL”>
    <input type="hidden" name="redirectionVersion" value=”value of redirectionVersion”>
    <input type="hidden" name="redirectionData" value=”value of redirectionData”>
  </form>

Processing wallet management initialisation errors

All fields received by Sips Walletpage JSON through the connector are checked individually. The table below lists the error messages that might be displayed during this step, and the solutions to be implemented.

redirectionStatusCode	Description
00	Standard situation followed by the standard process used to display the wallet management pages.
03	The merchantId or the acquirer contract is not valid.
12	The transaction parameters are not valid. Please check the request parameters.
30	The request format is not valid.
34	Security issue: e.g. the calculated seal is not correct.
94	The transaction already exists.
99	Service temporarily unavailable.

There are four possible situations:

RedirectionStatusCode = 00

The user must be redirected to the payment page.

RedirectionStatusCode = 03, 12, 30, 34

These error codes indicate that the request has an issue that needs to be fixed. The payment process must be stopped.

RedirectionStatusCode = 99

The payment service is unavailable. Try to submit the request again. A new transaction reference must be used to prevent response code 94 from being returned.

Populating the request fields

The request and the response of the walletManagementInit method are described on this page.

Setting up the wallet management request

Here is an example of how to set up the wallet management request for each funtionality available in Sips Walletpage JSON (the details of these functionalities are described in the Functionality set-up guide, and Subscription payment).

Restriction of customer functionalities for wallet management

By default, the customer has access to all the wallet management functionalities. To restrict access, you must specify the list of desired functionalities in the WalletActionNameList field (as in the example below to only allow to add or modify payment methods in one's wallet):

"walletActionNameList":["ADDPM","UPDATEPM"],

Dynamic restriction of means of payment

The means of payment that will be available for addition to the wallet must be filtered using the paymentMeanBrandList field:

"paymentMeanBrandList":["VISA","PAYPAL"],

Customer's wallet identification

The customer's wallet ID must be populated in the merchantWalletId field.

"merchantWalletId":"1205987",

Provider acting on behalf of a merchant

You must pass the provider's ID in the intermediateServiceProvider field of the request, and use the provider's secret key to compute the Seal data element:

"intermediateServiceProviderId":"241891",

Response processing

There are two types of responses. Although the protocol, format and content of both responses are identical, the latter must be managed differently because they meet different needs.

Responses are HTTP(S) POST responses sent to the normalReturnUrl (mandatory) and automaticResponseUrl (optional) URLs specified in the request.

You must set up the system that will decode these responses so you can know the result of the request.

The following four data are defined in the responses:

Field name	Comments/rules
Data	Fields concatenation in the response.
Encode	Type of encoding used to encode the Data field. This field is populated using the responseEncoding field from the request.
Seal	Response message signature.
InterfaceVersion	Connector interface version.

IMPORTANT: It is important not to sort the content of the Data field to calculate the Seal of the response. Keep the fields in the sequence you received them.

If the value of the Encode field is “base64” or “base64url”, the Data field must be encoded using Base64/Base64Url so the concatenated string of fields is reconstructed. The concatenated string is structured as follows: key1=value1|key2=value2, etc. The seal (Seal field) of both responses is hashed with the same algorithm as the one supplied as input in the sealAlgorithm field. If no value was defined, SHA-256 is used by default.

IMPORTANT: for a seal to be computed with the HMAC-SHA-256 algorithm, the input parameters of the request must include the sealAlgorithm field populated with the following value: “HMAC-SHA-256”.

The value of the Seal field is computed as follows:

For the HMAC-SHA algorithm:

use of the shared secret key to generate the HMAC variant of the message
use of the Data field only (encoded if the corresponding option is selected)
UTF-8 encoding of the data constituting the result of the previous operation
HMAC-SHA hashing of the bytes obtained

This procedure can be summarised as follows:

HMAC-SHA256( UTF-8(Data), UTF-8(secretKey))

