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Sofort for API only

Add Sofort to an existing API-only integration.

Accept Sofort payments using our APIs, and build your own payment form to have full control over the look and feel of your checkout page.

Before you begin

These instructions explain how to add Sofort to your existing API-only integration. The API-only integration works the same way for all payment methods. If you haven't done this integration yet, refer to our API-only integration guide.

Before starting your Sofort integration:

  1. Make sure that you have set up your back end implementation.
  2. Add Sofort in your test Customer Area.

Build your payment form for Sofort

Include Sofort in the list of available payment methods. You don't need to collect any information from the shopper in your payment form.

We provide logos for Sofort which you can use on your payment form. For more information, refer to Downloading logos.

If you are using the /paymentMethods request to show available payment methods to the shopper, specify in your request one of the following combinations of countryCode and amount.currency:

Country countryCode amount.currency
Austria AT EUR
Belgium BE EUR
Germany DE EUR
Italy * IT EUR
Poland * PL PLN
Spain * ES EUR
Switzerland CH CHF
The Netherlands * NL EUR
United Kingdom * GB GBP

* If you want to offer Sofort in these countries, contact our Support Team.

The /paymentMethods response contains paymentMethod.type: directEbanking.

We provide logos for Sofort which you can use on your payment form. For more information, refer to Downloading logos.

Make a payment

In your /payments request, specify:

  • paymentMethod.type: directEbanking
  • returnUrl: URL to where the shopper should be redirected back to after they complete the payment.
curl https://checkout-test.adyen.com/v64/payments \
-H "x-API-key: YOUR_X-API-KEY" \
-H "content-type: application/json" \
-d '{
  "merchantAccount":"YOUR_MERCHANT_ACCOUNT",
  "reference":"YOUR_ORDER_NUMBER",
  "amount":{
    "currency":"EUR",
    "value":1000
  },
  "paymentMethod":{
    "type":"directEbanking"
  },
  "returnUrl":"https://your-company.com/checkout?shopperOrder=12xy.."
}'
# Set your X-API-KEY with the API key from the Customer Area.
adyen = Adyen::Client.new
adyen.api_key = "YOUR_X-API-KEY"
 
response = adyen.checkout.payments({
  :amount => {
    :currency => "EUR",
    :value => 1000
  },
  :reference => "YOUR_ORDER_NUMBER",
  :paymentMethod => {
    :type => "directEbanking"
  },
  :returnUrl => "https://your-company.com/checkout?shopperOrder=12xy..",
  :merchantAccount => "YOUR_MERCHANT_ACCOUNT"
})
// Set YOUR_X-API-KEY with the API key from the Customer Area.
// Change to Environment.LIVE and add the Live URL prefix when you're ready to accept live payments.
    Client client = new Client("YOUR_X-API-KEY", Environment.TEST);
    Checkout checkout = new Checkout(client);

    PaymentsRequest paymentsRequest = new PaymentsRequest();

    String merchantAccount = "YOUR_MERCHANT_ACCOUNT";
    paymentsRequest.setMerchantAccount(merchantAccount);

    Amount amount = new Amount();
    amount.setCurrency("EUR");
    amount.setValue(15000L);
    paymentsRequest.setAmount(amount);

    DefaultPaymentMethodDetails paymentMethodDetails = new DefaultPaymentMethodDetails();
    paymentMethodDetails.setType("directEbanking");
    paymentsRequest.setPaymentMethod(paymentMethodDetails);

    paymentsRequest.setReference("YOUR_ORDER_NUMBER");
    paymentsRequest.setReturnUrl("https://your-company.com/checkout?shopperOrder=12xy..");

    PaymentsResponse paymentsResponse = checkout.payments(paymentsRequest);
// Set your X-API-KEY with the API key from the Customer Area.
$client = new \Adyen\Client();
$client->setXApiKey("YOUR_X-API-KEY");
$service = new \Adyen\Service\Checkout($client);

