Headers Parameters

Name	Type	Description	Mandatory (M) , Optional (O)	Provided by INSTANTPAY (Y/N)
X-Ipay-Auth-Code	String	Auth Code - 1 (Fixed)	M	Y
X-Ipay-Client-Id	String	Unique Client ID	M	Y
X-Ipay-Client-Secret	String	Unique secret key	M	Y
X-Ipay-Endpoint-Ip	String	End Customer IP Address	M	N