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.

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

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

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.

Platform API Find what you need to communicate with the OpenX Platform. Platform API Docs

Case Studies Learn how OpenX drives superior monetization for publishers & app developers and maximizes value for brands & marketers. Case Study

OpenXSelect™ is a next-generation curation and supply-side targeting platform for brands, agencies, and data partners.