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Last Updated: 05/28/2026
in Enrich
What is ID5's Real-Time Bid Enrichment Service? ID5’s Real-Time Bid Enrichment is an optional, paid-for service that enables publishers and publisher monetization platforms to improve inventory addressability. When enabled, the ID5 Graph is used ...
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Last Updated: 05/25/2026
in Access Identity Graphs
Exchanging data with ID5
ID5 uses RClone to send and receive data, which determines the supported transfer protocols.
Our main delivery mechanism is to exchange data directly via an AWS S3 bucket or an S3-compatible object storage (e.g...
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Last Updated: 05/21/2026
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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Last Updated: 05/21/2026
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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Last Updated: 05/21/2026
in Enrich
Overview ID5's Graph 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 ID5 I...
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Last Updated: 05/19/2026
in Retrieve ID5 IDs
Overview
We recommend that you deploy ID5 in mobile in-app environments via a server to server integration. We do support alternative integration pathways depending on your requirements. If required, please reach out to your ID5 customer...
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Last Updated: 05/19/2026
in Privacy
ATT Signal Processing (iOS) Apple's App Tracking Transparency (ATT) framework gives users control over whether apps may track them across other apps and websites. Because ID5 integrates via server-to-server (S2S), it processes only the data and...
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Last Updated: 05/18/2026
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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Last Updated: 04/24/2026
in Retrieve ID5 IDs
Overview
We recommend that you deploy ID5 in CTV environments via a server to server integration. We do support alternative integration pathways depending on your requirements. If required, please reach out to your ID5 customer services rep...
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Last Updated: 04/24/2026
in Cookie Sync with ID5
Process Overview
While third-party cookies are still in use, ID5 can synchronize with ad tech vendors to enhance user recognition, improving audience addressability and monetization.
ID5 can provide a pixel that can be added to publis...