AppNexus brings industry-leading ad technology platform to mobile. Team that unlocked wave of innovation and spend in display takes on mobile.
AppNexus Named OnMedia 100 Company of the Year
AppNexus is Made in New York
Digital Advertising's Most Innovative Companies Build Their Businesses On AppNexus
Transforming Advertising Into A Force for Good
AppNexians: Solving Advertising's Biggest Challenges
Innovation at AppNexus: More Than Just A Catchphrase
The Industry's Only Open and Customizable Ad Tech Platform

APPNEXUS IS TODAY'S MOST POWERFUL, OPEN AND CUSTOMIZABLE ADVERTISING TECHNOLOGY PLATFORM. ADVERTISING'S LARGEST AND MOST INNOVATIVE COMPANIES BUILD THEIR BUSINESSES ON APPNEXUS.

Build A
Differentiated
Ad Network
Improve performance and scale your business with the industry's most customizable technology stack.
Build A
Trading
Desk
Focus on developing and showcasing your unique expertise, not on building infrastructure.
Build An
AppNexus
App
Bring your vision to life on a platform connected to more of the industry's buyers and sellers.
Build A
Custom
Exchange
Monetize your inventory and drive higher yield with access to more sources of demand and best-in-class tools.

View A Few Of Our Case Studies:

AppNexus News

AppNexus Strengthens Global Management Team with Appointment of Brandon Paine and Jerome Underhill
June 6, 2013

AppNexus, which offers the industry’s most powerful, open and customizable advertising technology platform, announced today at its first-ever European Summit that two widely respected ad tech executives, Brandon Paine and Jerome Underhill, are joining the company at a time of rapid global expansion. 

Hi-Media and AppNexus Deepen European Partnership with Multi-Country Agreement
June 6, 2013

Hi-Media, a European leader in digital audience monetization, today announced an expanded partnership with AppNexus, the industry’s largest independent ad tech company.  

AppNexus Events

Jun
26
The Seller Forum
New York, NY

AppNexus is the event sponsor of the Seller's Forum in June, an invitation-only event organized by the Upstream Group's Advisory Board. The Seller Forum is for EVPs, SVPs, CROs and Vice Presidents who have national, North American or global responsibilities. During this one-day discussion program participants can compare notes with their peers on the key issues they face in running their businesses. While there is never any discussion of pricing, the group finds plenty to talk about, including the state of behavioral targeting, approaches to managing the terms and conditions process, successful hiring strategies and much, much more.

Jul
22
O'Reilly OSCON
Portland, OR

AppNexus is a sponsor of O'Reilly OSCON (Open Source Convention), a five-day gathering of thousands of the best and brightest minds in technology exploring all things open source. Director of Optimization Dave Himrod, Engineering Manager Steve Kannan, and Software Engineer Angelica Pando will be presenting "Python in an Evolving Enterprise Ecosystem," an evaluation of various Python-Hadoop integration solutions.