IAB Tech Lab ships OpenProposal draft for ad-buying agents
On September 22, 2026, IAB Tech Lab released AAMP 3.0 with OpenProposal, a draft spec for how seller agents describe ad products and how buyer agents compare them to a campaign brief. Public comment runs through October 22, and IAB Australia opened a seller sandbox on synthetic data.
- OpenProposal is wired to AdCOM, OpenDirect and the Deals API
- Public comment on the draft runs through October 22, 2026
- IAB Australia opened a seller sandbox on synthetic data
- OpenRTB has no proposal_id linking auctions to the winning proposal
Read next
Software