WPP, XAXIS AND APPNEXUS ANNOUNCE STRATEGIC TRANSACTION AppNexus Acquires Open AdStream Ad Serving Platform from Xaxis; WPP Will Take Equity Stake in AppNexus with $25 Million Investment Deal Enhances AppNexus’ Position as Industry’s Largest Independent Ad Serving Platform; Strengthens Xaxis’ Position as Leader in Programmatic Media Products
AppNexus Acquires Leading Advertising Viewability Company Alenty
AppNexus: Powering the ads that power the internet
AppNexus is Made in New York
AppNexians: Solving Advertising's Biggest Challenges

APPNEXUS TECHNOLOGY POWERS THE MOST INNOVATIVE TRADING SOLUTIONS AND MARKETPLACES FOR INTERNET ADVERTISING.

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 On The
Industry’s
Best
Ad Server
Maximize revenue across all demand sources on a single digital ad delivery platform.
Build A
Custom
Exchange
Monetize your inventory and drive higher yield with access to more sources of demand and best-in-class tools.

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AppNexus News

AppNexus Acquires Cross-Device Technology Leader MediaGlu
December 19, 2014

Acquisition Caps a Year of Robust Growth and Allows Buyers to Better Connect with Consumers across Desktop and Mobile Devices.

AppNexus Launches Industry-First Certified Supply Program to Eradicate Fraud
November 5, 2014

AppNexus Partners with DoubleVerify, Integral Ad Science, Microsoft, PubMatic and Xaxis to Create New Classification Standard to Guarantee Fraud-Free Online Advertising Inventory

AppNexus Events

Jan
6
Consumer Electronics Show
Las Vegas, Nevada

AppNexus is attending the annual Consumer Electronics show. This event will take place January 6-9, 2015 in Las Vegas, Nevada.

Jan
21
Ad Exchanger's Industry Preview
New York City, New York

AppNexus is attending and sponsoring Ad Exchanger's Industry preview. This event will take place January 21-22, 2015 in New York City.