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What is device fingerprint?

Device fingerprinting is used to generate a device_id that uniquely identifies a customer’s device. This device_id is then associated with a payment when the customer completes a purchase. This information is used by anti-fraud tools to match the customer’s behavior against known fraudulent behavior to detect potential fraud attempts.

Why should I use it?

A device fingerprint is an essential layer of protection that does not impact the customer experience on your website. A clever fraudster can easily disguise the IP address, and the device fingerprint can solely identify one fraudster using a list of credit cards in a list of fake profiles.

How do I use it?

You can use this JavaScript on your checkout page:

<script type="text/javascript" src=""></script>
<script type="text/javascript">

    window.onload = function() {




        EBANX.deviceFingerprint.setup(function(deviceId) {

            console.log("Device ID:", deviceId);
            // jQuery example:




Get this device ID and submit your checkout form. Add this parameter to your request when you are going to send it to us.