Redirección del comprador hacia la página de pago

Ejemplo de parámetros enviados a la plataforma de pago:
<form method="POST" action="https://secure.payzen.lat/vads-payment/">
				<input type="hidden" name="vads_action_mode" value="INTERACTIVE" /> 
				<input type="hidden" name="vads_amount" value="2990" /> 
				<input type="hidden" name="vads_ctx_mode" value="TEST" /> 
				<input type="hidden" name="vads_currency" value="840" />
				<input type="hidden" name="vads_cust_country" value="CL" />
				<input type="hidden" name="vads_cust_email" value="me@example.com" />
				<input type="hidden" name="vads_page_action" value="PAYMENT" />
				<input type="hidden" name="vads_payment_cards" value="GOOGLEPAY" /> 
				<input type="hidden" name="vads_payment_config" value="SINGLE" /> 
				<input type="hidden" name="vads_site_id" value="12345678" /> 
				<input type="hidden" name="vads_trans_date" value="20190114101407" /> 
				<input type="hidden" name="vads_trans_id" value="362812" /> 
				<input type="hidden" name="vads_version" value="V2" />
				<input type="hidden" name="signature" value="NM25DPLKEbtGEHCDHn8MBT4ki6aJI/ODaWhCzCnAfvY="/>
				<input type="submit" name="payer" value="Payer"/>
				</form>