$params = array(
  "amount" => array(
    "currency" => "EUR",
    "value" => 1000
  ),
  "reference" => "YOUR_ORDER_NUMBER",
  "paymentMethod" => array(
    "type" => "directEbanking"
  ),
  "returnUrl" => "https://your-company.com/checkout?shopperOrder=12xy..",
  "merchantAccount" => "YOUR_MERCHANT_ACCOUNT"
);
$result = $service->payments($params);
#Set your X-API-KEY with the API key from the Customer Area.
adyen = Adyen.Adyen()
adyen.client.xapikey = 'YOUR_X-API-KEY'

result = adyen.checkout.payments({
   'amount': {
      'value': 1000,
      'currency': 'EUR'
   },
   'reference': 'YOUR_ORDER_NUMBER',
   'paymentMethod': {
      'type': 'directEbanking'
   },
   'returnUrl': 'https://your-company.com/checkout?shopperOrder=12xy..',
   'merchantAccount': 'YOUR_MERCHANT_ACCOUNT'
})
// Set your X-API-KEY with the API key from the Customer Area.
var client = new Client ("YOUR_X-API-KEY", Environment.Test);
var checkout = new Checkout(client);

var amount = new Model.Checkout.Amount("EUR", 1000);
var details = new Model.Checkout.DefaultPaymentMethodDetails{
  Type = "directEbanking"
};
var paymentRequest = new Adyen.Model.Checkout.PaymentRequest
{
  Reference = "YOUR_ORDER_NUMBER",
  Amount = amount,
  ReturnUrl = @"https://your-company.com/checkout?shopperOrder=12xy..",
  MerchantAccount = "YOUR_MERCHANT_ACCOUNT",
  PaymentMethod = details
};

var paymentResponse = checkout.Payments(paymentsRequest);
// Set your X-API-KEY with the API key from the Customer Area.
const {Client, Config, CheckoutAPI} = require('@adyen/api-library');
const config = new Config();
// Set your X-API-KEY with the API key from the Customer Area.
config.apiKey = '[API_KEY]';
config.merchantAccount = '[YOUR_MERCHANT_ACCOUNT]';
const client = new Client({ config });
client.setEnvironment("TEST");
const checkout = new CheckoutAPI(client);
checkout.payments({
    amount: { currency: "EUR", value: 1000 },
    paymentMethod: {
        type: 'directEbanking'
    },
    reference: "YOUR_ORDER_NUMBER",
    merchantAccount: config.merchantAccount,
    returnUrl: "https://your-company.com/checkout?shopperOrder=12xy.."
}).then(res => res);

The /payments response contains:

  • action.url: Link to where you should redirect your shopper.
  • action.method: GET or POST. The HTTP request method that you should use. After the shopper completes the payment, they will be redirected back to your returnURL using the same method.
    The redirect method depends on your payment method configuration and the length of the data included in the request, so make sure that your integration can handle both HTTP GET and HTTP POST methods.

To verify the payment result in the next step, you also need the following from the /payments response:

  • action.paymentData: The paymentData value that you send in your /payments/details request.
  • details: Array of parameters that you need to send in your /payments/details request. For example, payload or redirectResult.
    The parameters can vary based on the payment method configuration. Always check the details array for the parameters that you need to send in your next API request.
/payments response
{
   "resultCode":"RedirectShopper",
   "action":{
      "method":"GET",
      "paymentData":"Ab02b4c0!BQABAgCSZT7t...",
      "paymentMethodType":"directEbanking",
      "type":"redirect",
      "url":"https://test.adyen.com/hpp/skipDetails.shtml?brandCode"
   },
   "details":[
      {
         "key":"payload",
         "type":"text"
      }
   ],
   ...
}

Handle the redirect

To complete a Sofort payment, redirect the shopper to Sofort.

