GPN DATA is an international, high volume, FSI licensed, PCI compliant, multi-currency Payment Service Provider (PSP) and a full service online Payment Gateway offering worldwide to e-commerce merchants a wide range of innovative and highly developed tools for the virtual payment world, from fast card processing, through recurrent payments and authentication of transfer to card issuing combined with online banking systems.
Sample Code
<?php
$apiKey='your api key';
$params=array('merchantid'=>'xxxx','amount'=>'199','currency'=>'USD','description'=>'Enter Product Description');
$checksum1=sha1($params['merchantid'].$params['amount'].$params['currency'].$params['description'].$apiKey);
?>
<form action="https://pay.techsupportassistant.com/order.php" method="post">
<input type="hidden" name="merchantid" value="xxxx">
<input type="hidden" name="amount" value="199">
<input type="hidden" name="currency" value="USD">
<input type="hidden" name="description" value="Enter Product Description">
<input type="hidden" name="checksum" value=" <?php echo $checksum1;?> ">
<input type="submit" value="Proceed to Next" class="buttonPro">
</form>