Server-side tracking
Server-side tracking (also called server-to-server or S2S/postback tracking) records conversions through direct server-to-server calls rather than relying on browser cookies or client-side scripts.
Because the conversion is confirmed between servers — often triggered by a billing event like a completed payment — server-side tracking is resistant to ad blockers, browser privacy features (such as Safari's Intelligent Tracking Prevention) and cookie loss.
It has become the default for accurate affiliate tracking in the post-third-party-cookie era, where client-side, cookie-only methods increasingly under-report conversions.
affixo confirms conversions from Stripe webhooks on the server, so five of its six attribution methods need no cookie at all.
Run every partner program from one platform.
Affiliate, referral and influencer — free to start, server-side attribution, and payouts you own.