Activate Your Audiences Across the Open Web. Seamlessly.

Industry-leading technology, premium service, and huge scale make us the world's most dynamic exchange for data and identity — whether cookies are here or not.

Publishers Buyers

Our Promise

We believe in a thriving open web. It’s why we work hard, every day, to ensure the open web continues being a key source of information for consumers, a channel for publishers to drive effective ad-supported businesses, and the best possible path for marketers to reach their target audiences at scale.

Big, global and omnichannel

Our exchange covers all device types and formats at scale. Quality at every step. That’s why the world’s largest publishers, marketers, and DSPs confidently partner with us.

Benefits of Our Exchange »

Find your perfect audience

Bring your own first-party data, or leverage our third-party data. Either way, we’ll identify, reach, and help you engage your audiences across every supply channel.

Explore the benefits of OpenAudience™ »

DSPs: we’ve got what you need

Have a look at what we offer, what we support, and how we can be in lockstep with you — so our mutual customers don’t make any missteps.

OpenRTB API Specification » OpenX Ad Exchange Demand Policy » OpenX Integration Plan »

OpenX is the only 100% cloud-based exchange, giving us the most efficient tech stack in the industry.

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"Working with a partner like OpenX, who can offer access to a unique data asset of anonymous user information across the open web, has expanded our ability to apply a sophisticated and audience-focused approach to campaigns regardless of channel, which, in turn, allows us to deliver better results for our clients."

Sean Muzzy, President North America at Matterkind

"OpenX is democratizing identity across all publishers on the open web, helping marketers to plan and buy audiences the way they do inside walled gardens."

Travis Clinger, SVP, Addressability and Ecosystem at LiveRamp

"Condé Nast has benefited from OpenX’s expertise and experience to better understand how to implement programmatic within its existing technology stack. We found the implementation of the OpenX Bidder to be efficient and effortless and the results very rewarding."

Malcolm Attwells, VP Revenue Strategy Europe at Condé Nast

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Activate Your Audiences Across the Open Web. Seamlessly.

Industry-leading technology, premium service, and huge scale make us the world's most dynamic exchange for data and identity — whether cookies are here or not.

Our Promise

Big, global and omnichannel

Find your perfect audience

DSPs: we’ve got what you need

OpenX is the only 100% cloud-based exchange, giving us the most efficient tech stack in the industry.

"OpenX is democratizing identity across all publishers on the open web, helping marketers to plan and buy audiences the way they do inside walled gardens."

"Condé Nast has benefited from OpenX’s expertise and experience to better understand how to implement programmatic within its existing technology stack. We found the implementation of the OpenX Bidder to be efficient and effortless and the results very rewarding."

Audience creation. Optimization. Bid guidance. Tell us what you’re working toward, and we’ll do the heavy lifting.

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