Example of computed Seal with a secret key equal to "secret123" and the Data field in POST format below:

captureDay=0|captureMode=AUTHOR_CAPTURE|currencyCode=978|merchantId=039000254447216|orderChannel=INTERNET|responseCode=00|transactionDateTime=2022-11-14T11:21:12+01:00|transactionReference=SIM20221114112037|keyVersion=1|acquirerResponseCode=00|amount=1000|authorisationId=664865|guaranteeIndicator=N|panExpiryDate=202401|paymentMeanBrand=VISA|paymentMeanType=CARD|customerIpAddress=10.78.106.18|maskedPan=############0600|holderAuthentRelegation=N|holderAuthentStatus=NOT_PARTICIPATING|tokenPan=490700h719850600|transactionOrigin=SIMS|paymentPattern=ONE_SHOT|customerMobilePhone=null|mandateAuthentMethod=null|mandateUsage=null|transactionActors=null|mandateId=null|captureLimitDate=20221114|dccStatus=null|dccResponseCode=null|dccAmount=null|dccCurrencyCode=null|dccExchangeRate=null|dccExchangeRateValidity=null|dccProvider=null|statementReference=null|panEntryMode=MANUAL|walletType=null|holderAuthentMethod=NO_AUTHENT_METHOD|holderAuthentProgram=3DS_V2|paymentMeanId=null|instalmentNumber=null|instalmentDatesList=null|instalmentTransactionReferencesList=null|instalmentAmountsList=null|settlementMode=null|mandateCertificationType=null|valueDate=null|creditorId=null|acquirerResponseIdentifier=null|acquirerResponseMessage=null|paymentMeanTradingName=null|additionalAuthorisationNumber=null|issuerWalletInformation=null|s10TransactionId=6|s10TransactionIdDate=20221114|preAuthenticationColor=null|preAuthenticationInfo=null|preAuthenticationProfile=null|preAuthenticationThreshold=null|preAuthenticationValue=null|invoiceReference=null|s10transactionIdsList=null|cardProductCode=F|cardProductName=VISA CLASSIC|cardProductProfile=C|issuerCode=00000|issuerCountryCode=GRC|acquirerNativeResponseCode=00|settlementModeComplement=null|preAuthorisationProfile=null|preAuthorisationProfileValue=null|preAuthorisationRuleResultList=[{"ruleCode":"VI","ruleType":"NG","ruleWeight":"I","ruleSetting":"S","ruleResultIndicator":"0","ruleDetailedInfo":"TRANS=1:3;CUMUL=24999:200000"},{"ruleCode":"RCode","ruleType":"RType","ruleWeight":"RWeight","ruleSetting":"RSetting","ruleResultIndicator":"RIndicator","ruleDetailedInfo":"DetailedInfo"}]|preAuthenticationProfileValue=null|preAuthenticationRuleResultList=null|paymentMeanBrandSelectionStatus=NOT_APPLICABLE|transactionPlatform=PROD|avsAddressResponseCode=null|avsPostcodeResponseCode=null|customerCompanyName=null|customerBusinessName=null|customerLegalId=null|customerPositionOccupied=null|paymentAttemptNumber=1|holderContactEmail=null|installmentIntermediateServiceProviderOperationIdsList=null|holderAuthentType=null|acquirerContractNumber=3863090010|secureReference=null|authentExemptionReasonList=null|paymentAccountReference=a667b63d8bec4fb980106497c53e4|schemeTransactionIdentifier=b4e683c1a6ff4a09a0415116a0a25b401d38c19d24e643078d|guaranteeLimitDateTime=null|paymentMeanDataProvider=null|virtualCardIndicator=N|cardProductUsageLabel=CREDIT|authorisationTypeLabel=TRANSACTION DE PAIEMENT|authorMessageReference=272612|acceptanceSystemApplicationId=142000000001|challengeMode3DS=null|issuingCountryCode=GRC|abortedProcessingStep=null|abortedProcessingLocation=null

The Seal you have to obtain is c946655cce0059124b4ad3eb62c0922c51a0a7d8d28a3cf223e4c0da41bbc5b9

Example of computed Seal with a secret key equal to "secret123" and the Data field in JSON format below:

