Postback
A postback is a server-to-server HTTP callback confirming a conversion event like a registration, FTD, or purchase. Unaffected by ad blockers or cookies.
What it means in practice
A postback is a server-to-server (S2S) notification sent from the advertiser's or operator's server to the tracking platform when a conversion event takes place. Unlike pixel-based tracking, which relies on a snippet of code firing in the user's browser, a postback is triggered entirely on the server side. This makes it independent of browser behavior, ad blockers, and cookie duration limitations.
The typical postback flow works as follows: a user clicks an affiliate link, which passes a unique click ID to the operator's site. When the user completes a qualifying action -- such as a first-time deposit (FTD) or registration -- within the attribution window, the operator's server sends an HTTP request back to the tracking platform, including the click ID and conversion details. The tracking platform then attributes the conversion to the correct affiliate.
Postbacks are the industry standard for high-accuracy affiliate attribution. They reduce discrepancies between what affiliates report and what operators record, because both sides rely on the same server-side event. However, proper implementation requires coordination between the operator's tech team and the tracking platform to ensure click IDs are captured, stored, and passed back correctly.
How Postback works across industries
See how postback is applied in the verticals Track360 supports, from qualification logic and payout structure to the operational context behind each model.
How Track360 handles this
Track360 supports server-to-server postback integrations with configurable event types, automatic click ID management, and real-time conversion logging. Operators can monitor postback delivery status and troubleshoot failures directly from the reporting dashboard.
Frequently Asked Questions
Common questions about postback, how it works in affiliate programs, and where it shows up across Track360's supported verticals.
A tracking pixel fires in the user's browser when a conversion page loads. A postback is sent directly from the operator's server to the tracking platform. Postbacks are more reliable because they are not affected by ad blockers, browser privacy settings, or cookie restrictions that can prevent pixels from firing.
Related Terms
FTD (First Time Deposit)
FTD is the first successful deposit made by a newly referred user. In iGaming and some broker programs, it is one of the most common qualification events used for CPA payouts and partner reporting.
CPA (Cost Per Acquisition)
CPA is a commission model where an affiliate earns a fixed payment for each qualifying action, such as a deposit, registration, or purchase, that a referred user completes.
Cookie Duration
Cookie duration is the length of time a browser cookie remains active after a user clicks an affiliate link. If the user converts within this window, the affiliate receives credit for the referral. Typical durations range from 30 to 90 days depending on the vertical and program.
Attribution Window
The defined time period after a user clicks an affiliate link during which any qualifying conversion is credited to the referring affiliate.
Affiliate Link
An affiliate link is a unique tracked URL assigned to an affiliate that attributes clicks, conversions, and commissions to the correct partner.
Affiliate Attribution
Affiliate attribution is the process of identifying which affiliate or partner action led to a conversion, determining who earns the commission for a specific customer action.
Mobile Tracking
Mobile tracking is the process of attributing affiliate-driven conversions that occur on mobile devices or within native apps, using methods adapted for mobile environments.
Conversion Tracking
Conversion tracking is the technical process of recording when a referred user completes a defined action, such as a deposit or purchase, and linking it to the referring affiliate.
Continue Learning
Free structured courses that cover this topic and more.
Affiliate Data Integration and S2S Setup
How to implement server-to-server postback tracking, configure API integrations, and build reliable data pipelines for affiliate programs across iGaming, Forex, and prop trading.
Mobile Affiliate Tracking & In-App Attribution
How to track affiliate-driven installs, in-app events, and revenue across mobile apps using S2S postbacks, deep links, and privacy-safe attribution.
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