Affiliate cookie duration
How long xfa_aff and xfa_wm cookies stay valid after a qualifying visit. Default 30 days (1-365).
Affiliate cookie duration
How long affiliate (xfa_aff) and webmaster (xfa_wm) cookies remain valid after a qualifying visit. Same duration for both.
Where to find it
Admin → Settings → Affiliation → Cookie duration (days) / catalog Affiliate cookie duration (days)
Setting key: aff.cookie_duration_days
Default: 30. Range 1-365. Cookies are httpOnly, SameSite=Lax.
At conversion, if the click is older than this window, attribution is skipped.
Common problems
Sales unattributed after a week
Cookie expired - raise days if that matches your sales cycle.