The IAB Tech Lab has released AAMP 3.0, which introduces the OpenProposal specification to standardize the RFP and proposal process for AI-driven media buying. The framework aims to bridge the gap between buyer briefs and buy commitments by enabling agent-readable proposals that integrate with existing industry standards like AdCOM and OpenDirect.
The introduction of OpenProposal addresses a critical bottleneck where human-led RFP processes could not keep pace with AI-driven execution. By standardizing how publishers represent ad products, the industry can now move toward automated negotiation and qualification without abandoning established programmatic infrastructure. This shift allows agencies like WPP Media and PMG to evaluate a significantly broader set of media opportunities than manual workflows permit. As these agentic protocols move from proof-of-concept to transaction-ready frameworks, the ecosystem will likely see increased pressure on legacy DSPs to support these machine-readable inputs. Watch for the conclusion of the public comment period on October 22, 2026, to signal the start of wider SDK implementation.
The IAB Tech Lab has been building toward agentic media buying for several years, and AAMP 3.0 represents the latest step in a broader standardization effort. The organization previously released AAMP 2.0 in 2024, which focused on automating the discovery and qualification phases of programmatic transactions. The new OpenProposal specification extends that work by addressing the proposal and negotiation stage that previously required manual intervention. This progression mirrors how the IAB Tech Lab has historically layered specifications, with each version building on prior infrastructure like AdCOM and OpenDirect rather than replacing it wholesale.
The competitive landscape for agentic advertising standards is intensifying. The IAB Tech Lab's broader agentic advertising initiative has drawn participation from major holding companies and independent agencies seeking to establish common protocols before proprietary systems fragment the market. Meanwhile, the programmatic ecosystem continues to grapple with how AI agents will interact with existing supply-side and demand-side infrastructure. The timing of AAMP 3.0 aligns with growing pressure on DSPs and SSPs to expose machine-readable interfaces that can participate in automated negotiation workflows.
From a technical standpoint, the specifications underlying AAMP 3.0 connect to a wider ecosystem of ad-tech standards that buyers evaluating agentic workflows must understand. AdCOM, the IAB Tech Lab's unified ad object model, provides the data structures that OpenProposal references for representing ad products and targeting parameters. OpenDirect handles the direct-sold transaction layer. Together, these specifications form the foundation on which agent-to-agent communication protocols operate. The challenge for implementation teams will be ensuring that AI agents can reliably parse and respond to proposals across publishers with varying levels of catalog standardization, particularly among smaller supply sources that may lack the resources to fully adopt machine-readable product descriptions.
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