{"keyVersion":1,"amount":44000,"captureDay":0,"captureMode":"AUTHOR_CAPTURE","currencyCode":"978","customerId":"40813","customerIpAddress":"213.118.246.190","merchantId":"225005049920001","orderAmount":44000,"orderChannel":"INTERNET","responseCode":"97","responseDescription":"Request time-out; transaction refused","transactionDateTime":"2023-03-15.00:39:04+0100","transactionReference":"dd88adfZ1027b40813f40813y1678837075","statementReference":"T7Ft4KKLRA2M11B9","s10TransactionId":"6","s10TransactionIdDate":"20230315","sealAlgorithm":"sha256","transactionPlatform":"PROD","paymentAttemptNumber":2,"preAuthorisationRuleResultList":[{"ruleCode":"VI","ruleType":"NG","ruleWeight":"I","ruleSetting":"S","ruleResultIndicator":"0","ruleDetailedInfo":"TRANS=1:3;CUMUL=24999:200000"},{"ruleCode":"RCode","ruleType":"RType","ruleWeight":"RWeight","ruleSetting":"RSetting","ruleResultIndicator":"RIndicator","ruleDetailedInfo":"DetailedInfo"}]}

The Seal you have to obtain is 77be1c230491c0d4eef6eaf910f635d42f55c90cd34c5a162c0ef6fcefb3f087

For the SHA-256 algorithm (although this is the default value, this algorithm is no longer recommended):

concatenation of the Data field and of the secret key (encoded if the corresponding option is selected)
UTF-8 encoding of the data constituting the result of the previous operation
SHA256 hashing of the bytes obtained

This procedure can be summarised as follows:

SHA256( UTF-8(Data+secretKey ) )

Example of computed Seal with a secret key equal to "secret123" and the Data field in POST format below:

captureDay=0|captureMode=AUTHOR_CAPTURE|currencyCode=978|merchantId=039000254447216|orderChannel=INTERNET|responseCode=00|transactionDateTime=2022-11-14T11:21:12+01:00|transactionReference=SIM20221114112037|keyVersion=1|acquirerResponseCode=00|amount=1000|authorisationId=664865|guaranteeIndicator=N|panExpiryDate=202401|paymentMeanBrand=VISA|paymentMeanType=CARD|customerIpAddress=10.78.106.18|maskedPan=############0600|holderAuthentRelegation=N|holderAuthentStatus=NOT_PARTICIPATING|tokenPan=490700h719850600|transactionOrigin=SIMS|paymentPattern=ONE_SHOT|customerMobilePhone=null|mandateAuthentMethod=null|mandateUsage=null|transactionActors=null|mandateId=null|captureLimitDate=20221114|dccStatus=null|dccResponseCode=null|dccAmount=null|dccCurrencyCode=null|dccExchangeRate=null|dccExchangeRateValidity=null|dccProvider=null|statementReference=null|panEntryMode=MANUAL|walletType=null|holderAuthentMethod=NO_AUTHENT_METHOD|holderAuthentProgram=3DS_V2|paymentMeanId=null|instalmentNumber=null|instalmentDatesList=null|instalmentTransactionReferencesList=null|instalmentAmountsList=null|settlementMode=null|mandateCertificationType=null|valueDate=null|creditorId=null|acquirerResponseIdentifier=null|acquirerResponseMessage=null|paymentMeanTradingName=null|additionalAuthorisationNumber=null|issuerWalletInformation=null|s10TransactionId=6|s10TransactionIdDate=20221114|preAuthenticationColor=null|preAuthenticationInfo=null|preAuthenticationProfile=null|preAuthenticationThreshold=null|preAuthenticationValue=null|invoiceReference=null|s10transactionIdsList=null|cardProductCode=F|cardProductName=VISA CLASSIC|cardProductProfile=C|issuerCode=00000|issuerCountryCode=GRC|acquirerNativeResponseCode=00|settlementModeComplement=null|preAuthorisationProfile=null|preAuthorisationProfileValue=null|preAuthorisationRuleResultList=[{"ruleCode":"VI","ruleType":"NG","ruleWeight":"I","ruleSetting":"S","ruleResultIndicator":"0","ruleDetailedInfo":"TRANS=1:3;CUMUL=24999:200000"},{"ruleCode":"RCode","ruleType":"RType","ruleWeight":"RWeight","ruleSetting":"RSetting","ruleResultIndicator":"RIndicator","ruleDetailedInfo":"DetailedInfo"}]|preAuthenticationProfileValue=null|preAuthenticationRuleResultList=null|paymentMeanBrandSelectionStatus=NOT_APPLICABLE|transactionPlatform=PROD|avsAddressResponseCode=null|avsPostcodeResponseCode=null|customerCompanyName=null|customerBusinessName=null|customerLegalId=null|customerPositionOccupied=null|paymentAttemptNumber=1|holderContactEmail=null|installmentIntermediateServiceProviderOperationIdsList=null|holderAuthentType=null|acquirerContractNumber=3863090010|secureReference=null|authentExemptionReasonList=null|paymentAccountReference=a667b63d8bec4fb980106497c53e4|schemeTransactionIdentifier=b4e683c1a6ff4a09a0415116a0a25b401d38c19d24e643078d|guaranteeLimitDateTime=null|paymentMeanDataProvider=null|virtualCardIndicator=N|cardProductUsageLabel=CREDIT|authorisationTypeLabel=TRANSACTION DE PAIEMENT|authorMessageReference=272612|acceptanceSystemApplicationId=142000000001|challengeMode3DS=null|issuingCountryCode=GRC|abortedProcessingStep=null|abortedProcessingLocation=null

