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 role
- 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:
Following Joel Meyer's appointment as Chairman, Prebid.org has named former chairman Garrett McGrath as its new president to spearhead open-source standards across agentic AI and sell-side monetisation. The organisation continues to integrate into agentic advertising frameworks through WPP's video standards coalition alongside IAB Tech Lab's AAMP 2.3 and proposed SupplyChain v1.1 protocols. Technical development also progresses via Prebid.js updates, including versions 11.34.0 and 11.35.0, which introduce new bid adapters and core maintenance enhancements.
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.
Products & market categories
Recent recorded signals
Dates refer to the source publication. Older entries are historical context, not evidence of a new event.
Prebid.js 11.35.0 released with Adbix adapter
Technical Release · Recorded impact score: 3/5
Prebid.js, an open-source header bidding wrapper, has released version 11.35.0. This release introduces a new bid adapter for Adbix, along with several core updates and bug fixes. Key changes include a core improvement for safe renderer bids, maintenance updates for various RTD providers, and endpoint updates for several bid adapters. Notably, the Criteo bid adapter received parameter type declarations, and the Adkernel bid adapter now supports DSA (Digital Services Act) requirements. The release also includes clarifications for hashed email requirements in the Acxiom Real ID integration.
- Prebid.js version 11.35.0 released.
- New bid adapter added for Adbix.
Prebid.js 11.34.0 Released with Adswag and Geniee Adapters
Platform Release · Recorded impact score: 3/5
This release of Prebid.js, version 11.34.0, includes core enhancements, new bid adapters, and maintenance updates. The core PRs focus on fixes to the build system, removing page-lifetime retainers of per-auction data, and a refinement to the user ID refresh logic. New features include the addition of the Adswag and Geniee Exchange (ex_geniee) bid adapters. The release also includes maintenance updates such as verifying the OpenRTB provenance carrier for the Encypher RTD provider, inheriting GVL IDs for short aliases across various bid adapters, updating the Utiq ID module to pass a category in the `ext` response, and adding a Ppcbuzz adapter. The release was authored by github-actions on September 11, 2026.
- Prebid.js 11.34.0 was released on September 11, 2026.
- New bid adapters added: Adswag and Geniee Exchange.
Prebid.org Names Ad Tech Pioneer Garrett McGrath as President
Recorded impact score: 4/5
Former Magnite SVP and Prebid Chairman Steps Into Executive Leadership Role; Focus on Driving Open Source Standards Across Agentic AI, Identity, and Sell-Side Optimization NEW YORK, Sept. 10, 2026 (GLOBE …
Prebid Appoints Former Chairman Garrett McGrath as President
Leadership · Recorded impact score: 3/5
Prebid.org has appointed Garrett McGrath, its former chairman, as its new president, effective September 15, 2026. McGrath, who previously served as SVP of Product Management at Magnite and led Prebid's board for five years until June 2026, succeeds Mike Racic, who departs in October. With over 25 years of experience, McGrath will oversee operational strategy, committee stewardship, and growth. His vision includes supporting multiple agentic AI standards, remaining agnostic to competing protocols, and enhancing publisher monetization through deal curation and data co-ops. He also discussed potential collaboration with Google if mandated by antitrust remedies. Prebid.org is advancing initiatives such as Prebid Sales Agent and enhancements to Prebid Mobile SDK 4.0, emphasizing its role as critical open-web infrastructure and an independent, open-source alternative to walled gardens amid industry shifts.
- Garrett McGrath appointed as Prebid.org's president, effective September 15, 2026.
- McGrath served as Prebid's chairman for five years until June 2026 and previously as SVP of Product Management at Magnite.
Judge Rules Google Won’t Have to Break Up Ad Tech Business
Antitrust · Recorded impact score: 5/5
Judge Leonie Brinkema ruled that Google illegally monopolized publisher ad-server and ad-exchange markets, but rejected the DOJ's proposed structural remedies, including divestiture of AdX and DFP. Instead, she imposed behavioral remedies largely based on Google's own proposals, requiring AdX to bid into Prebid via API integrations, mandating non-discriminatory bidding by Google Ads, eliminating UPR in the US, and banning first/last look. Google must share real-time bid data with publishers and stop AdWords from bidding directly into DFP or favoring Google's tools. The remedies apply globally but exclude video, in-app, and retail media, and do not require open-sourcing auction logic. A technical monitor will oversee compliance for six years with quarterly reporting. The ruling favors large exchanges and publishers with technical resources, while the DOJ lost on including DV360 and video/in-app inventory. Google retains AdX and DFP but intends to appeal. This parallels Judge Mehta's 2024 search decision, marking a second illegal monopoly finding without a breakup. Separate EU fines, state AG cases, and civil lawsuits continue.
- Judge Brinkema rejected structural breakup, imposing behavioral remedies, allowing Google to retain AdX and DFP and avoid open-sourcing auction logic.
- Remedies include AdX bidding into Prebid via API integrations, non-discriminatory bidding, UPR elimination in the US, bans on first/last look, and real-time bid data sharing with publishers.
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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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