Overlay

<?php

// Need to enter your payment access key value here
$payment_access_key  = '###YOUR_PAYMENT_ACCESS_KEY###';

// Now, have to encode the $payment_access_key value with the base64 encode
$encoded_data 		 = base64_encode($payment_access_key);

// Action Endpoint 
$endpoint            = 'https://payport.novalnet.de/v2/seamless/payment';

// Build the Headers array
$headers = [

	// The Content-Type should be "application/json"
	'Content-Type:application/json', 
	
	// The charset should be "utf-8"
	'Charset:utf-8', 
	
	// Optional
	'Accept:application/json', 
	
	// The formed authenticate value (case-sensitive)
	'X-NN-Access-Key:' . $encoded_data
];

$data = [];

// Build Merchant Data
$data['merchant'] = [

	// Your API signature value
    'signature' => '###YOUR_API_SIGNATURE###', 
    
    // Your corresponding tariff ID
    'tariff'    => '###YOUR_TARIFF_ID###'
];

// Build Customer Data
$data['customer'] = [

	// Shopper's first name
    'first_name'  => 'Max',
    
     // Shopper's last name
    'last_name'   => 'Mustermann', 
    
    // Shopper's email
    'email'       => '###YOUR_MAIL###', 

    // Shopper's Ip address
    'customer_ip' => '###CUSTOMER_IP###',
    
    // Shopper's customer number from the shop
    'customer_no' => '###CUSTOMER_NUMBER###',
    
    // Shopper's Telephone number
    'tel'         => '+49 089 123456',
    
    // Shopper's Mobile number 
    //'mobile'      => '+49 174 7781423',
    
    // Shopper's birthdate value YYYY-MM-DD - Decomment it based on your usage
    'birth_date'  => '1992-06-10', 
    
    // Shopper's gender - Decomment it based on your usage
    // 'gender'      => 'u',

    // Shopper's company vat ID value - Decomment it based on your usage
    // 'vat_id'      => 'DE123456', 
    
    // Shopper's company regestration number - Decomment it based on your usage
    // 'reg_no'      => 'HRB1234', 
    
    // Shopper's company tax ID value - Decomment it based on your usage
    // 'tax_id'      => '123/123/123',
    
    // Shopper's session value - Decomment it based on your usage
    // 'session'     => 'fedgrgst5653653hdgfsvgdsf622627e', 
    
    // Shopper's fax number - Decomment it based on your usage
    // 'fax'         => '+49 89 654321', 
    
    
    // Shopper's billing address
    'billing'     => [
    
		// House number
		'house_no'     => '2',
		
		// Street
		'street'       => 'Musterstr',
		
		// City
		'city'         => 'Musterhausen',
		
		// zip
		'zip'          => '12345',
		
		// Country's ISO code
		'country_code' => 'DE',		
        
		// State
        // 'state'      => 'Berlin',
        
		// Name of the company - Decomment it based on your usage
        // 'company'      => 'ABC GmbH'
    ],
    
    /* Optional child object - Decomment it based on your usage
    'shipping' => [
    
        // Pass this parameter if the billing and the shipping address are identical 
		'same_as_billing' => '1',
    
		// First name
        'first_name'    => 'Norbert',
        
        // Last name
        'last_name'     => 'Maier',
        
        // Email
        'email'         => '###YOUR_MAIL###',
    
        // Street
		'street'        => 'Hauptstr',
    
		// House number
		'house_no'      => '9',
		
		// City
		'city'          => 'Kaiserslautern',
		
		// zip
		'zip'           => '66862',
		
		// Country's ISO code
		'country_code'  => 'DE',
        
        // Telephone number
        'tel'           => '+49 089 123456',
        
        // Name of the company
        'company'       => 'A.B.C. Gerüstbau GmbH',
        
        // Mobile number
        'mobile'        => '+49 174 7781423',
        
		// State
        'state'      => 'Berlin'
    ]
    */
];

// Build Transaction Data
$data['transaction'] = [

	// The Payment type of the transaction
    //'payment_type'     => '###PAYMENT_TYPE###',
    