  1. To complete the payment, redirect the shopper to the action.url returned in the /payments response.
    When using the HTTP GET method:
    For security reasons, when displaying the redirect in the app, we recommend that you use SFSafariViewController for iOS or Chrome Custom Tabs for Android, instead of WebView objects. Also refer to the security best practices for WebView.
  2. After the shopper is redirected back to your website or app, check the payment result by making a /payments/details request, specifying:
    • paymentData: Value you received in the /payments response.
    • details: Object that contains the URL-decoded values of the parameters that were returned when the shopper was redirected back to your website or app. For example, payload. To check the parameters that you should submit, refer to the details array that you received in the /payments response.
    /payments/details request
    {
         "paymentData":"Ab02b4c0!BQABAgCJN1wRZuGJmq8dMncmypvknj9s7l5Tj...",
         "details":{
           "{hint:Verify the parameters from /payments response}payload{/hint}":"Ab02b4c0!BQABAgCW5sxB4e/=="
         }
    }
    You receive a response containing:
    • resultCode: Use this to present the result to your shopper.
    • pspReference: Our unique identifier for the transaction.
    /payments/details response
     {
       "resultCode": "Authorised",
       "pspReference": "88154795347618C"
     }

Present the payment result

Use the resultCode that you received in the /payments/details response to present the payment result to your shopper.

The resultCode values you can receive for Sofort are:

resultCode Description Action to take
Authorised The shopper completed their payment, and it has been sent to the bank for processing. In most cases, this means that you will receive the funds.
For information on exceptions, refer to Chargebacks.
Inform the shopper that the payment has been successful.
Cancelled The shopper cancelled the payment while on their bank's website. Ask the shopper whether they want to continue with the order, or ask them to select a different payment method.
Error There was an error when the payment was being processed. Inform the shopper that there was an error processing their payment. The response contains a refusalReason, indicating the cause of the error.
Pending or
Received
The shopper has completed the payment but the final result is not yet known. Inform the shopper that you've received their order, and are waiting for the payment to be completed.
You will receive the final result of the payment in an AUTHORISATION notification.
Refused The payment was refused by the shopper's bank. Ask the shopper to try the payment again using a different payment method.

If the shopper failed to return to your website or app, wait for notification webhooks to know the outcome of the payment:

eventCode success field Description Action to take
AUTHORISATION false The transaction failed. Cancel the order and inform the shopper that the payment failed.
AUTHORISATION true The shopper successfully completed the payment. Inform the shopper that the payment has been successful and proceed with the order.

Recurring payments

We support recurring transactions for Sofort through SEPA Direct Debit. To make recurring payments, you need to:

  1. Create a shopper token.
  2. Use the token to make future payments for the shopper.

Create a token

We strongly recommend that you request explicit permission from the shopper if you intend to make recurring SEPA payments. Being transparent about the payment schedule and the charged amount reduces the risk of chargebacks.

To create a token, include in your /payments request:

  • storePaymentMethod: true
  • shopperReference: Your unique identifier for the shopper.

When the payment has been settled, you receive a webhook notification containing:

  • eventCode: RECURRING_CONTRACT
  • originalReference: The pspReference of the initial payment.
  • pspReference: This is the token that you need to make recurring payments for this shopper.

Make a payment with a token

To make a payment with the token, include in your /payments request:

  • paymentMethod.storedPaymentMethodId: The pspReference from the RECURRING_CONTRACT.
You can also get this value by using the /listRecurringDetails endpoint.
  • shopperReference: The unique shopper identifier that you specified when creating the token.
  • shopperInteractionContAuth.
  • recurringProcessingModel: Subscription or UnscheduledCardOnFile.

For more information about the shopperInteraction and recurringProcessingModel fields, refer to Recurring transaction types.