The Seal you have to obtain is 8fb7c5b7e972ed5a279629757aeae9885cdfc1fd888e6fc03114064e94bb2bf4

Example of computed Seal with a secret key equal to "secret123" and the Data field in JSON format below:

{"keyVersion":1,"amount":44000,"captureDay":0,"captureMode":"AUTHOR_CAPTURE","currencyCode":"978","customerId":"40813","customerIpAddress":"213.118.246.190","merchantId":"225005049920001","orderAmount":44000,"orderChannel":"INTERNET","responseCode":"97","responseDescription":"Request time-out; transaction refused","transactionDateTime":"2023-03-15.00:39:04+0100","transactionReference":"dd88adfZ1027b40813f40813y1678837075","statementReference":"T7Ft4KKLRA2M11B9","s10TransactionId":"6","s10TransactionIdDate":"20230315","sealAlgorithm":"sha256","transactionPlatform":"PROD","paymentAttemptNumber":2,"preAuthorisationRuleResultList":[{"ruleCode":"VI","ruleType":"NG","ruleWeight":"I","ruleSetting":"S","ruleResultIndicator":"0","ruleDetailedInfo":"TRANS=1:3;CUMUL=24999:200000"},{"ruleCode":"RCode","ruleType":"RType","ruleWeight":"RWeight","ruleSetting":"RSetting","ruleResultIndicator":"RIndicator","ruleDetailedInfo":"DetailedInfo"}]}

The Seal you have to obtain is e9aa5be21186a9f9a417b82d1d450792851c849ccc8a2f85136897da29477975

Specifying the manual response URL

The main goal of the manual response is to redirect the customer to your website and specify the wallet management result.

The main Worldline Sips page includes the "Back" button with a link that redirects the customer to your website. Clicking on this button, the customer is redirected by Worldline Sips to the URL address included in the normalReturnUrl field provided in the request. The redirection is a HTTP(S) POST request that contains the data of the response. It is your responsibility to retrieve those paramaters and check the signature, thus ensuring the integrity of the response. Besides, you are in charge of displaying relevant messages to your customer (i.e. messages pertaining to the details of the response).

This normalReturnUrl field is also used for all payment results (cancellation, refusal, etc.) so as to perform the redirection to your site.

It is important to note that the receipt of the response cannot be guaranteed, since this response is sent by the customer’s Web browser. First, the customer may choose not to click on the link. Then he might encounter connection issues that block the transmission of this response. Therefore, your business processes cannot be based only on this response.

Specifying the automatic response URL

The automatic response is sent only if the automaticResponseUrl field was sent in the wallet management request. If that is the case, the Worldline Sips server sends a HTTP(S) POST response to the URL address received.

The fields of the automatic response are the same as those of the manual response. The only difference between both procedures is that the automatic response is sent directly by the Worldline Sips server and does not go through the customer's Web browser. Therefore, this response is much more reliable since it is always sent. The Worldline Sips server does not expect any response after the automatic response has been sent.

It is your responsibility to retrieve the various data of the response, check the signature to make sure the fields of the response have not been tampered with, and update your back office.

