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Created On: 11/28/2025
in Enrich
This guide explains how to use EID (Extended Identifier) information from an ID5 endpoint response to enrich outgoing OpenRTB bid requests for both OpenRTB 2.6 and 2.5.
Identify and Extract EID Data from ID5 Endpoint Response
The necess...
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Created On: 10/03/2025
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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Created On: 09/15/2025
in Enrich
Overview ID5's Graph can empowers publishers (and their tech partners) to unlock greater value by connecting users across both cookie-based and cookieless environments. By combining the scale of the ID5 ID footprint with the intelligence of the I...
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Created On: 09/11/2025
in Enrich
Overview ID5's Graph can empower ad tech platforms to unlock greater value by connecting users across both cookie-based and cookieless environments. By combining the scale of the ID5 ID footprint with the intelligence of the ID5 Identity Graph, E...
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Created On: 09/08/2025
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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Created On: 09/08/2025
in Enrich
ID5’s real-time bid enrichment service for publishers is currently in alpha and available by invitation only .
What is ID5's Real-Time Bid Enrichment Service? ID5’s Real-Time Bid Enrichment is an optional, paid-for service for publisher...
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Created On: 05/09/2025
in Privacy
User Rights Propagation Summary This document details ID5's process for disseminating user opt-out and data deletion requests to its partners. As part of ID5's ongoing commitment to robust privacy practices, this system ensures that when users e...
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Created On: 03/06/2025
in Retrieve ID5 IDs
ID5 JS API Lite ID5 JS API Lite is a reduced-functionality version of the standard ID5 JS API. Unlike the full API, which facilitates a comprehensive set of identity-related functions, the Lite version is purposefully built to perform a single ...
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Created On: 01/16/2025
When ID5 provides an ID5 ID, we may also include certain metadata. Below you will find the different types of metadata we support and the values they could contain:
Link Type
A/B Testing Control Group
Link...
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Created On: 01/16/2025
in Access Identity Graphs
Overview
IdentityCloud includes a Partner Graph and a Cross-Device Graph, both enriched by the ID5 ID.
Partner Graph Overview
ID5's Partner Graph is a centralized graph containing information on how ID5 IDs map to other platf...