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Last Updated: 03/06/2026
in Get Started
Core Value Proposition
Send more identifiable bid requests to buyers to increase CPMs and overall publisher revenue
Deliver strategic value to publishers by supporting their transition to the cookieless future
Reduce operational cost...
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Last Updated: 03/06/2026
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: 03/04/2026
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 that enables pu...
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Last Updated: 03/04/2026
in Retrieve ID5 IDs Prebid
Prebid.js Integration Requirements for ID5's Real Time Bid Enrichment Service ID5’s Real-Time Bid Enrichment Service is an optional, paid-for service that enables publishers and publisher monetization platforms to improve inventory addressabili...
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Last Updated: 03/03/2026
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: 02/18/2026
in Retrieve ID5 IDs
Publisher Integration of the ID5 ID via Amazon Publisher Services Amazon's APS is the leading suite of cloud services that helps publishers build, monetize, and grow their digital media business. Read below for a step-by-step guide that takes yo...
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Last Updated: 02/09/2026
in Privacy
This endpoint was deprecated on 9th February 2026. Please use the Opt-Out API Overview The Mobile Opt-in and Opt-out API allows users to opt in and out of ID5 tracking via MAIDs. Opt Out Request Example URL https://api.id5-sync.com/priv...
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Last Updated: 02/05/2026
in Retrieve ID5 IDs Prebid
ID5 Prebid Integration Workflow
Here’s a step-by-step overview of integrating ID5 into your Prebid configuration for any webpage. Once your Prebid.js setup is configured to fetch the ID5 ID, your demand partners in Prebid can access this ID...
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Last Updated: 02/05/2026
in Retrieve ID5 IDs ID5 Javascript API Workflow Here’s a step-by-step guide to integrating ID5 effectively into your webpage. After configuring your ID5 JS API to retrieve the ID5 ID, you can share it with partners on your page using a single JavaScript variable. Part...
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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...