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Classic-integration icon

Level 2/3 data for Hosted Payment Pages

Hosted Payment Pages are no longer available
This page is for the classic Hosted Payment Pages (HPP) integration, which has reached end-of-life. We are no longer processing transactions though HPP.

If you have any questions, contact our Support Team.

Level 2 or Level 3 (L2/L3) data provides commercial shoppers with additional information about purchases on their card statements. It allows companies to track how much is spent on their corporate cards where a single card may have multiple users.

Companies can also track the amount of sales tax to pay or reconcile transactions using a unique customer code. Transactions submitted with L2/L3 data that meet requirements have lower interchange rates.

Code example

Below is a code example for submitting L2/L3 data in an authorisation using the Adyen Hosted Payment Pages (HPP):

<?php    /*
     This PHP code provides a payment form for the Adyen Hosted Payment Pages

     account details
     $skinCode:        the skin to be used
     $merchantAccount: the merchant account we want to process this payment with.
     $sharedSecret:    the shared HMAC key.

    $skinCode        = "[skin code e.g. GBIMwmE4]";
    $merchantAccount = "[merchant Account e.g. TestCompanyCOM]";
    $hmacKey         = "[HMAC key e.g. D21EB2ASD44BA234C8A0AF13CF0BCACA3D4727C6162630D712C857124B213270]";

     payment-specific details

    $params = array(
                    "merchantReference" => "SKINTEST-1435226439255",
                    "merchantAccount"   =>  $merchantAccount,
                    "currencyCode"      => "USD",
                    "paymentAmount"     => "1190",
                    "sessionValidity"   => "2020-07-11T07:07:13-08:00",
                    "shopperLocale"     => "en_GB",
                    "skinCode"          => $skinCode,
                    "brandCode"         => "",
                    "shopperEmail"      => "",
                    "shopperReference"  => "YOUR_UNIQUE_SHOPPER_ID_IOfW3k9G2PvXFu2j",

                    // L2/l3 Data lines
                    "enhancedSchemeData.destinationPostalCode" => "94025-1452",
                    "enhancedSchemeData.shipFromPostalCode" => "94025-1452",
                    "enhancedSchemeData.destinationStateProvinceCode" => "CA",
                    "enhancedSchemeData.destinationCountryCode" => "US",
                    "enhancedSchemeData.freightAmount" => "0",
                    "enhancedSchemeData.dutyAmount" => "0",
                    "enhancedSchemeData.orderDate" => "290518",
                    "enhancedSchemeData.customerReference" => "100001",
                    "enhancedSchemeData.totalTaxAmount" => "190",
                    "enhancedSchemeData.itemDetailLine1.commodityCode" => "82101603",
                    "enhancedSchemeData.itemDetailLine1.description" => "Ads",
                    "enhancedSchemeData.itemDetailLine1.productCode" => "Ads",
                    "enhancedSchemeData.itemDetailLine1.quantity" => "1",
                    "enhancedSchemeData.itemDetailLine1.unitOfMeasure" => "EAC",
                    "enhancedSchemeData.itemDetailLine1.unitPrice" => "1000",
                    "enhancedSchemeData.itemDetailLine1.totalAmount" => "1190",


     process fields

    // The character escape function
    $escapeval = function($val) {
        return str_replace(':','\\:',str_replace('\\','\\\\',$val));

    // Sort the array by key using SORT_STRING order
    ksort($params, SORT_STRING);

    // Generate the signing data string
    $signData = implode(":",array_map($escapeval,array_merge(array_keys($params), array_values($params))));

    // base64-encode the binary result of the HMAC computation
    $merchantSig = base64_encode(hash_hmac('sha256',$signData,pack("H*" , $hmacKey),true));
    $params["merchantSig"] = $merchantSig;


<!-- Complete submission form -->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
<html xmlns="" xml:lang="en" lang="en">
<title>Adyen Payment</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<form name="adyenForm" action="" method="post">
    foreach ($params as $key => $value){
        echo '        <input type="hidden" name="' .htmlspecialchars($key,   ENT_COMPAT | ENT_HTML401 ,'UTF-8').
        '" value="' .htmlspecialchars($value, ENT_COMPAT | ENT_HTML401 ,'UTF-8') . '" />' ."\n" ;
<input type="submit" value="Submit" />