Maximize site monetization

Publisher monetization shouldn’t be a one-size-fits-all approach. Epsilon can help you tap the power of your audience and enhance monetization with tools and flexible integrations that adapt to your business needs. With our direct demand, premium technology platform, and future-proofed publisher identity solutions, you can unlock the most value from your properties.

CORE Private Exchange: the complete publisher platform that powers monetization and control

Advanced UI

Manage, analyze and optimize your inventory with our transparent, robust publisher interface.

Identity solutions

With two identity solutions, we enable incremental impressions and revenue by immediately and accurately identifying your traffic (including cookieless visitors).

Publisher API

Get the information you need, where you need it. Connect to our API and access your metrics in your own systems.

Why join CORE Private Exchange?

Access to direct demand

Connect your audience to premium advertisers, with direct demand backed by Epsilon and Publicis Groupe. We support 19 formats across web, in-app, OLV and CTV.

Streamline inventory management with heightened control

Our intuitive publisher UI gives you the detailed real-time reporting, yield-management tools and brand safety controls you need to optimize performance.

Boost and future-proof your monetization potential with proven identity solutions

With Epsilon’s identity solutions, PubLink and Shared ID with Reverse Proxy*, you can immediately and accurately identify previously unaddressable traffic, leading to incremental impressions and revenue. Built on first-party identifiers and authenticated data, our solutions are insulated from third-party cookie deprecation and potential regulation.

*SharedID is an open-source identifier maintained by Prebid. Reverse Proxy is an Epsilon-specific integration extension that improves upon an existing Shared ID implementation.

Learn more about our identity solutions

Receive support without the hassle

We’ll help you make the most of our solutions. Every publisher has a dedicated, live support representative to help you build effective strategies and troubleshoot questions.

What makes us different

No fees

Epsilon charges zero fees, so you capture more revenue per ad sold.

Direct demand

We connect your inventory to demand from Epsilon and Publicis Groupe media clients, which represent the top brands in the world.

Immediate lift

Our publisher identity solutions connect to Epsilon’s robust ID graph of 200M+ U.S. consumers, allowing us to identify traffic and increase impressions right from the start.