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# DSP (Demand Side Platform)
- URL: https://www.adlingo.org/glossary/dsp/
- Published: 2025-01-15T11:10:00.000Z
- Updated: 2025-01-15T11:10:00.000Z
- Description: Software platform that allows advertisers to buy digital ad inventory across multiple exchanges through a single interface.
- Author: Travis Lusk
- Tags: Programmatic, #glossary, #Import 2026-10-27 17:05

The software buyers use to bid on programmatic inventory across exchanges, SSPs, and deal marketplaces from a single interface. Budget, targeting, creative, and bid strategy all live here. The DSP also provides the reporting. What it doesn't provide is full visibility into how the auction actually worked, which fees were taken upstream, or exactly where the ad ran. That transparency gap is the reason SPO and supply path audits exist.