Choose response format : POST or JSON

From the interfaceVersion HP_3.0 Worldline Sips sends you the concatenated string of the response (Data field) in 2 distinct formats to choose :

The POST format

This POST format has the following structure : key1=value1|key2=value2…

POST response example with "pipe" separator between the data

merchantId=029000254447216|keyVersion=1|merchantWalletId=2|merchantSessionId=null|customerId=null|customerIpAddress=10.78.106.17
    |returnContext=null|walletCreationDateTime=2022-10-19T12:58:01+02:00|walletLastActionDateTime=2022-10-19T12:58:01+02:00
    |walletPaymentMeanDataList={paymentMeanId=1, paymentMeanAlias=cb, paymentMeanBrand=CB, maskedPan=############0400, panExpiryDate=202301, mandateId=null, transactionActors=null, paymentMeanBrandSelectionStatus=NOT_APPLICABLE}
    |customerCompanyName=null|customerBusinessName=null|customerLegalId=null|customerPositionOccupied=null

The JSON format

JSON format has the following structure : { "key1" : "value1", "key2" : "value2", …}

Note: JSON format easily displays a list or a collection of objects with the following structure : "clientList" : [ { "name" : "name1", "surname" : "surname1",… }, { "name" : "name2", "surname" : "surname2",… } ]

JSON response example


    {
  		"keyVersion":1,"customerIpAddress":"10.78.106.17","merchantId":"029000254447216","merchantWalletId":"2","walletCreationDateTime":"2022-10-19.12:58:01+0200",
        "walletLastActionDateTime":"2022-10-19.12:58:01+0200","sealAlgorithm":"sha256",
  		"walletPaymentMeanDataList":[
  		    {"paymentMeanId":"1","paymentMeanAlias":"cb","paymentMeanBrand":"CB","maskedPan":"############0400","panExpiryDate":"202301","paymentMeanBrandSelectionStatus":"NOT_APPLICABLE"}
  		]
	}

Default behaviour since the interfaceVersion HP_3.0

Format of the automatic and manual response is determined by the connector that was used during HTTPS exchanges between your website and Worldline Sips servers.

Tip: Here is a summary table of the mechanic between InterfaceVersion HP_3.0 / Connector called / Response Format

Interface Version	Connector	Response Format
WMR_WS_3.x	JSON	JSON (JS_3.x)
HP_3.x	POST	POST (HP_3.x)
WMR_WS_3.x	SOAP	POST (HP_3.x)

Choose response versions from the wallet management request

If you want to override this default behavior it is possible to fill in from the wallet management request the exact versions of the automatic and manual responses that you use.

The wallet management request field which allows to fill in the automatic response version is interfaceVersionAutomaticResponse

The wallet management request field which allows to fill in the manual response version is interfaceVersionNormalResponse

Attention: If versions entered in the request are incorrect, then the wallet management request fails (error code 30).

These two new fields interfaceVersionAutomaticResponse and interfaceVersionNormalResponse are optional but if one of both is filled in so the other one becomes mandatory. Otherwise, the wallet management request is failed (error code 12).

Solving response receipt issues

Below is a list of the most common issues that block the receipt of automatic and manual responses. Please make sure you have checked them before you call the technical support:

Make sure the response URLs are provided in the wallet management request and are valid. To do this, simply copy and paste them into the address bar of your browser.
The supplied URLs must be accessible from the outside, i.e. the Internet. Access control mechanisms (login/password or IP address filter) or a firewall might block access to your server.
Access to response URLs must be confirmed in the notifications report of your web browser.
If you use a non-standard port, it must be within the 80 to 9999 range to ensure compatibility with Worldline Sips.

In some error cases, the Worldline Sips Server is unable to sign the response message. This applies, for instance, to the "Unknown merchantID" error and to the situation where the secret key is unkwown to Worldline Sips. For these particular reasons, the payment server will send a response without a signature in the Seal field.

Retrieving response fields

The content of Sips Walletpage's automatic and manual web responses is identical.

The fields present in the automatic and manual responses are listed on this page.

Note: manual and automatic responses are encoded in base64 or in base64url.

Analysing the response to the wallet management request

If you carry out the authentication steps by means of an electronic seal, you should make sure the seal you received actually matches the seal you recomputed using the response fields.

In case the seal you received does not match the seal you recomputed, the wallet management session status is considered unknown, please contact the support.

Status	Response fields	Action to perform
Wallet management operation taken into account	walletLastActionDateTime populated with the current date and time walletPaymentMeanDataList contains the means of payment in the wallet after the update	Store the following wallet data in your customer database: paymentMeanAlias paymentMeanId paymentMeanBrand PanExpiryDate maskedPAN
Wallet management operation not taken into account	walletLastActionDateTime not populated with the current date and time walletPaymentMeanDataList contains the means of payment in the wallet	If the wallet must be updated, then submit a request again.

