AdCP vs AAMP vs A2A: What Each One Actually Does
Nov · 2 min read
Three acronyms, three different layers of the stack, and none of them answer the question that actually matters.
A2A
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A2A
ProgrammaticAIAI AgentsStandardsMedia BuyerAgent-to-AgentUS MarketAAMPAdCPMeasurementBrand SafetyPublisherCTVMarketplaceConcourse BenchDealSheetConcourseSupply Path OptimisationAgencyAlkimiMarket Futureprogrammatic advertisingPublishersMandateTransparencySME AdvertisingStrategyExplainerA2A Protocolagentic marketplaceAI media buyerbenchmarkbuying mandateevaluationindustry definitionsconnected TVdeal managementearned autonomyonboardingOpenProposalPrivacySustainability2026A2Aad spacead techadtechadvertisingadvertising negotiationsAEOagent API costagent buying AI searchagent marketplaceagent protocol comparisonagent-to-agent negotiationagentic advertising costagentic advertising stagesAgentic Advertsisingagentic buyingagentic mediaagentic media buyingAI advertisingAI agent configurationAI agent governanceAI chat adsAI indexingAI media buying costAI related researchAI search advertisingAlkimi GymApostraAre AI agents already in use in advertising?autonomous biddingbilateral deal governancebilateral governancebrand safety programmaticBuyer's GuideCan a buying agent go above its price mandate?Can AI agents be trusted to manage advertising budgets?ChatGPT advertisingconversational advertisingCTV advertisingdeal negotiationdeal recorddeal record auditdeal structuredigital agentsdirect buyingDSPFAQgetting startedGlossaryGRPOHow do AI shopping and media-buying agents negotiate prices with publishers?How do programmatic buyers audit what was agreed in a deal?How do programmatic buyers get a verifiable record of what was agreed in a media deal?How do you maintain brand safety when AI agents are buying media?How does a publisher agent respond?How does A2A work in an advertising context?How does agent-to-agent negotiation reduce the number of intermediaries in ad buying?How does AI change the relationship between buyers and publishers?How does an agent use a deal record during a campaign?How does an agentic marketplace handle deal disputes between buyer and publisher agents?How is a machine-readable ad deal structured for agent-to-agent negotiation?How is agentic advertising different from AI-assisted advertising?How is artificial intelligence changing programmatic advertising?How should buyers prepare?human oversightIAB Tech LabinfrastructureintegrationIs A2A in use in advertising today?KPIsllms.txtmachine-readablemandate managementmandate settingmarket landscapemarketing managerMCP advertisingmedia buying governancemedia buying ROImedia planningmodel context protocolOpenRTBPerplexity advertisingPrebidpremium TVprogrammatic accountabilityprogrammatic dealsprogrammatic standardprotocolpublisher discoveryRetail Mediasmall advertisersSmall Businesssponsored answerssponsored contentToken CostTV AdvertisingviewabilityWhat are AI agents in advertising?What are the conditions for this future to arrive?What are the risks of using AI agents for media buying?What are the three main types of AI agent in advertising?What capabilities distinguish a mature AI-powered marketplace?What decisions are AI agents taking over in programmatic advertising?What does a buying agent's opening position contain?What does a marketplace do that an exchange does not?What does A2A handle and what does it not handle?What does A2A handle?What does AAMP handle?What does agentic advertising mean?What does AI not change in programmatic advertising?What does an AI agent actually do in an ad transaction?What does the compressed supply chain look like?What does the supply chain look like when agents are the primary transactors?What fields must a machine-readable ad deal contain?What is a deal sheet in programmatic advertising?What is A2A protocol and how is it used in advertising?What is an AI-powered advertising marketplace?What is bilateral deal ownership in programmatic advertising?What is the current state of protocol adoption?What is the future of programmatic advertising?What is the governance gap that AI creates?What makes a deal record "bilaterally verifiable"?What makes a negotiated price enforceable?What makes an advertising operation genuinely agentic?What problem does A2A solve?What protocols let advertising agents transact directly with publisher agents?What role do humans play in an AI-powered marketplace?What should buyers expect from agentic advertising platforms?Where is agentic advertising operating in production today?Which intermediary functions does agent-to-agent negotiation eliminate?Which intermediary functions persist?Which parts of the current infrastructure survive?Why are both protocols necessary but not sufficient?Why are there so many intermediaries in programmatic advertising today?Why does agent infrastructure matter more than agent capability?Why does the audit metadata matter?Why does the marketplace need to be neutral?
