TWINT

This chapter will handle all specifics involved with the integration of the payment method TWINT.
 Requirements
A corresponding license and thus a valid identification with a username and password for the Saferpay system.
At least one active Saferpay terminal via which payment can be carried out and the associated Saferpay TerminalId.
A valid TWINT contract
Supported features
Feature
Support
​Capture/Cancel​
✅
​Needs attention!​
Multipart Captures
❌
​Batch Close​
✅
Secure Card Data
✅
​Needs attention!​
​Refunds​
✅
​Needs attention!​
Recurring Payments
✅
​Needs attention!​
3D Secure
❌
Dynamic Currency Conversion (DCC)
❌
Mail Phone Order
❌
​Testing​
✅
Omni-Channel
❌
Integration
The general integration of TWINT can be done via the Payment Page -However other features require a different path. See further down in this chapter- and requires the following things to be noted:
JSON API Version 1.7 or later.
Unlike normal credit card transactions, where a capture could be attempted after the normal reservation time, TWINT does only offer a maximum timeframe of 7 days! After that the transaction will be discarded and a capture will not initiate the money-transfer with the next batch-close, so make sure, to capture your transactions within this time limit!
Due to processing limitations, a refund can fail, if it is executed earlier than two hours after the initial transaction. The initial transaction needs to be processed first, until a refund can be executed, which happens within said two hours!
The notification URLs, inside theNotification conatiner are mandatory, in order to avoid missing payment successes. See the Payment Page process for further information.
User on file
Twint User on File saves Twint payment means inside the Saferpay Secure Card Data Store, allowing you to execute subsequent/recurring transactions on a users Twint account.
Requirements
The following requirements are to be met, if Twint User on File is to be used, aside the normal requirements:
A Saferpay Business License.
A license for Saferpay Secure Card Data, which is usually included in Saferpay Business!
The activation of User on File for your contract. Please contact your contractual manager, if you need this feature enabled!
JSON API Version 1.14 or later
Twint User on File is only available via the Standalone Secure Card Data registration and requires Saferpay Business, so the card data may be used! Furthermore, the Twint aliases may only be used with Authorize Direct.
Alias Insert
The registration is done via the Saferpay Alias Store. Within the Alias Insert Request, you need to specify the parameter Type with the value TWINT, which signals, that you want to save Twint payment means.
Request
Response
{
  "RegisterAlias": {
    "IdGenerator": "RANDOM_UNIQUE"
  },
  "Type": "TWINT",
  "LanguageCode": "en",
  "RequestHeader": {
    "SpecVersion": "1.25",
    "CustomerId": "242225",
    "RequestId": "5f543be575b3f3ecff3214257ac6978a",
    "RetryIndicator": 0,
    "ClientInfo": {
      "ShopInfo": "My Shop",
      "OsInfo": "Windows Server 2013"
    }
  },
  "ReturnUrls": {
    "Success": "https://www.myshop.com/success",
    "Fail": "https://www.myshop.com/fail",
    "Abort": "https://www.myshop.com/abort"
  }
}
{
  "ResponseHeader": {
    "SpecVersion": "1.25",
    "RequestId": "5f543be575b3f3ecff3214257ac6978a"
  },
  "Token": "y6678qfw3dm9pule1inqkpr1o",
  "Expiration": "2019-11-15T14:39:16.642+01:00",
  "Redirect": {
    "RedirectUrl": "https://test.saferpay.com/vt2/api/register/twint/242225/y6678qfw3dm9pule1inqkpr1o",
    "PaymentMeansRequired": true
  }
}
Redirect to TWINT
The RedirectUrl then needs to be opened inside an iFrame, as a redirect, or lightbox. Saferpay will then present the following screen.
(click to enlarge)
Redirect to Shop
Once this process is done, the user gets redirected towards one of the previously defined ReturnUrls, depending on the outcome.
Alias Assert Insert
The merchant system then needs to execute the Alias Assert Insert Request, in order to gather the alias and other important payment mean details.
Request
Response
{
  "Token": "67tdpr8keb3ky3y6728kqv4gk",
  "RequestHeader": {
    "SpecVersion": "1.14",
    "CustomerId": "242225",
    "RequestId": "22c449e9cb06a227491c0f18532d9ef1",
    "RetryIndicator": 0,
    "ClientInfo": {
      "ShopInfo": "My Shop",
      "OsInfo": "Windows Server 2013"
    }
  }
}
{
  "ResponseHeader": {
    "SpecVersion": "1.14",
    "RequestId": "22c449e9cb06a227491c0f18532d9ef1"
  },
  "Alias": {
    "Id": "a2f4d6390bdf5ba4ed9d0c0f2318bc2b",
    "Lifetime": 1000
  },
  "PaymentMeans": {
    "Brand": {
      "PaymentMethod": "TWINT",
      "Name": "TWINT"
    },
    "Twint": {
      "CertificateExpirationDate": "2020-12-15T13:18:08.000+01:00"
    }
  }
}
 One speciality with Twint User on File is, the Twint.CertificateExpirationDate parameter. Each registered Twint payment mean, will have its own expiration date within the Twint system, which does not correspond with the Saferpay Alias Lifetime! The parameter will return the expiration date of this registration certificate. Once it has passed, the Twint alias becomes invalid.
Furthermore note, that using RANDOM_UNIQUE will always return the already existing alias, even if it is expired on Twint side. While it can serve as a mean to filter out already existing customers and thus help preventing double-registrations, you must keep this in mind. Should you get a rejection saying, that the alias has expired on Twint side, you must first delete the old alias, before your customer can re-register.
Using the Alias
Once you have obtained the alias, you can go ahead and execute your recurring/subsequent transaction using the Transaction AuthorizeDirect request. The alias is set within the PaymentMeans.Alias container, but remember, that this transaction, like all Twint transactions, also must be captured for the money to flow.
Testing
Please refer to this chapter, if you want to test TWINT.
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UnionPay
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Requirements
Supported features
Integration
User on file
Testing