transaction capture but in HC shows unpaid

Question: process payment request but in HC showing unpaid ?

At HC host level path 
"Billing System :: Integrate / Edit Payment Gateways :: Configure Gateway :: Edit Authorize.Net"
In "Response Parser URL" make sure it is not set with localhost i.e http://localhost:8787/GatewayScripts/Authorize.Net.asp 
it should be http://HCPanelURL/GatewayScripts/Authorize.Net.asp

Where 'HCPanelURL' = The live URL from which you access the HC panel it could be or