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Last Updated: 02/01/2026
in Privacy
1. Introduction& Disclaimer Overview Transparency is the foundation of the ID5 ID. To ensure the ID5 ID
Service operates securely and in compliance with global data protection
standards, ID5 requires all partners and their downstream parti...
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Last Updated: 12/04/2025
in Get Started Core Value Proposition Prevent data leakage by permissioning user IDs to authorized partners only Ensure compliance with data privacy regulations thanks to ID5’s privacy-by-design technology Identify authenticated and unauthenticated users in a...
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Last Updated: 12/04/2025
in Enrich
Overview Publishers and ad tech partners can choose to use the ID5 Graph to enrich their programmatic transactions with additional data. The Graph enables both probabilistic and deterministic connections between ID5 IDs and Platform Cookie IDs, w...
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Last Updated: 12/04/2025
in Privacy
Overview The Privacy API Opt-out endpoint allows authorized partners to opt out users from ID5 tracking using various privacy identifiers including ID5 ID, MAIDs, email addresses, and hashed emails. The system handles multiple identifier types an...
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Last Updated: 11/26/2025
in Retrieve ID5 IDs Prebid
ID5 Prebid Identity Insights Identity Insights is enabled through ID5's Analytics Adapted for Prebid, available for Prebid.js version 7.27.0 or higher
To help publishers better understand the value of working with ID5, we have launched Ident...
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Last Updated: 11/25/2025
in Get Started
Core Value Proposition
Bid on more impressions, track conversion attribution to ultimately improve bidding strategies and campaign performance in all digital advertising environments with the ID5 ID
Enable clients to reach and engage wit...
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Last Updated: 09/11/2025
in Retrieve ID5 IDs
What is Partner Data?
Partner Data includes all signals provided by partners that assist ID5 in accurately identifying users. By sharing additional information, you improve the precision, stability, and effectiveness of user identification....
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Last Updated: 06/04/2025
in Retrieve ID5 IDs
How Publishers Can Future-Proof Their Addressability Strategy Browsers and Operating Systems are taking incremental steps to obfuscate identification signals from third parties. From the recent release of Apple’s iOS15, which introduced features...
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Last Updated: 04/04/2025
in Privacy
Overview
The Privacy Requests API allows partners to automate the processing of consumers’ Data Subject Access Requests related to data stored by ID5. The Data Deletion service handles deletion of any data associated with the consumer, if ...
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Last Updated: 04/03/2025
in Retrieve ID5 IDs
Publisher Provided ID (PPID) Provisioning Some monetization and ad serving platforms like Google and Xandr supporting the passing of a Publisher Provided Identifier (PPID). Google’s PPID , for example, allows publishers to send Google Ad Manage...