Glossary/Privacy & Identity/Publisher Provided Identifier (PPID)
Privacy & Identity
Publisher Provided Identifier (PPID)
A first-party ID a publisher assigns to its logged-in or known users and shares with its ad server for frequency capping and audience targeting.
By Brandon Mina·CEO, BrandPilot AI·Updated November 2026
Short answer
A publisher provided identifier (PPID) is a first-party ID a publisher assigns to its logged-in or otherwise known users and shares with its ad server. It supports frequency capping, audience segmentation and targeting without relying on third-party cookies, helping publishers monetize their own audience relationships.