What is Postback URL?
Definition
A server-to-server callback that fires when a conversion occurs, passing transaction details to the affiliate's tracking platform. Postbacks are more reliable than pixel-based tracking because they are not affected by browser privacy restrictions.
Related Terms
A method affiliates use to append custom identifiers to their tracking links so they can pinpoint which traffic source, page, or creative generated each conversion. Sub-IDs are essential for scaling campaigns profitably.
A pricing model where the advertiser pays only when a specific action is completed, such as a form submission, app install, or purchase. CPA aligns incentives because both advertiser and affiliate benefit from genuine conversions.
A platform that connects advertisers with publishers who promote their products in exchange for commissions. Networks like CJ, ShareASale, and Impact handle tracking, reporting, and payouts for both sides.