A Software Suite for Building Better Advertising Solutions

OpenXBuild™ is a software suite that enables marketers to easily build secure, high-performing, interoperable advertising solutions on a sustainable, global infrastructure.

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Key benefits

Stronger Performance, Proven Outcomes

Stronger Performance,
Proven Outcomes

Easily deploy your data and intelligence across channels and formats with real-time bidding solutions. Expand reach and improve advertising performance at the source.

Faster, Easier, Cost-Effective, and Secure

Deploy advertising solutions once on sustainable, global infrastructure, then activate on your preferred demand-side platform (DSP) to reduce complexity, lower operational overhead, and accelerate decision-making.

Better Advertising Solutions

Build your own adtech with access to unique audience, publisher, and supply-side auction data. Train AI models, build agentic workflows, or develop new measurement capabilities.

OpenXBuild

Real-time advertising solutions and sustainable programmatic infrastructure

500B+

Average daily ad requests to shape outcomes*

*Source: Internal OpenX reporting

272M+

Individual people addressable through our ID Graph

45+

Unique signals per ad request to drive insights

“With OpenXBuild, we can apply our audience enrichment and bidding algorithms directly inside the exchange. By evaluating impressions closer to supply and bidding more selectively, advertisers have seen a 70% reduction in cost-per-conversion on OpenX traffic compared to unshaped SSP inventory.”

Teddy Jawde / SVP, Product Management

The OpenXBuild Software Suite

Real-Time Bidstream API

Safely and easily deploy your data and decisioning within OpenX infrastructure for real-time pre-auction audience targeting, smarter bidding, maximizing efficiency, and improved performance.

Identity Resolution API

Enrich your data assets to increase qualified reach. Match IDs, data, and audiences, reducing risk and data leakage with the largest independent supply-side identity graph, reaching 272 million plus people.

Auction Insights API

Power measurement and insights. Access privacy-forward log-level data — including people exposures, supply dynamics, and auction results — to power reporting, model training, and campaign optimizations.