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Scope3

Ad Exchange

Agent-to-agent advertising interchange built on the open AdCP protocol

scope3.com

What you buy

FormatsDisplay · Video · Native · CTV · Audio · DOOH
Deal typesOpen auction · PMP

How to place an ad

How to open an account here, what it takes and the minimum spend.

In the news

Launched

Jun 4, 2026

InMobi and Scope3 launch a sell-side AI agent for publishers

ReadSource
Launched

Jun 2, 2026

InMobi, Scope3 Debut Sell-Side Agent for Autonomous Media Buying

ReadSource
All 6 stories about Scope3

Publishers Scope3 can sell

Which publishers this platform can sell, largest first.