Cost per action or CPA marketing, also known as cost per conversion and pay per action (PPA), is an advertising model where the publishers are paid for each specified action such as double opt-in, form submit, click, and impression.
Cost per action or CPA marketing, also known as cost per conversion and pay per action (PPA), is an advertising model where the publishers are paid for each specified action such as double opt-in, form submit, click, and impression.