    // The transaction amount in smaller currency unit 
    // For the predefined tariff, amount is not required to be passed explicitly
    'amount'           => '###TRANSACTION_AMOUNT###',
    
    // The transaction currency's ISO code
    // For the predefined tariff, currency is not required to be passed explicitly
    'currency'         => '###TRANSACTION_CURRENCY###',
    
    // The mode of the transaction
    'test_mode'        => '###TEST_MODE###',
    
    // The order number of the transaction
    'order_no'         => '###TRANSACTION_ORDER_NUMBER###',
    
    // Need to be specify this for the Redirect payment types to which you need to redirect on SUCCESS
    'return_url'       => '###YOUR_RETURN_URL###',
    
    // Need to be specify this for the Redirect payment types to which you need to redirect on FAILURE (optional)
    'error_return_url' => '###YOUR_ERROR_RETURN_URL###',
    
    // The Notify URL value for this particular transaction
    'hook_url'         => '###HOOK_URL###',   
    
    // The flag to create the token for the payment data - Decomment it based on your usage
     'create_token'     => 1,
    
    // Build Payment Data - Decomment it based on your usage
    /*
    'payment_data'     => [
		// Build your payment data based on your selected payment type
		'token' => '###TOKEN###'
    ]
    */
];

// Hosted Payment page customizations
$data['hosted_page'] = [

	// Change logo in the Hosted payment page
	'logo'             => '###YOUR_SHOP_LOGO###',

	// Change the styling of the Hosted payment page - Decomment it based on your usage
	// 'css_url'             => '###YOUR_CSS_URL###',
		
	// Payment types to be displayed in the Hosted Payment Page
	// 'display_payments' => ['CREDITCARD', 'DIRECT_DEBIT_SEPA', 'INVOICE', 'IDEAL',   'PAYPAL'],

     // Payment types to be hidden in the Hosted Payment Page - Used when necessary and display_payments when not in use 
     'hide_payments'    => ['PRZELEWY24', 'DIRECT_DEBIT_ACH', 'BLIK'],
	
	// Hide the following sections from the Hosted Payment Page
	'hide_blocks' 	   => ['ADDRESS_FORM', 'SHOP_INFO', 'LANGUAGE_MENU', 'HEADER', 'TARIFF'],
	
	// Customize the display of the following pages
	'skip_pages'	   => ['CONFIRMATION_PAGE', 'SUCCESS_PAGE', 'PAYMENT_PAGE'],
];

/* 
// Subscription Data, used for processing Novalnet`s subscription - Optional object - Decomment it based on your usage
$data['subscription'] = [

    // The interval between each cycle
    'interval'       => '1m',

    // Subscription trial interval if applicable
    'trial_interval' => '3m',

    // Subscription trial interval amount if applicable
    'trial_amount'   => '150',
];
*/

/* 
// Marketplace data, used for the affiliate`s marketplace model - Optional object - Decomment it based on your usage
$data['marketplace'] = [

	// To submit amount for several affiliates to be booked
	'tx_split' => [
		'2261' => '20',
		'2271' => '30',
	],  
];
*/

/*
// Affiliate Data, used for the affiliate`s revenue split model - Optional object - Decomment it based on your usage
$data['affiliate'] = [
	
	// To submit shares for several affiliates for the same transaction
	'subvendors'=> [
		'2261' => '20',
		'2271' => '30'
	]
];
*/

// Custom Data - Optional object - Decomment it based on your usage
$data['custom'] = [
	
	// Shopper's selected language in shop
	'lang'      => 'EN',
	
	// Custom parameter's key
	//'input1'    => 'your internal reference parameter name',
	
	// Custom parameter's value
	//'inputval1' => 'your internal reference parameter value',
];

/*
// Invoicing Data, used for the additional invoicing service - Optional data object - Decomment it based on your usage) 
$data['invoicing'] = [

    // Overall invoice tax percent should mentioned here
    'tax_percent'      => 2,
                       
    // Overall invoice tax amount should mentioned here
    'tax_amount'       => 2,
                       
    // Total amount (excl. tax) should mentioned here
    'net_amount'       => 5000,
                       
