Last updated on July 14, 2017
OpenX supports sending demand partners various real-time notifications to indicate when an impressionA single display of an ad on a web page, mobile app, or other delivery medium. For deals, impression is a metric to relay the total number of ads that have served. See also billable impression, forecasted impressions. has been served and billed, as well as when a bid has lost and the reason for the loss. This section describes the different types of notifications and their implementation types.