Header Bidding & Supply Infrastructure · Industry Association & Standards Body · AdTech Vendor
Prebid
Open-source header bidding standards body for publishers and ad tech.
Available information varies by company and source.
Profile record updated:
Company facts
- Official name
- Prebid.org
- Entity type
- COMPANY
- Founded
- 2017
- Headquarters
- 276 5th Avenue Suite 704, #756 New York, NY 10001
- Company size
- <10
- Market cluster / sector
- Header Bidding & Supply Infrastructure
- Market role
- Industry Association & Standards Body · AdTech Vendor
- Official website
- prebid.org
What Prebid does
Prebid operates a consortium-style business model built around open-source adtech infrastructure and ecosystem governance. It creates value by maintaining common technical standards, software libraries and interoperability layers that publishers and ad tech vendors can adopt without direct licence fees. The organisation is funded through paid membership, while implementation, hosting and operational services are often delivered by member companies and ecosystem partners rather than by Prebid itself.
Category differentiation
Prebid is not a demand-side platform or a media seller; it is a not-for-profit steward of open-source publisher monetisation infrastructure. It should also be distinguished from proprietary ad servers and closed-platform auction systems.
Strategic context
AI-supported assessment from the existing company research; distinguish interpretation from sourced facts.
Prebid is a US-based not-for-profit organisation that develops, maintains and governs open-source infrastructure for programmatic advertising, primarily around header bidding. Its core products include Prebid.js for web header bidding, Prebid Server for server-side auction orchestration, Prebid Mobile for in-app bidding, SharedID for publisher-centric identity, and analytics and operational tooling for monetisation workflows. Its main customers and users are digital publishers, app publishers, ad operations teams, developers and ad tech companies participating in the open web advertising ecosystem. Prebid does not primarily make money by licensing its core software. Instead, it funds ongoing development and governance through paid organisational membership dues, with pricing linked to member type and revenue. Value is created by providing open, interoperable standards and software that help publishers reduce dependency on closed platforms, access multiple demand partners and improve auction transparency and yield.
Company news briefing
Briefing updated:
Prebid.org continues its leadership under President Garrett McGrath, advancing open-source standards across agentic AI, identity, and sell-side monetisation. Regulatory developments further strengthen its market positioning following U.S. federal court rulings requiring Google to integrate and bid into Prebid via API. Capitalising on this legal mandate, Prebid is actively advancing architectural proposals to unbundle Google Ad Manager by allowing ad servers to bid directly into Prebid.
Business model & monetisation
Prebid’s primary monetisation mechanism is paid annual membership dues assessed by business type and revenue. Its core software stack is free and open source, so it does not rely on classic SaaS seat fees, media take-rates or licensing as the main revenue engine. Commercial value around deployment is also captured indirectly across the ecosystem via partner-led implementation, hosting and managed services built on top of Prebid technologies.
- Membership dues
- Annual organisational subscription based on business type and revenue
- Ecosystem-driven managed services around implementation and hosting
- Partner-delivered service fees linked to Prebid deployments
Products & capabilities
No products with linked sources are available in this view.
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Verified Ownership & Corporate Hierarchy
Complete corporate hierarchy traversal, shareholder cap table history, and parent holding links sourced from regulatory filings.
360° Tech Stack & Vendor Telemetry
Technical header bidding configurations, sellers.json registry nodes, CMP disclosures, and direct programmatic supply chains.
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Competitors & alternatives
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Header bidding middleware and analytics for digital publishers.
Header bidding and AdOps platform for publisher monetisation.
Publisher monetisation and advertiser targeting adtech platform.
Publisher monetisation platform combining SSP software and managed services.
Publisher monetisation platform for header bidding and yield optimisation.
Side-by-side comparisons
Recent recorded signals
Dates refer to the source publication. Older entries are historical context, not evidence of a new event.
Getting Paid in the AI Era: A Field Guide to the New Monetization Models
Recorded impact score: 2/5
Article by Anton Nashkerskyi (Sigma Software) and Krish Arvapally (Dappier), for the Prebid LLM Taskforce. Part of the publisher series. Earlier articles in this series covered AI traffic and …
Prebid.js 11.46.0: CI workflows upgraded to Node 24
Infrastructure · Recorded impact score: 1/5
Prebid.js, the open-source header bidding wrapper, has released version 11.46.0, which updates its CI (Continuous Integration) workflows to use Node 24-based checkout action v6. Specifically, the bounded-qwen-review.yml and open-code-review.yml workflows were migrated to the newer checkout action. This technical release focuses on infrastructure improvements, ensuring compatibility with the latest Node.js runtime for automated code review processes. No functional changes to the ad serving library were included. This release is part of Prebid.js's ongoing maintenance and modernization of its development tooling.
- Prebid.js released version 11.46.0 on October 30, 2026.
- CI workflows bounded-qwen-review.yml and open-code-review.yml were moved to Node 24-based checkout action v6.
Prebid.js 11.44.0 adds priority bids support
Technical Release · Recorded impact score: 3/5
Prebid.js has released versions 11.44.0 and 11.45.0, introducing significant features and improvements. Version 11.44.0 centers on priority bids (allowPriorityBids opt-in, bid.priority, priority-adjusted ranking), enabling publishers to influence auction outcomes. It also includes core enhancements like hardened layout calculations, caching layout reads, using multibid's originalRequestId, and resetting GPT targeting after BID_WON. New bid adapters were added: Roockmobile, VisionForgeX, MonetiseUp, Onebidtech, Adhouse, and Shopnomix. Version 11.45.0 adds house bids (zero-CPM) from priority-enabled adapters, an option for bidder-specific supply chain replacement (firstPartyData.replaceGlobalSchain), late CMP API support, and better reset handling. It also improves error recovery in the currency module for malformed rates, allows video auctions to complete when cached bids are discarded, and includes a new Publink.io adapter. Maintenance includes OpenRTB migration for Yieldlab and bug fixes.
- Prebid.js 11.44.0 (Oct 24, 2026) introduced priority bids (allowPriorityBids opt-in, bid.priority, priority-adjusted ranking).
- Prebid.js 11.45.0 (Oct 28, 2026) added house bids (zero-CPM) from priority-enabled adapters and option firstPartyData.replaceGlobalSchain.
Provenance and Reporting: Who Made Your Content, and How Did AI Use It?
Recorded impact score: 2/5
By Erik Svilich (Encypher) and Alex Springer (SPUR Coalition) For the Prebid LLM Taskforce. Part four of the publisher series. Disclosure: Encypher sells C2PA provenance software, co-chairs the C2PA text ...
Who Gets Paid When an AI Reads Your Page?
Recorded impact score: 2/5
By Constantine Mirin and Anton Nashkerskyi For the Prebid LLM Taskforce. Part of the publisher series. Earlier in this series, The State of AI Traffic: What Publishers Are Seeing in …
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Questions about Prebid
What is Prebid?
Prebid is a not-for-profit organisation that governs open-source header bidding and related advertising infrastructure for publishers and the wider adtech ecosystem.
Who uses Prebid?
Its main users are digital publishers, app publishers, ad operations teams, developers, ad tech vendors and other companies participating in open-web monetisation.
How does Prebid make money?
It primarily generates revenue through paid annual membership dues, while its core software is free and open source.
Sources & coverage
This profile uses public, official and technically observable information. Missing information does not prove that a product or relationship does not exist. The list below does not imply that every profile statement has been verified.
18 publicly documented primary sources and citations linked across the market graph.
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