Payment module - callback from payment processor

[boleklolek]

Hi, I want to write module for payment processor which making callback to my shop whith post request. so flow looks like:

-customer choose xxx payment processor, where He see bank account address.

-customer will make transfer. 

-Bank have my endpoint confirmation (example http://sample.com/module/xxx/order/confirm) and send information to me by POST method on this endpoint. 

 

Can you tell me how can I make this endpoint confirmation?

 

Edited June 28, 2018 by boleklolek (see edit history)