An insertion order (IO) is a document (often a contract) that outlines the terms of the campaign, including the campaign’s start and end dates, placement, ad format, size, pricing model (e.g. CPM or CPC), as well as:
- Target group, traffic, branding, etc.
- Banner sizes, ads placement, pages to display the ads on.
- The pricing model (CPM, CPC, etc.) and payment terms.