Cardstream

STEP 1

Obtain merchantID and merchantSecret from Cardstream. If you intend to send merchantPwd, please configure it on your Merchant Account with Cardstream. Choose to optionally use Secure 3DS.

STEP 2

Activate and edit cardstream gateway

STEP 3

Add the hidden input browserData inside of the same form as the card input.

<input type="hidden" name="browserData" value="" id="browserData">

STEP 4

Add this script to your page before the closing body tag.

Script to get browserData:
<script type="text/javascript">
    const navigator = window.navigator;
    const browserData = {
        acceptHeader: 'application/json',
        colorDepth: screen.colorDepth,
        javaEnabled: navigator.javaEnabled(),
        javaScriptEnabled: true,
        language: navigator.language,
        screenHeight: screen.height,
        screenWidth: screen.width,
        timeZoneOffset: (new Date()).getTimezoneOffset().toString(),
        userAgent: navigator.userAgent
    };
    document.getElementById('browserData').value = JSON.stringify(browserData);
</script>

STEP 5

For Secure 3DS the checkout and upsell pages must support 3DS redirects

Basic 3DS Instructions