Manage Your Demand, Not Your Wrapper


A Smarter Core Engine

Our AI/ML-powered “micro-wrapper” is 500ms faster than traditional wrappers, automatically optimizing the bidder mix, timeouts, and ad formats for every user.

Unprecedented Control

Fine-tune auction mechanics in real-time. Manage your own header bidding setup and run A/B tests with our built-in framework to maximize yield.

Expertise on Demand

Get direct, 24/7 access to 200+ global experts in yield, product, and engineering. We boast a 77+ NPS score—service on par with The Ritz-Carlton, without the support queue.

Is Flex Right for You?

TARGET AUDIENCE

  • Publishers with sophisticated in-house ad ops teams.
  • Those who are outgrowing a fully managed service.
  • Teams that want more autonomy and control over their ad stack.

PAIN POINTS

  • Lack of time, resources, or expertise to build a world-class header bidding solution from scratch.
  • Needing more transparency and control than a fully managed solution offers.

Ready for a worry-free partnership?

A step-by-step overview of the Flex platform’s capabilities.

  • Manage your own header bidding setup. 
  • Fine-tune auction mechanics in real-time with manual and AI/ML-optimized floors, timeouts, and bidder configurations.
  • Utilize the advanced reporting and analytics suite to make data-driven decisions. 
  • Run experiments with different ad stacks using built-in A/B testing tools.
  • Leverage the comprehensive identity testing framework. 
  • Seamlessly integrate with a wide array of third-party technologies. 
  • Access Freestar’s expert team through an integrated chat feature. 

We’re Built for Publishers, By Publishers.

Proven
Technology

Built on Freestar’s award-winning monetization platform that has been perfected over a decade. 

Publisher-First
Approach

Our only loyalty is to your revenue growth. We don’t bid on your inventory, which guarantees zero conflict of interest.

Unparalleled
Flexibility:

our partners, plus ours. Seamlessly add demand from our premium vetted marketplace to fill any gaps and boost revenue.