<form action="https://manage.ipaygh.com/gateway/checkout" method="post">
<input type="hidden" name="merchant_key" value="PROVIDED MERCHANT KEY">
<input type="hidden" name="success_url" value="">
<input type="hidden" name="cancelled_url" value="">
<input type="hidden" name="ipn_url" value="">
<input type="hidden" name="invoice_id" value="">
<input type="hidden" name="extra_name" value="customer name">
<input type="hidden" name="extra_mobile" value="0240000000">
<input type="hidden" name="total" value="1.00">
<input type="hidden" name="description" value="Sample Order">
<button type="submit">Make Payment</button>