Status

Response fields

Action to perform

Wallet management operation taken into account

walletLastActionDateTime populated with the current date and time

walletPaymentMeanDataList contains the means of payment in the wallet after the update

Store the following wallet data in your customer database:

paymentMeanAlias
paymentMeanId
paymentMeanBrand
PanExpiryDate
maskedPAN

Wallet management operation not taken into account

walletLastActionDateTime not populated with the current date and time

walletPaymentMeanDataList contains the means of payment in the wallet

If the wallet must be updated, then submit a request again.

Step 3: testing in the simulation environment

Once you have developed the connection to Sips Walletpage, you can do a test on the Sips Walletpage simulation server.

URL de simu du serveur https://payment-webinit.simu.sips-services.com/rs-services/v2/walletManagementInit

To do the test, use the id depending on the identification mode you wish to use:

Table 1. **transactionReference** generated by the **merchant**
Field	Value
Merchant ID (merchantId)	002001000000001
Key Version (keyVersion)	1
Secret key (secretKey)	002001000000001_KEY1

Table 2. **transactionReference** generated by **Worldline Sips**
Field	Value
Merchant ID (merchantId)	002001000000002
Key Version (keyVersion)	1
Secret key (secretKey)	002001000000002_KEY1

Table 3. **transactionId** generated by the **merchant**
Field	Value
Merchant ID (merchantId)	002001000000003
Key Version (keyVersion)	1
Secret key (secretKey)	002001000000003_KEY1

Table 4. **transactionId** generated by **Worldline Sips**
Field	Value
Merchant ID (merchantId)	002001000000004
Key Version (keyVersion)	1
Secret key (secretKey)	002001000000004_KEY1

Note: in the simulation environment, all operations are simulated. There is no interaction with the wallet database when adding or deleting means of payment.

Testing the addition of cards into the wallet

If you want to save a card, you will be redirected to the card details entry page where you will enter the detailed information of your card.

The following simulation rules apply:

The PAN must be 15 to 19 digits long (depending on the means of payment used).
The first six digits of the PAN determine the type of card as per the table below.

Card type	Card number beginning with
AMEX	340000
VPAY	400000
VISA	410000
CB	420000
CB-VISA co-branded cards	430000
CB-VPAY co-branded cards	440000
CB-VISA_ELECTRON co-branded cards	450000
VISA-MASTERCARD co-branded cards	460000
MASTERCARD	510000
MAESTRO	500000
CB-MASTERCARD co-branded cards	520000
CB-MAESTRO co-branded cards	530000

you can simulate the successful or failed addition of a card by choosing from all response codes (see the Data Dictionary) and changing the last two digits. Only the answer code '00' simulates a successful addition.

Example : if you use card number 4100 0000 0000 0005, the card is identified as VISA and the addition is not made (response code Worldline Sips 05).

Note: co-branded cards can be used with each of the brands specified in the table.

Moreover, all cards are enrolled in the 3-D Secure programme. You are redirected to the 3-D Secure simulation server where you choose the desired result for 3-D authentication.

Step 4: validating the switch to the production environment

Once you have tested your website connection to Sips Walletpage JSON, you can validate the connection to the production version of Sips Walletpage JSON.

Prior to this, we recommend you block public access to your website to prevent customers from carrying out transactions during this validation phase.

If you would like to customise your payment pages, you can use our CustomPages tool to test and view the rendering on payment pages. To do so, please refer to the CustomPages documentation to use the tool.

To switch to the production server, you must change the URL in order to connect to the Worldline Sips production server using the merchantId, secretKey and keyVersion credentials you received during the registration phase.

Worldline Sips URL	https://payment-webinit.sips-services.com/rs-services/v2/walletManagementInit
merchantId	Shop identifier received by e-mail
SecretKey	Secret key you can retrieve from the Sips Download extranet
keyVersion	Secret key version retrieved from Sips Download (obviously 1 for the first key)

Attention: forgetting one of these 4 parameters is a common mistake that systematically results in an error.

How to validate proper functioning in the production environment

Initiate a wallet by adding a first card into it.
Make sure the wallet has been created.
Add a second card into an existing wallet if you have subscribed to the multi-card option.
Make sure the second card has been added.

Step 5: launching live operation

Once the validation for the transition to live operation has been carried out, make your site public so your customers can add means of payment to their wallets.

Need help?

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