Lets your third-party apps talk to your gateway through the guidance of developers.
To let your Application/Website talk to PayMents Gateway, you need to follow as below:
Action url: https://www.binitoo.com/api/webscr
The PayMents gateway will respond as follows to the notify_url you posted. From there, you can deal with the response in the manner of your business logic. The sky is the limit from here.