An IAB Tech Lab software development kit that lets third-party verification vendors measure viewability and invalid traffic inside apps and CTV environments without each vendor installing its own code. OM SDK adoption is the prerequisite for MRC-accredited in-app viewability measurement.
Related terms
Cite this entry:
Agency Echelon. "Open Measurement." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/open-measurement/