Understanding vendor fees for Marketplace Vendors

Marketplace Vendors
Last Updated: April 30, 2026

Marketplace Vendors provide valuable services and solutions that Marketplace PartnersClosed The owner of an Index Marketplace that curates their media solutions within the Index Marketplace and packages these offerings to bring incremental demand to media owners. For example, a Marketplace Partner could be a media agency, a data provider, or retail media network. can use to enhance their Marketplaces. In exchange for using these solutions and services, Marketplace Vendors may collect a Marketplace Vendor Fee. Like other Marketplaces transactions, bids compete net of fees. This means that fees are removed from the bid price before the auction is conducted, and the net bidClosed The bid price after Index fee or, if applicable, Marketplace fees. price competes against a publisherClosed The owner of a website or app where advertisements are served.'s open market and private market demand. This allows all parties in the transaction to collect the highest revenue possible on every transaction.

Example: Percentage fee with a Marketplace Vendor Fee

The following diagram shows an example revenue share structure where a Marketplace Partner earns a percentage of media spend and a Marketplace Vendor earns a CPMClosed Cost Per Thousand (CPM). A pricing structure for buying impressions and is the cost of serving an advertisement 1,000 times. Also known as Cost Per Mille (where M represents 1,000 in Roman numerals) or Cents Per Mille. fee. In this example, a DSPClosed Demand-Side Platform (DSP). A software platform that automates bidding decisions in real-time and efficiently connects buyers and audiences through an ad exchange or SSP. Also known as a buy-side platform. has returned a gross bid of $10. The $10 gross bid (Marketplace Media Spend) minus a 5% Marketplace OwnerClosed Also known as a Marketplace Partner. This term is used in reporting metrics to represent the owner of an Index Marketplace that curates their media solutions within the Index Marketplace and packages these offerings to bring incremental demand to media owners. For example, a media agency, a data provider, or retail media network. Fee, a $1.00 Marketplace Vendor Fee, and a 15% Index revenue share with the Media Owner results in a net bid price of $7.22. The Marketplace competes in the Index auction using the net bid price of $7.22. If the bid wins the auction and results in an impression, the Media Owner earns $7.22, the Partner earns $0.50, the Marketplace Vendor earns $1.00, and Index earns $1.28.