    // Total amount (incl. tax) should mentioned here              
    'gross_amount'     => 5000,
    
    // Individual product details should mentioned here
    'product_details'  => [
      [
        'code'          => 'P001',
        'name'          => 'Product name',
        'group'         => 'Product group',
        'description'   => 'Product description',
        'quantity'      => 2,
        'unit'          => 2,
        'unit_price'    => 100,
        'total_price'   => 200,
        'tax_amount'    => 1,
        'tax_percent'   => 1,
        'discount'      => 0,
        'note'          => 'Note about the product'
      ]
    ],
        
    // Customize the customer support details here
    'customer_support'  => 'Max Mustermann | Email: support@yourshop.de',
	
	// Custom Invoice number 
	'custom_invoice_no' => 'INV-32'
];
*/


// Convert the array to JSON string
$json_data = json_encode($data);

// Handle Response
$response = send_request($json_data, $endpoint, $headers);

function send_request($data, $url, $headers) {

    // Initiate cURL
    $curl = curl_init();
    
    // Set the url
    curl_setopt($curl, CURLOPT_URL, $url);
    
    // Set the result output to be a string
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    
    // Set the POST value to true (mandatory)
    curl_setopt($curl, CURLOPT_POST, true);
    
    // Set the post fields
    curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
    
    // Set the headers
    curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);

    // Execute cURL
    $result = curl_exec($curl);

    // Handle cURL error
	if (curl_errno($curl)) {
		echo 'Request Error:' . curl_error($curl);
		return $result;
	}
	// Close cURL
	curl_close($curl);  
	
	// Decode the JSON string
	$result = json_decode($result);
	
	return $result;
}

?>

curl --location --request POST 'https://payport.novalnet.de/v2/seamless/payment' -H 'Content-Type: application/json' -H 'Charset:utf-8' -H 'Accept: application/json' -H 'X-NN-Access-Key: ###YOUR_ENCODED_PAYMENT_ACCESS_KEY###' -d '{"merchant":{"signature":"###YOUR_API_SIGNATURE###","tariff":"###YOUR_TARIFF_ID###"},"customer":{"first_name":"Max","last_name":"Mustermann","email":"###YOUR_MAIL###","customer_ip":"###CUSTOMER_IP###","customer_no":"###CUSTOMER_NUMBER###","tel":"+49 089 123456","mobile":"+49 174 7781423","billing":{"house_no":"2","street":"Musterstr","city":"Musterhausen","zip":"12345","country_code":"DE"}},"transaction":{"amount":"###TRANSACTION_AMOUNT###","currency":"###TRANSACTION_CURRENCY###","test_mode":"###TEST_MODE###","order_no":"###TRANSACTION_ORDER_NUMBER###","return_url":"###YOUR_RETURN_URL###","error_return_url":"###YOUR_ERROR_RETURN_URL###","hook_url":"###YOUR_HOOK_URL###","create_token":"1"},"hosted_page":{"logo":"###YOUR_SHOP_LOGO###","hide_payments":["PRZELEWY24","DIRECT_DEBIT_ACH","BLIK"],"hide_blocks":["ADDRESS_FORM","SHOP_INFO","LANGUAGE_MENU","HEADER","TARIFF"],"skip_pages":["CONFIRMATION_PAGE","SUCCESS_PAGE","PAYMENT_PAGE"]}}';

