The AppNexus Marketplace

Connecting the world’s premier buyers and sellers
of digital advertising

The world’s leading destination for quality, efficient, and brand-safe digital advertising

Offering people-based advertising, viewable buying, and fee transparency, the AppNexus Marketplace finally brings the functional advantages of advertising on first-party social platforms to the open internet.


of comScore 200 publishers


of Ad Age 100 advertisers


daily creatives trafficked


direct publisher connections

Properties - Quality


With a dual focus on curation and innovation, AppNexus provides direct integrations between the world’s leading independent publishers and advertisers. Reach your audience on the world’s premier websites and apps, across every format and device, with the assurance of quality and safety.

Properties - Safety


Advertise in a brand-safe environment. We enforce strong prohibitions against domains and apps that traffic in hate speech, graphic violence, pornography, and fake news.

Properties - Cost

Cost Effectiveness

The AppNexus Marketplace charges competitive technology fees and offers the most direct path between buyers and sellers to ensure better outcomes for all marketplace participants.



AppNexus brings transparency to the media supply chain so buyers and sellers understand exactly which impressions were bought, and what technology fees were charged.

Marketplace Capabilities

AppNexus Marketplace Mutli-channel and Multi-format

Multi-Channel & Multi-Format

AppNexus Marketplace technology helps advertisers target their audiences in new environments and publishers profit as consumers shift to new channels and formats. Connect with your audience on any device or ad format to deliver a superior user experience, whether through desktop, mobile, video, audio, native, or display. Expand your digital media mix by delivering successful multi-format campaigns across media and device types.

AppNexus Marketplace Deals


Activate custom-tailored relationships between buyers and sellers. AppNexus offers the most flexible private marketplaces in the market. Mix and match criteria like prioritized access, pricing type, floor transparency, special formats, sizes, and exclusivity to manage deals in ways no other platform can support.

AppNexus Marketplace Guaranteed Views

Guaranteed Views

AppNexus Guaranteed Views enables advertisers to pay only for ads measured as viewable based on more efficient decisioning at the time of auction, as opposed to historical averages. As a result, budgets are more efficiently spent on viewable impressions that also achieve desired outcomes. It’s the only way to ensure that you never pay for non-viewed inventory across the open internet.

AppNexus Guaranteed Completes

Guaranteed Completes

AppNexus Guaranteed Completes allows buyers to only pay for 100% completed digital video ads on the open internet.  Able to effectively transact on video completions, buyers can now focus their time and resources on other important performance metrics. AppNexus harnesses the power of machine learning to generate a more efficient campaign workflow process so buyers can more easily transact in the way they want.

A Marketplace for Every Format

AppNexus Marketplace for Buyers
Efficiently reach your target audience in the largest independent marketplace
AppNexus Marketplace for Buyers

Access the best path to quality supply, buy inventory the way you want, and partner with a leader in innovation.

AppNexus Marketplace for Sellers
Maximize revenue in the largest independent marketplace
AppNexus Marketplace for Sellers

Grow your revenue and provide a superior user experience with a trusted partner.

Marketplace Insights

Find the latest blogs, case studies, and more

Case Study
AppNexus + Microsoft

Transparency and Trust: How Microsoft is Delivering Quality at Scale through the AppNexus Platform

Read The Case Study
Blog Post
Blog Post
How Operam Improved vCPMs and CPCs with AppNexus Guaranteed Views

In today’s always-on world, advertisers demand complete transparency into their programmatic ads – how they’re…

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Blog Post
Blog Post
Selling Deals: Best Practices for Structuring Your Sales Organization for Success

We’ve all heard by now that programmatic is the way of the future – eMarketer estimates that by 2020, programmatic ads…

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