What does 'DOI' mean as a Payable Action? | WOW Trk

What does 'DOI' mean as a Payable Action?

Every offer on WOW Trk for affiliates show a 'Payable Action' the payable action simply informs you what a user must do when visiting the affiliate offer in order for you to be paid.

If the 'Payable Action' states DOI (Double Opt In), this means the user must sign up and verify their email address before you are paid commission for this conversion.