Radio and TV stations also sometimes offer unsold inventory on a cost per action basis, but this form of advertising is most often referred to as "per inquiry".
Online and Offline advertising payment model in which fees are charged based solely on the delivery of leads.
The information delivered may consist of as little as an email address, or it may involve a detailed profile including multiple contact points and the answers to qualification questions.
There are numerous risks associated with any Pay Per Lead campaign, including the potential for fraudulent activity by incentive marketing partners.
In CPA campaigns, the advertiser typically pays for a completed sale involving a credit card transaction.
The actions can include completing surveys or answering quiz in order to generate revenue from a third-party advertiser.
With the payment of CPA campaigns being on an "action" being delivered, accurate tracking is of prime importance to media owners.