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An open-source identity solution built for the open internet

Unified ID 2.0 leverages encrypted email and phone number data to provide a privacy-conscious, secure, and accurate identity standard for the entire digital advertising ecosystem.

Our partners

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  • Acxiom
  • Adobe
  • AlikeAudience
  • Alliant
  • Audigent
  • Comscore
  • Experian
  • Foursquare
  • Lasso
  • Lifesight
  • Live Intent
  • LiveRamp
  • Lucid
  • Neustar
  • Nielsen
  • Oracle
  • Salesforce
  • Snowflake
  • Eyeota

Enable personalization and relevance on content and advertising

Unified ID 2.0 offers greater personalization, targeting, measurement, and security for every use case — from advertisers to publishers and everyone in between.

Use deterministic data for greater precision.

Upgrade to an omnichannel and cross-device ID type.

Hash, salt, and transport directly identifying information (DII) as pseudonymized IDs.

Unified ID 2.0 benefits

Unified ID 2.0 was created to be conscious of consumer privacy. Users can opt out of the use of their UID2 universally by visiting the opt-out portal. Participants are required to honor user opt-out requests made through the portal.

Manage my UID2

Ready to get started with Unified ID 2.0?

Request access or a consultation with an expert, or visit our most up-to-date technical documentation