What the KADUSERCOOKIE cookie does
PubMatic UserId. this identifier to identify each user uniquely. Some of the uses of this anonymous identifier are to support frequency capping, perform UID sync ups with DSP's, DMP's. DMP's / DP's push audicne data against this ID. API publishers sends this ID while making API requests to PubMatic AdServer. UAS Ad Engine also uses this cookie for FCAP purposes.
Who sets it
Consent category: marketing
Marketing cookies follow visitors across sites to build advertising profiles and to measure campaigns. They always require prior consent, and a consent banner has to block them until the visitor agrees.
| Name | KADUSERCOOKIE |
|---|---|
| Category | Marketing |
| Lifetime | 90 days |
| Set by | PubMatic |
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From the Conzent cookie database, last updated 2026-09-27. Descriptions come from vendor documentation, cookie policies and our own scans; write to support@getconzent.com to correct one.