#!/usr/bin/node

const https = require('https');
// data sent in the body of the request
const postData = JSON.stringify({
  "merchant": {
    "signature": "###YOUR_API_SIGNATURE###",
    "tariff": "###YOUR_TARIFF_ID###"
  },
  "customer": {
    "customer_ip": "###CUSTOMER_IP###",
    "gender": "u",
    "first_name": "Max",
    "last_name": "Mustermann",
    "email": "###YOUR_MAIL###",
    "birth_date": "1992-06-10",
    "billing": {
      "street": "Musterstr",
      "house_no": "2",
      "city": "Musterhausen",
      "zip": "12345",
      "country_code": "DE",
      "tel": "+49 089 123456"
    }
  },
  "transaction": {
    "amount": "###TRANSACTION_AMOUNT###",
    "currency": "###TRANSACTION_CURRENCY###",
    "order_no": "###TRANSACTION_ORDER_NUMBER###",
    "test_mode": "###TEST_MODE###",
    "hook_url": "###YOUR_HOOK_URL###",
    "return_url": "###YOUR_ERROR_RETURN_URL###",
    "error_return_url": "###YOUR_HOOK_URL###",
    "create_token": "1"
  },
  "hosted_page": {
    "logo": "###YOUR_SHOP_LOGO###",
    "hide_payments": "{'PRZELEWY24','DIRECT_DEBIT_ACH','BLIK'}",
    "hide_blocks": "{'ADDRESS_FORM', 'SHOP_INFO', 'LANGUAGE_MENU','TARIFF'}",
    "skip_pages": "{'CONFIRMATION_PAGE', 'SUCCESS_PAGE', 'HEADER', 'PAYMENT_PAGE'}"
  }
});

const options = {
  hostname: 'payport.novalnet.de',
  port: 443,
  path: '/v2/seamless/payment',
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'Content-Length': Buffer.byteLength(postData),
    'Charset': 'utf-8',
    'Accept': 'application/json',
    'X-NN-Access-Key': '###YOUR_ENCODED_PAYMENT_ACCESS_KEY###'
  },
};

const req = https.request(options, (res) => {
  console.log('statusCode:', res.statusCode);
  // console.log('headers:', res.headers);

  res.on('data', (d) => {
    process.stdout.write(d);
  });
});

req.on('error', (e) => {
  console.error('ERROR: ',e);
});

// Write data to request body
req.write(postData);
req.end();

#!/usr/bin/python3

import http.client
import json

CONN = http.client.HTTPSConnection("payport.novalnet.de")
PAYLOAD = json.dumps({
    "merchant": {
        "signature": "###YOUR_API_SIGNATURE###",
        "tariff": "###YOUR_TARIFF_ID###"
    },
    "customer": {
        "customer_ip": "###CUSTOMER_IP###",
        "gender": "u",
        "first_name": "Max",
        "last_name": "Mustermann",
        "email": "###YOUR_MAIL###",
        "birth_date": "1983-07-02",
        "billing": {
            "street": "Musterstr",
            "house_no": "2",
            "city": "Musterhausen",
            "zip": "12345",
            "country_code": "DE",
            "tel": "+49 089 123456"
        }
    },
	 "transaction": {
		"amount": "###TRANSACTION_AMOUNT###",
		"currency": "###TRANSACTION_CURRENCY###",
		"order_no": "###TRANSACTION_ORDER_NUMBER###",
		"test_mode": "###TEST_MODE###",
		"hook_url": "###YOUR_HOOK_URL###",
		"return_url": "###YOUR_ERROR_RETURN_URL###",
		"error_return_url": "###YOUR_HOOK_URL###",
		"create_token": "1"
	  },
	  "hosted_page": {
		"logo": "###YOUR_SHOP_LOGO###",
		"hide_payments": "{'PRZELEWY24','DIRECT_DEBIT_ACH','BLIK'}",
		"hide_blocks": "{'ADDRESS_FORM', 'SHOP_INFO', 'LANGUAGE_MENU','TARIFF'}",
		"skip_pages":"{'CONFIRMATION_PAGE', 'SUCCESS_PAGE', 'HEADER', 'PAYMENT_PAGE'}"
	  }
})
HEADERS = {
    'Content-Type': 'application/json',
    'Charset': 'utf-8',
    'Accept': 'application/json',
    'X-NN-Access-Key': '###YOUR_ENCODED_PAYMENT_ACCESS_KEY###'
}
CONN.request("POST", "/v2/seamless/payment", PAYLOAD, HEADERS)
RES = CONN.getresponse()
DATA = RES.read()
print(DATA.decode("utf-8"))

