OpenX
OpenX is a independent SSP and ad exchange for premium programmatic inventory.
OpenX operates in the AdTech Vendor segment.
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Distinction
OpenX is an independent programmatic SSP and ad exchange, not a DSP or a consumer media platform. It should be distinguished from full-stack walled gardens and from publisher ad servers focused only on serving ads.
- Founded
- 2007
- Headquarters
- 888 East Walnut Street, Pasadena, CA 91101, US
- Core Segment
- AdTech Vendor
- Company Size
- 201–500
- Official Links
- Website
- Verified
- 2026-04-23
Key insights about OpenX
OpenX: About
OpenX operates supply-side programmatic infrastructure. It aggregates publisher inventory, runs auctions, connects that supply to DSP demand, and provides software and data services that improve monetisation, targeting, identity matching and analytics. Value is created by increasing publisher yield, improving buyer access to premium inventory and reducing friction in programmatic trading. Revenue is generated through a mix of transaction-based take-rates on media traded through the platform and contracted access to higher-layer software, data and API capabilities.
Products & Services in Categories
Verified structural categorizations from the graph
OpenX: Market Position
OpenX is a private US advertising technology company focused on the supply side of programmatic advertising. Its core business is operating a real-time ad exchange and supply-side platform that helps publishers and app developers monetise inventory, while also giving DSPs, agencies and advertisers access to premium omnichannel supply across web, mobile and connected TV. The company has expanded that core with publisher yield tools, supply-side curation, identity resolution, auction analytics and developer-facing APIs.
OpenX makes money primarily by taking a percentage of media spend or transaction volume flowing through its exchange and SSP infrastructure. It also appears to generate enterprise software and API-related revenue from curation, data, identity and infrastructure products sold to publishers, DSPs, agencies, advertisers and adtech developers. Its customer base is therefore B2B and spans both the sell side and buy side of programmatic media.
OpenX: Key Competitors & Alternatives
→ View full competitor landscapeOpenX: Frequently Asked Questions
What is OpenX?
OpenX is a private advertising technology company that operates a supply-side platform, ad exchange and related identity, curation and analytics tools for programmatic advertising.
Who uses OpenX?
Its users include publishers, app developers, DSPs, agencies, advertisers, monetisation teams, ad operations teams and adtech developers.
How does OpenX make money?
It mainly earns a take-rate on programmatic media transactions and also generates revenue from enterprise platform, API, identity, curation and data products.

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