PHPwhich you can tailor as per your requirements:
generate-license.php. So the sample path would look like:
generate-license.phpis invoked by your payment processor, you get access to all the payment and customer related data which your payment processor passes after the successful payment.
generate-license.phpgenerates license key for your customer and returns it to your payment processor. It also creates a user in Cryptlex using the customer details present in the request.