#!/usr/lib/ruby

require "uri"
require "json"
require "net/http"

url = URI("https://payport.novalnet.de/v2/seamless/payment")

https = Net::HTTP.new(url.host, url.port)
https.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = "application/json"
request["Accept"] = "application/json"
request["Charset"] = "utf-8"
request["X-NN-Access-Key"] = "###YOUR_ENCODED_PAYMENT_ACCESS_KEY###"
request.body = JSON.dump({
  "merchant": {
    "signature": "###YOUR_API_SIGNATURE###",
    "tariff": "###YOUR_TARIFF_ID###"
  },
  "customer": {
    "gender": "u",
    "first_name": "Max",
    "last_name": "Mustermann",
    "email": "###YOUR_MAIL###",
    "customer_ip": "###CUSTOMER_IP###",
    "customer_no": "###CUSTOMER_NUMBER###",
    "birth_date": "1992-06-10",
    "billing": {
      "street": "Musterstr",
      "house_no": "2",
      "city": "Musterhausen",
      "zip": "12345",
      "country_code": "DE",
      "company": "ABC GmbH"
    }
  },
 "transaction": {
    "amount": "###TRANSACTION_AMOUNT###",
    "currency": "###TRANSACTION_CURRENCY###",
    "order_no": "###TRANSACTION_ORDER_NUMBER###",
    "test_mode": "###TEST_MODE###",
    "hook_url": "###YOUR_HOOK_URL###",
    "return_url": "###YOUR_ERROR_RETURN_URL###",
    "error_return_url": "###YOUR_HOOK_URL###",
    "create_token": "1"
  },
  "hosted_page": {
    "logo": "###YOUR_SHOP_LOGO###",
    "hide_payments": "{'PRZELEWY24','DIRECT_DEBIT_ACH','BLIK'}",
    "hide_blocks": "{'ADDRESS_FORM', 'SHOP_INFO', 'LANGUAGE_MENU','TARIFF'}",
    "skip_pages": "{'CONFIRMATION_PAGE', 'SUCCESS_PAGE','HEADER', 'PAYMENT_PAGE'}"
  }
})

response = https.request(request)
puts response.read_body

package main

import (
  "fmt"
  "strings"
  "net/http"
  "io/ioutil"
)

func main() {

  url := "https://payport.novalnet.de/v2/seamless/payment"
  method := "POST"

  payload := strings.NewReader(`{
	  "merchant": {
		"signature": "###YOUR_API_SIGNATURE###",
		"tariff": "###YOUR_TARIFF_ID###"
	  },
	  "customer": {
		"customer_ip": "###CUSTOMER_IP###",
		"gender": "u",
		"first_name": "Max",
		"last_name": "Mustermann",
		"email": "###YOUR_MAIL###",
		"birth_date": "1983-07-02",
		"billing": {
		  "street": "Musterstr",
		  "house_no": "2",
		  "city": "Musterhausen",
		  "zip": "12345",
		  "country_code": "DE",
		  "tel": "+49 089 123456"
		}
	  },
	  "transaction": {
		"amount": "###TRANSACTION_AMOUNT###",
		"currency": "###TRANSACTION_CURRENCY###",
		"order_no": "###TRANSACTION_ORDER_NUMBER###",
		"test_mode": "###TEST_MODE###",
		"hook_url": "###YOUR_HOOK_URL###",
		"return_url": "###YOUR_ERROR_RETURN_URL###",
		"error_return_url": "###YOUR_HOOK_URL###",
		"create_token": "1"
	  },
	  "hosted_page": {
		"logo": "###YOUR_SHOP_LOGO###",
		"hide_payments": "{'PRZELEWY24','DIRECT_DEBIT_ACH','BLIK'}",
		"hide_blocks": "{'ADDRESS_FORM', 'SHOP_INFO', 'LANGUAGE_MENU','TARIFF'}",
		"skip_pages": "{'CONFIRMATION_PAGE', 'SUCCESS_PAGE','HEADER', 'PAYMENT_PAGE'}"
	  }
	}`)

  client := &http.Client {
  }
  req, err := http.NewRequest(method, url, payload)

  if err != nil {
    fmt.Println(err)
    return
  }
  req.Header.Add("Content-Type", "application/json")
  req.Header.Add("Accept", "application/json")
  req.Header.Add("Charset", "utf-8")
  req.Header.Add("X-NN-Access-Key", "###YOUR_ENCODED_PAYMENT_ACCESS_KEY###")

  res, err := client.Do(req)
  if err != nil {
    fmt.Println(err)
    return
  }
  defer res.Body.Close()

  body, err := ioutil.ReadAll(res.Body)
  if err != nil {
    fmt.Println(err)
    return
  }
  fmt.Println(string(body))
}

