The next phase of programmatic is here. Learn how agentic sell-side decisioning brings intelligence to the impression, reshaping performance on the open internet.
Read moreIndex Marketplaces for Media Owners
When more money goes to working media—thanks to no added platform fees—you capture more ad spend from marketers and improve yield without any extra work. Keep full control of your inventory, data, and existing platform settings while gaining clearer insight into how your supply performs.
When more money goes to working media—thanks to no added platform fees—you capture more ad spend from marketers and improve yield without any extra work. Keep full control of your inventory, data, and existing platform settings while gaining clearer insight into how your supply performs.
Earn more from every impression
Earn more from every impression
Unlock incremental demand opportunities
Get your inventory in front of new, high-quality demand based on buyer intent, —without added fees or operational lift.
Stay in control of your settings
Marketplaces automatically respects your existing floors, blocks, and data-sharing preferences, so you never have to change how your supply is managed.
See the real value of your inventory
Gain clear, actionable insight into who’s buying, what they’re buying, and at what price—all without hidden fees or opaque market dynamics. With full visibility into deal terms and performance drivers, you can strategically optimize your packaging, pricing, and content strategies.
Stay focused on what you do best
Single fee
With Marketplaces, you receive more net ad spend compared to platforms that introduce additional or stacked fees for this type of demand.
No integration required
Tap into new demand instantly. Your existing Index settings for floors, ad quality, and billing automatically carry over.
No operational lift
Your current platform settings work seamlessly with Marketplaces, so there’s nothing new you need to configure or manage.
In-depth reporting
Gain a clear understanding of where new demand is coming from and how Marketplaces influences revenue, performance, and yield.
Built with the industry, for the industry
Our ecosystem of data, measurement, and curation partners helps elevate the value of your supply while keeping your controls intact. Together, we’re creating a more transparent, efficient, and premium marketplace for independent media.
Hear from Marketplace partners
“Index Marketplaces effectively allows us to move into this new era where every consumer is addressable, every signal can be used to drive outcomes, and we can deliver performance on the open internet that rivals walled gardens.”
– Joe Root
Co-founder and CEO of Permutive
“With Index Marketplaces, we’re not just accessing better supply—we’re making smarter decisions earlier in the process. Sell-side decisioning allows us to shape outcomes more proactively, delivering consistent results our clients can trust.”
– Britany Scott
VP of Growth, Smart Supply by AI Digital
“What used to feel complicated, for example, combining different datasets or timing campaigns to real-world conditions, now happens automatically with sell-side decisioning.”
– Dave Olesnevich
VP of Weather Data and Advertising Products at The Weather Company
“By leveraging intelligent curation, we’re not only reducing waste but also setting a new standard for programmatic efficiency. This partnership exemplifies how industry leaders can come together to push the boundaries of what’s possible, ensuring long-term value for brands, publishers, and media buyers alike.”
– Ryan Lammela
Group Director, Channel Activation, Butler/Till
CASE STUDY
How Smart Supply by AI Digital Improved Video KPIs by 19% via Index Marketplaces
Learn how Index Marketplaces and sell-side decisioning helped Smart Supply deliver impressive video performance, driving efficiency and long-term value.
Learn moreCASE STUDY
How SWYM.ai Leveraged Index Marketplaces To Deliver 56% Boost in Client KPIs for Butler/Till
Leveraging Index Marketplaces, SWYM.ai was able to train their algorithm on performance signals across the entire transaction—including sell-side signals from Index’s robust, high-quality supply.
Learn moreAn Award-Winning Platform
AdExchanger Best Sell-Side Focused Technology
Frost & Sullivan’s Global New Product Innovation Recognition
Learn more about Index Marketplaces and become a partner today
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