🏳️OpenX: Programmatic Advertising | Supply-Side Platform

Website faviconopenx.com

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.

Learn more about our path to Net-Zero at [openx.com/sustainability](https://www.openx.com/sustainability/)

Demand More From Your Media

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[Publishers](https://www.openx.com/publishers/) [Buyers](https://www.openx.com/buyers/)

The Most Innovative Independent Supply-Side Platform

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You deserve a better ad selling and buying experience. Demand addressability, transparency, and sustainability. Demand more.

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[

Demand Addressability

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Our omnichannel targeting capabilities extend across all channels, including CTV, and are fully interoperable with any data set and identity type — ensuring that our clients reach their audiences at scale today and in the future.

Read More

](https://www.openx.com/why-openx/openaudience/)

[

Demand Transparency

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As an independent technology company, we have been cultivating a fair and transparent value exchange between sellers and buyers since 2008, to ensure the success of our clients and the open web.

Read More

](https://www.openx.com/why-openx/premium-inventory/)

[

###### Demand Responsibility

As the first Net-Zero verified adtech company and the first SSP to launch Impact PMPs powered by Givsly, our approach to responsible media helps clients and partners reduce their environmental impact and support social initiatives while driving tangible business results.

Read More

](https://blog.openx.com/what-responsible-media-means-to-openx/)

"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 CondĂŠ Nast

### In The News

[See All](https://www.openx.com/news/)

[

March 18

2025

Press Release

March 18, 2025

### OpenX Promotes Jeanne Leasure to Chief People Officer, Reinforcing Commitment to a High-Performing Culture

](https://www.openx.com/press-releases/openx-promotes-jeanne-leasure-to-chief-people-officer-reinforcing-commitment-to-a-high-performing-culture/)

[

News

### ‘Rights, Equality, and Empowerment Shouldn’t Be Privileges—They’re Fundamentals’

](https://www.openx.com/news/audrey-michelin-rights-equality-and-empowerment-shouldnt-be-privileges/)

[

News

### Advertisers put SSPs and curators under the microscope in sell-side push for ad tech fee transparency

](https://www.openx.com/news/advertisers-put-ssps-and-curators-under-the-microscope-in-sell-side-push-for-ad-tech-fee-transparency/)

The Quality and Scale You Deserve

---------------------------------

We’re big, but we’re not the biggest. That’s intentional. We set elevated standards for our publisher, advertiser, and data partners so we can deliver the highest quality inventory, demand, and targeting solutions.

### 130,000+

Active Publisher Domains, Mobile Apps & CTV Apps

### 100,000+

Advertisers

### 365B+

Ad Requests per Day

### 1M+

Ad Creatives Run Per Day

### 250+

Data Providers

### 70%

Direct Publisher Integrations

### We demand a lot from ourselves, so you can demand more from us.

[Contact Us](https://www.openx.com/contact-us/)

*   [Our Platform](https://www.openx.com/why-openx/our-exchange/)

    *   [Our Exchange](https://www.openx.com/why-openx/our-exchange/)

    *   [Publishers](https://www.openx.com/publishers/)

    *   [Buyers](https://www.openx.com/buyers/)

    *   [OpenAudience™](https://www.openx.com/why-openx/openaudience/)

    *   [Premium Inventory](https://www.openx.com/why-openx/premium-inventory/)

*   [About Us](https://www.openx.com/company/)

    *   [About Us](https://www.openx.com/company/)

    *   [Careers](https://www.openx.com/careers/)

    *   [Sustainability](https://www.openx.com/sustainability/)

*   [Resources](https://www.openx.com/resources/)

    *   [News & Press](https://www.openx.com/company/press/)

    *   [Blog](http://blog.openx.com/)

    *   [Case Studies](https://www.openx.com/case-studies/)

*   [Support](https://community.openx.com/s/)

    *   [Community](https://community.openx.com/s/)

    *   [Technical Documentation](https://docs.openx.com/)

    *   [Contact](https://www.openx.com/contact-us/)

*     

*   [Our Platform](https://www.openx.com/why-openx/our-exchange/)

    *   [Our Exchange](https://www.openx.com/why-openx/our-exchange/)

    *   [Publishers](https://www.openx.com/publishers/)

    *   [Buyers](https://www.openx.com/buyers/)

    *   [OpenAudience™](https://www.openx.com/why-openx/openaudience/)

    *   [Premium Inventory](https://www.openx.com/why-openx/premium-inventory/)

*   [About Us](https://www.openx.com/company/)

    *   [About Us](https://www.openx.com/company/)

    *   [Careers](https://www.openx.com/careers/)

    *   [Sustainability](https://www.openx.com/sustainability/)

*   [Resources](https://www.openx.com/resources/)

    *   [News & Press](https://www.openx.com/company/press/)

    *   [Blog](http://blog.openx.com/)

    *   [Case Studies](https://www.openx.com/case-studies/)

*   [Support](https://community.openx.com/s/)

    *   [Community](https://community.openx.com/s/)

    *   [Technical Documentation](https://docs.openx.com/)

    *   [Contact](https://www.openx.com/contact-us/)

*     

[Privacy Center](https://www.openx.com/privacy-center/) [Do Not Sell or Share My Personal Information](https://www.openx.com/privacy-center/browser-opt-out-portal/)

*   [Legal](https://www.openx.com/legal/)

*   [Terms & Conditions](https://www.openx.com/legal/terms-and-conditions/)

*   [OpenX Website Privacy Policy](https://www.openx.com/privacy-center/privacy-policy/)

*   [Interest-Based Advertising](/privacy-center/ad-exchange-privacy-policy/#section-5)

*   [CMS-TiC – Kaiser](https://healthy.kaiserpermanente.org/colorado/front-door/machine-readable)

*   [CMS-TiC Blue Shield](https://www.blueshieldca.com/en/home/help-and-resources/machine-readable-files)

*     

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