The Best PubMatic OpenWrap Alternative for Publishers

PubMatic OpenWrap operates as a wrapper solution tied to PubMatic's exchange, which means PubMatic takes a revenue share on every impression. BiddingStack is commission-free — you pay a transparent, flat fee for the platform and keep 100% of your ad revenue. No hidden margins, no exchange fees eating into your earnings.

With OpenWrap, auction data flows through PubMatic's infrastructure, making it difficult to verify whether all demand partners receive equal treatment. BiddingStack gives you complete visibility into every bid request, bid response, and auction outcome. You see exactly which demand partner won and at what price — no black boxes.

OpenWrap is built to funnel demand through PubMatic's own exchange, creating a dependency on their ecosystem. BiddingStack is exchange-agnostic. We connect you to all major SSPs and demand sources — including PubMatic — without favoring any single partner. You maintain full ownership of your demand relationships and can switch or add partners at any time.

When your wrapper solution is owned by an SSP, there is an inherent conflict of interest — the SSP has incentive to prioritize its own demand. BiddingStack has no exchange of its own, so every demand partner competes on a level playing field. This unbiased approach drives true competition and maximizes your CPMs.

Migrating to or setting up OpenWrap often requires significant development effort and coordination with PubMatic's team. BiddingStack's fully managed onboarding gets publishers live within one week. Our team handles the entire technical setup, demand partner configuration, and optimization — so you can start earning more without disruption.

Beyond header bidding, BiddingStack offers a complete ad management platform: Prebid.js and Prebid Server, Google Ad Manager integration, Amazon TAM, floor price automation, ad quality management, and real-time analytics — all in one dashboard. OpenWrap focuses primarily on the wrapper layer, leaving you to piece together the rest of your ad stack separately.