curl https://checkout-test.adyen.com/v64/payments \
-H "x-API-key: YOUR_X-API-KEY" \
-H "content-type: application/json" \
-d '{
       "amount":{
          "value":1000,
          "currency":"EUR"
       },
       "paymentMethod":{
          "type":"sepadirectdebit",
          "recurringDetailReference":"7219687191761347"
       },
       "reference":"YOUR_ORDER_NUMBER",
       "merchantAccount":"YOUR_MERCHANT_ACCOUNT",
       "shopperReference":"YOUR_UNIQUE_SHOPPER_ID_IOfW3k9G2PvXFu2j",
       "shopperInteraction":"ContAuth",
       "recurringProcessingModel": "Subscription"
}'
# Set your X-API-KEY with the API key from the Customer Area.
adyen = Adyen::Client.new
adyen.api_key = "YOUR_X-API-KEY"
 
response = adyen.checkout.payments({
  :amount => {
    :currency => "EUR",
    :value => 1000
  },
  :reference => "YOUR_ORDER_NUMBER",
  :paymentMethod => {
    :type => "sepadirectdebit",
    :recurringDetailReference => "7219687191761347"
  },
  :returnUrl => "https://your-company.com/checkout?shopperOrder=12xy..",
  :shopperReference => "YOUR_UNIQUE_SHOPPER_ID_IOfW3k9G2PvXFu2j",
  :merchantAccount => "YOUR_MERCHANT_ACCOUNT",
  :shopperInteraction => "ContAuth",
  :recurringProcessingModel => "Subscription"
})
// Set YOUR_X-API-KEY with the API key from the Customer Area.
// Change to Environment.LIVE and add the Live URL prefix when you're ready to accept live payments.
Client client = new Client("YOUR_X-API-KEY", Environment.TEST);
Checkout checkout = new Checkout(client);

PaymentsRequest paymentsRequest = new PaymentsRequest();

String merchantAccount = "YOUR_MERCHANT_ACCOUNT";
paymentsRequest.setMerchantAccount(merchantAccount);

Amount amount = new Amount();
amount.setCurrency("EUR");
amount.setValue(15000L);
paymentsRequest.setAmount(amount);

DefaultPaymentMethodDetails paymentMethodDetails = new DefaultPaymentMethodDetails();
paymentMethodDetails.setRecurringDetailReference("7219687191761347");
paymentMethodDetails.setType("sepadirectdebit");
paymentsRequest.setPaymentMethod(paymentMethodDetails);

paymentsRequest.setReference("YOUR_ORDER_NUMBER");
paymentsRequest.setReturnUrl("https://your-company.com/checkout?shopperOrder=12xy..");
paymentsRequest.setShopperInteraction("ContAuth");
paymentsRequest.setRecurringProcessingModel("Subscription");

PaymentsResponse paymentsResponse = checkout.payments(paymentsRequest);
// Set your X-API-KEY with the API key from the Customer Area.
$client = new \Adyen\Client();
$client->setXApiKey("YOUR_X-API-KEY");
$service = new \Adyen\Service\Checkout($client);

$params = array(
  "amount" => array(
    "currency" => "EUR",
    "value" => 1000
  ),
  "reference" => "YOUR_ORDER_NUMBER",
  "paymentMethod" => array(
    "type" => "sepadirectdebit",
    "recurringDetailReference" => "7219687191761347"
  ),
  "returnUrl" => "https://your-company.com/checkout?shopperOrder=12xy..",
  "shopperReference" => "YOUR_UNIQUE_SHOPPER_ID_IOfW3k9G2PvXFu2j",
  "recurringProcessingModel" => "Subscription",
  "shopperInteraction" => "ContAuth",
  "merchantAccount" => "YOUR_MERCHANT_ACCOUNT"
);
$result = $service->payments($params);
#Set your X-API-KEY with the API key from the Customer Area.
adyen = Adyen.Adyen()
adyen.client.xapikey = 'YOUR_X-API-KEY'

result = adyen.checkout.payments({
   'amount': {
      'value': 1000,
      'currency': 'EUR'
   },
   'reference': 'YOUR_ORDER_NUMBER',
   'paymentMethod': {
      'type': 'sepadirectdebit',
      'recurringDetailReference': '7219687191761347'
   },
   'returnUrl': 'https://your-company.com/checkout?shopperOrder=12xy..',
   'shopperReference': 'YOUR_UNIQUE_SHOPPER_ID_IOfW3k9G2PvXFu2j'
   'merchantAccount': 'YOUR_MERCHANT_ACCOUNT',
   'shopperInteraction':'ContAuth',
   'recurringProcessingModel': 'Subscription'
})
// Set your X-API-KEY with the API key from the Customer Area.
var client = new Client ("YOUR_X-API-KEY", Environment.Test);
var checkout = new Checkout(client);

