Index Exchange
Publisher ad server software
Supply side platforms (SSP)
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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Pay-as-you-go
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Small
Medium
Large
- Media and communications
- Arts, entertainment, and recreation
- Banking and insurance
What is Index Exchange
Index Exchange is a programmatic advertising supply-side platform (SSP) that helps digital publishers and content owners sell ad inventory through real-time auctions and private marketplace deals. It is used by publisher ad operations teams to manage yield, connect to demand sources, and apply controls such as floors and deal terms across display, video, and mobile web/app inventory. The platform emphasizes exchange-based selling with integrations into common ad tech standards and measurement frameworks.
Strong programmatic exchange focus
The product is built around auction-based selling and deal-based transactions (e.g., private marketplaces) for publisher inventory. This aligns well with publishers that prioritize programmatic revenue optimization rather than running a full ad-serving stack. It supports common programmatic workflows such as setting pricing rules and packaging inventory for buyers.
Broad inventory and format support
Index Exchange supports multiple inventory types typically monetized via SSPs, including display and video, across web and in-app environments. This helps publishers centralize monetization for different properties without using separate tools per format. It also supports integrations that are commonly required for programmatic trading and measurement.
Publisher controls and deal tooling
The platform provides controls used by publisher ad ops teams, such as floor management and deal configuration. These capabilities help publishers manage buyer access and pricing strategy across open auction and curated deals. For organizations with direct sales plus programmatic, this can support a structured approach to packaging and monetizing inventory.
Not a full ad server
As an SSP, Index Exchange does not replace a publisher ad server for tasks like direct campaign trafficking, line-item prioritization, and unified delivery decisioning across direct and programmatic. Many publishers still require a separate ad server to manage direct-sold campaigns and holistic forecasting. This can increase stack complexity and integration work.
Complexity for smaller publishers
SSP configuration (floors, deal setup, identity/consent handling, and reporting interpretation) can require experienced ad operations resources. Smaller publishers may find the operational overhead higher than managed-service monetization offerings. Time-to-value can depend on traffic scale and the ability to actively manage settings.
Programmatic market dependencies
Performance depends on external demand conditions, buyer adoption of deals, and broader privacy/identity changes in the advertising ecosystem. Publishers may need to invest in consent management, identity strategies, and measurement alignment to maintain performance. These dependencies can introduce variability that is not fully controllable within the SSP.
Plan & Pricing
Pricing model: Pay-as-you-go (transaction-based take rate) How it works: Index charges a single transaction fee ("One Index fee") applied as a percentage (configured take rate) of transaction revenue. Publisher revenue share is reported as 1 - Index take rate. Marketplace Owners may also assess a Marketplace Fee (either a percentage of media spend or a flat CPM) that is applied alongside Index’s fee. Example costs (official KB examples):
- Example A: $10 gross bid — Marketplace Owner Fee 5% + Index revenue share 15% → Publisher receives $8.08; Index revenue = $1.42.
- Example B (fixed CPM example): $10 gross bid — Marketplace Owner Fee $1 CPM + Index revenue share 15% → Publisher receives $7.65; Index revenue = $1.35. Discounts / incentives: Exchange Fee Reduction (XFR) and Volume Incentives (buyer-side programs) can reduce Index’s fee; Index also offers dynamic take rates to adjust fees in-auction. Other notes: Index states it does not charge data fees for its Data Vendor Ecosystem; reporting fields expose configured take rate and publisher revenue share.
Seller details
Index Exchange, Inc.
Toronto, Ontario, Canada
2001
Private
https://www.indexexchange.com
https://x.com/indexexchange
https://www.linkedin.com/company/index-exchange/