A2A
AllAgentic AdvertisingMedia BuyingDeal GovernanceProgrammaticAIAI AgentsStandardsMedia BuyerAgent-to-AgentUS MarketAAMPAdCPMeasurementBrand SafetyPublisherCTVMarketplaceConcourse BenchDealSheetConcourseSupply Path OptimisationAgencyAlkimiMarket Futureprogrammatic advertisingPublishersMandateTransparencySME AdvertisingStrategyExplainerA2A Protocolagentic marketplaceAI media buyerbenchmarkbuying mandateevaluationindustry definitionsconnected TVdeal managementearned autonomyonboardingOpenProposalPrivacySustainability2026A2Aad spacead techadtechadvertisingadvertising negotiationsAEOagent API costagent buying AI searchagent marketplaceagent protocol comparisonagent-to-agent negotiationagentic advertising costagentic advertising stagesAgentic Advertsisingagentic buyingagentic mediaagentic media buyingAI advertisingAI agent configurationAI agent governanceAI chat adsAI indexingAI media buying costAI related researchAI search advertisingAlkimi GymApostraAre AI agents already in use in advertising?autonomous biddingbilateral deal governancebilateral governancebrand safety programmaticBuyer's GuideCan a buying agent go above its price mandate?Can AI agents be trusted to manage advertising budgets?ChatGPT advertisingconversational advertisingCTV advertisingdeal negotiationdeal recorddeal record auditdeal structuredigital agentsdirect buyingDSPFAQgetting startedGlossaryGRPOHow do AI shopping and media-buying agents negotiate prices with publishers?How do programmatic buyers audit what was agreed in a deal?How do programmatic buyers get a verifiable record of what was agreed in a media deal?How do you maintain brand safety when AI agents are buying media?How does a publisher agent respond?How does A2A work in an advertising context?How does agent-to-agent negotiation reduce the number of intermediaries in ad buying?How does AI change the relationship between buyers and publishers?How does an agent use a deal record during a campaign?How does an agentic marketplace handle deal disputes between buyer and publisher agents?How is a machine-readable ad deal structured for agent-to-agent negotiation?How is agentic advertising different from AI-assisted advertising?How is artificial intelligence changing programmatic advertising?How should buyers prepare?human oversightIAB Tech LabinfrastructureintegrationIs A2A in use in advertising today?KPIsllms.txtmachine-readablemandate managementmandate settingmarket landscapemarketing managerMCP advertisingmedia buying governancemedia buying ROImedia planningmodel context protocolOpenRTBPerplexity advertisingPrebidpremium TVprogrammatic accountabilityprogrammatic dealsprogrammatic standardprotocolpublisher discoveryRetail Mediasmall advertisersSmall Businesssponsored answerssponsored contentToken CostTV AdvertisingviewabilityWhat are AI agents in advertising?What are the conditions for this future to arrive?What are the risks of using AI agents for media buying?What are the three main types of AI agent in advertising?What capabilities distinguish a mature AI-powered marketplace?What decisions are AI agents taking over in programmatic advertising?What does a buying agent's opening position contain?What does a marketplace do that an exchange does not?What does A2A handle and what does it not handle?What does A2A handle?What does AAMP handle?What does agentic advertising mean?What does AI not change in programmatic advertising?What does an AI agent actually do in an ad transaction?What does the compressed supply chain look like?What does the supply chain look like when agents are the primary transactors?What fields must a machine-readable ad deal contain?What is a deal sheet in programmatic advertising?What is A2A protocol and how is it used in advertising?What is an AI-powered advertising marketplace?What is bilateral deal ownership in programmatic advertising?What is the current state of protocol adoption?What is the future of programmatic advertising?What is the governance gap that AI creates?What makes a deal record "bilaterally verifiable"?What makes a negotiated price enforceable?What makes an advertising operation genuinely agentic?What problem does A2A solve?What protocols let advertising agents transact directly with publisher agents?What role do humans play in an AI-powered marketplace?What should buyers expect from agentic advertising platforms?Where is agentic advertising operating in production today?Which intermediary functions does agent-to-agent negotiation eliminate?Which intermediary functions persist?Which parts of the current infrastructure survive?Why are both protocols necessary but not sufficient?Why are there so many intermediaries in programmatic advertising today?Why does agent infrastructure matter more than agent capability?Why does the audit metadata matter?Why does the marketplace need to be neutral?