var amount = new Model.Checkout.Amount("EUR", 1000);
var details = new Model.Checkout.DefaultPaymentMethodDetails{
  Type = "sepadirectdebit",
  RecurringDetailReference = "7219687191761347"
};
var paymentsRequest = new Model.Checkout.PaymentRequest
{
  Reference = "YOUR_ORDER_NUMBER",
  Amount = amount,
  ReturnUrl = @"https://your-company.com/checkout?shopperOrder=12xy..",
  MerchantAccount = "YOUR_MERCHANT_ACCOUNT",
  ShopperReference = "YOUR_UNIQUE_SHOPPER_ID_IOfW3k9G2PvXFu2j",
  RecurringProcessingModel = "Subscription",
  ShopperInteraction = "ContAuth",
  PaymentMethod = details
};

var paymentResponse = checkout.Payments(paymentsRequest);
// Set your X-API-KEY with the API key from the Customer Area.
const {Client, Config, CheckoutAPI} = require('@adyen/api-library');
const config = new Config();
// Set your X-API-KEY with the API key from the Customer Area.
config.apiKey = '[API_KEY]';
config.merchantAccount = '[YOUR_MERCHANT_ACCOUNT]';
const client = new Client({ config });
client.setEnvironment("TEST");
const checkout = new CheckoutAPI(client);
checkout.payments({
    amount: { currency: "EUR", value: 1000 },
    paymentMethod: {
        type: 'sepadirectdebit',
        recurringDetailReference: "7219687191761347"
    },
    reference: "YOUR_ORDER_NUMBER",
    merchantAccount: config.merchantAccount,
    shopperReference: "YOUR_UNIQUE_SHOPPER_ID_IOfW3k9G2PvXFu2j",
    returnUrl: "https://your-company.com/checkout?shopperOrder=12xy..",
    shopperInteraction: "ContAuth",
    recurringProcessingModel: "Subscription"
}).then(res => res);

Chargebacks

In extremely rare scenarios (around 0.2% of all cases), it can happen that you will not receive the funds, even after receiving a successful AUTHORISATION notification. The successful AUTHORISATION notification means that the payment has passed the verifications that Sofort runs on the shopper account, and that the bank transfer was initiated successfully. The payment could still fail at this point, for example because:  

  • The shopper cancelled the transaction.  A number of German banks offer shoppers the possibility to cancel bank transfers until midnight of the day of the transaction. In Switzerland, banks are required by law to allow shoppers to reverse bank transfers for 48 hours. 
  • Some banks process transactions with a delay. For example, if the shopper completes a Sofort payment on a Saturday, the bank might only process it on Monday. If the shopper has withdrawn sufficient funds in the meantime, the payment will fail. 

In case of the above scenarios, Adyen is not informed about the transaction having failed. This means that we do not know whether the transaction has failed, or whether the bank might still process it later. 

On our side, the status of the payment is SentForSettle until we receive the funds. You can check the status of the payment in your Customer Area.

If we have not received the funds after 8 business days, the status of the payment becomes Settled, then Chargeback, and you will receive a CHARGEBACK notification. In case we receive the money after this point, you will receive a CHARGEBACK_REVERSED notification. 

Test and go live

Sofort does not have a specialized test environment. This means that you are redirected to the Sofort live environment even when making a payment from the Adyen test environment.
To test your integration, use the following details: 

Bank Name Account Number Country PIN TAN
DemoBank Use any value DE Use any value Follow the instructions
Using a different account number (live data) will initiate a real payment. This payment will not be transferred to your account, and is therefore lost. It is not possible to reverse or refund this payment.

To check the status of a Sofort test payment, go to your Customer Area > Transactions > Payments.

See also