/* List of required libraries (see also the import statements below): 
- commons-logging-1.2.jar    
- httpasyncclient-4.1.5.jar  
- httpclient-4.3.3.jar  
- httpcore-4.4.16.jar   
- httpcore-nio-4.4.16.jar  
- httpmime-4.5.14.jar      
- json-20230227.jar  
- unirest-java-3.9.00.jar
*/
import java.io.*;

import org.json.JSONArray;
import org.apache.http.auth.*;
import org.apache.http.nio.conn.*; 
import org.apache.http.concurrent.*;
import org.apache.http.nio.reactor.*;
import org.apache.commons.logging.*;
import org.apache.http.entity.mime.content.*; 
import kong.unirest.*;


public class TokenizationCreate {
  public static void main(String []args) throws Exception{
    Unirest.config().connectTimeout(1000).socketTimeout(2000);

    HttpResponse<String> response = Unirest.post("https://payport.novalnet.de/v2/seamless/payment")
      .header("Content-Type", "application/json")
      .header("Charset", "utf-8")
      .header("Accept", "application/json")
      .header("X-NN-Access-Key", "###YOUR_ENCODED_PAYMENT_ACCESS_KEY###")
      .body("{\"merchant\":{\"signature\":\"###YOUR_API_SIGNATURE###\", \"tariff\" : \"###YOUR_TARIFF_ID###\"},\"customer\":{\"customer_ip\":\"###CUSTOMER_IP###\",\"gender\":\"u\", \"first_name\": \"Max\", \"last_name\": \"Mustermann\", \"email\": \"###YOUR_MAIL###\", \"birth_date\":\"1983-07-02\",\"billing\":{\"street\":\"Musterstr\",\"house_no\":\"2\",\"city\":\"Musterhausen\",\"zip\":\"12345\",\"country_code\":\"DE\",\"tel\":\"+49 089 123456\"}},\"transaction\":{\"amount\":\"###TRANSACTION_AMOUNT###\",\"currency\":\"EUR\",\"order_no\":\"###TRANSACTION_ORDER_NUMBER###\",\"test_mode\":\"###TEST_MODE###\",\"hook_url\":\"###YOUR_HOOK_URL###\",\"return_url\":\"###YOUR_RETURN_URL###\",\"error_return_url\":\"###YOUR_ERROR_RETURN_URL###\",\"create_token\":\"1\"},\"hosted_page\":{\"logo\":\"###YOUR_SHOP_LOGO###\",\"hide_payments\":\"{\"PRZELEWY24\",\"DIRECT_DEBIT_ACH\",\"BLIK\"}\",\"hide_blocks\":{\'ADDRESS_FORM\', \'SHOP_INFO\', \'LANGUAGE_MENU\', \'TARIFF\'},\"skip_pages\": \'CONFIRMATION_PAGE\', \'SUCCESS_PAGE\', \'HEADER\', \'PAYMENT_PAGE\'}}")
      .asString();
    
    System.out.println(response.getBody());
  }
}

using System;
using System.Net.Http;

namespace TokenizationCreateRequest
{
  public class TokenizationCreate {

    public string check_Tokenization_create_request() {

      var client = new HttpClient();
      var request = new HttpRequestMessage(HttpMethod.Post, "https://payport.novalnet.de/v2/seamless/payment");

