OpenX is the most dynamic independent supply-side platform and delivers a fair and transparent value exchange between publishers and advertisers to help power the open web.

Learn more about how OpenX uses technology to build solutions that solve real client needs and benefit the broader market.

Our exchange is trusted by publishers and buyers around the globe. Come learn more about what makes us unique.

OpenX proudly creates a culture of unreasonably awesome people who have the freedom and support to do the best work of their careers.

Grow your revenue opportunities. OpenX brings publishers better-targeted solutions that provide more opportunities and drive revenue.

With OpenX, we make it easy to reach your target audiences across the open web. Buy however you want, and we’ll give you a Deal ID to run on your DSP of choice.

Reach your target audience Welcome to OpenX, where you can manage media buys to reach your target audience and maximize your ROI.

Find topics about your integrations as an OpenX Publisher, Demand Partner, or Marketer. Publishers Find what you need to achieve your monetization goals with the OpenX Ad …

We're here for you so contact us to learn which OpenX product is right for your business.

Nov 18, 2025 · Using that OpenX identifier, our Ad Exchange can automatically recognize your browser or device the next time it visits another website or digital property owned by a …