2D Merchant Invoicing Method?

[MrNobody023000]

Can anyone guide me about 2D Merchant like authorize.net invoicing method? How does it work? What do we need for it?

 

[MrNobody023000]

Can anyone guide me about 2D Merchant like authorize.net invoicing method? How does it work? What do we need for it?

I was expecting an answer @tomcat, @Carding Forum, @KPH and @Cloned Boy . Please guide me here