      request.Headers.Add("Charset", "utf-8");
      request.Headers.Add("Accept", "application/json");
      request.Headers.Add("X-NN-Access-Key", "###YOUR_ENCODED_PAYMENT_ACCESS_KEY###");
      var content = new StringContent("{\"merchant\":{\"signature\":\"###YOUR_API_SIGNATURE###\", \"tariff\" : \"###YOUR_TARIFF_ID###\"},\"customer\":{\"customer_ip\":\"###CUSTOMER_IP###\",\"gender\":\"u\", \"first_name\": \"Max\", \"last_name\": \"Mustermann\", \"email\": \"###YOUR_MAIL###\", \"birth_date\":\"1983-07-02\",\"billing\":{\"street\":\"Musterstr\",\"house_no\":\"2\",\"city\":\"Musterhausen\",\"zip\":\"12345\",\"country_code\":\"DE\",\"tel\":\"+49 089 123456\"}},\"transaction\":{\"amount\":\"###TRANSACTION_AMOUNT###\",\"currency\":\"EUR\",\"order_no\":\"###TRANSACTION_ORDER_NUMBER###\",\"test_mode\":\"###TEST_MODE###\",\"hook_url\":\"###YOUR_HOOK_URL###\",\"return_url\":\"###YOUR_RETURN_URL###\",\"error_return_url\":\"###YOUR_ERROR_RETURN_URL###\",\"create_token\":\"1\"},\"hosted_page\":{\"logo\":\"###YOUR_SHOP_LOGO###\",\"hide_payments\":\"{\"PRZELEWY24\",\"DIRECT_DEBIT_ACH\",\"BLIK\"}\",\"hide_blocks\":{\'ADDRESS_FORM\', \'SHOP_INFO\', \'LANGUAGE_MENU\', \'TARIFF\'},\"skip_pages\": \'CONFIRMATION_PAGE\', \'SUCCESS_PAGE\',\'HEADER\', \'PAYMENT_PAGE\'}}", null, "application/json");

      request.Content = content;
      var response = client.SendAsync(request).Result;
      response.EnsureSuccessStatusCode();
      var responseText = response.Content.ReadAsStringAsync().Result;
      Console.WriteLine(responseText);
      return responseText;
    }
    public static void Main() {
      var testRequest = new TokenizationCreate();
      testRequest.check_Tokenization_create_request(); 
    }

  }
}

<html>
	<head>
		<meta name="viewport" content="width=device-width, initial-scale=1.0">
		<title>Novalnet Demo Payment Page (Overlay)</title>
		<script src="https://paygate.novalnet.de/v2/checkout-1.0.0.js?t=<?php echo time(); ?>" id="novalnet-checkout-js" integrity="sha384-aDPsa/rYHZHxQVB8g9cvUke1bQgiQSaZM6VLi0L1dudq31rn3JG9T6R/0/OHIn9v" crossorigin="anonymous"></script>     
		<script type="text/javascript">	
			Novalnet.setParam("nn_it", "overlay");
			Novalnet.setParam("txn_secret", "<?php echo (!empty($response->transaction->txn_secret) ? $response->transaction->txn_secret : ''); ?>");
			<!--Target to display the response 
			Novalnet.setParam("rftarget", "self"); 
			-->
		</script>
	</head>
	<body>
		<p>
			<button type="submit" onclick="Novalnet.render();" style="visibility: visible;">
				<span>
					Pay Now
				</span>
			</button>
		</p>
	</body>
</html>

<?php

$txn_secret = !empty($_SESSION["novalnet_txn_secret"])
    ? $_SESSION["novalnet_txn_secret"]
    : $_REQUEST["txn_secret"];

// Handle Response
if (
    !empty($_REQUEST["checksum"]) &&
    !empty($_REQUEST["tid"]) &&
    $txn_secret &&
    !empty($_REQUEST["status"])
) {
    $token_string = $_REQUEST["tid"] . $txn_secret .  $_REQUEST["status"] . strrev("YOUR_PAYMENT_ACCESS_KEY");
    $generated_checksum = hash("sha256", $token_string);

    if ($generated_checksum !== $_REQUEST["checksum"]) {
        echo "While redirecting some data has been changed. The hash check failed";
        exit();
    } else {
        // Handle further process here for the successful scenario
    }
} else {
    // Could be a handling for the direct payment
}
?>