ACore Concepts
Agent-to-Agent Commerce
Commerce transactions conducted entirely between AI agents without human involvement, also known as A2A commerce.
View definitionAgentic Commerce Glossary
Definitions, concepts, and infrastructure for understanding how AI shopping agents, autonomous buying, and commerce orchestration are reshaping retail.
This glossary is built for brands, agencies, operators, and commerce platforms that need a shared language for the next interface layer. Each entry is designed to be clear enough for fast reference and structured enough to support search, AI citations, and deeper internal linking across the site.
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New to agentic commerce? These five terms explain the shift from AI-assisted shopping to delegated, machine-mediated buying.
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Agentic Commerce
Shopping powered by AI agents acting autonomously on behalf of consumers or businesses to anticipate needs, navigate options, and execute transactions.
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AI Shopping Agent
An autonomous AI system that acts as a personal shopper, understanding preferences, comparing options, and making purchase recommendations or decisions.
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Agent Marketplace
A platform where AI shopping agents are bought, sold, customized, or selected by consumers and businesses based on specializations and ratings.
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Autonomous Buyer
An AI agent with full decision-making authority to make purchases without requiring explicit approval for each transaction.
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Agent Orchestration
The coordination of multiple specialized AI agents working together to complete complex shopping tasks more effectively than single agents.
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Core Concepts
Foundational ideas that define how agentic commerce works and how autonomous buying changes digital retail.
ACore Concepts
Agentic Commerce
Shopping powered by AI agents acting autonomously on behalf of consumers or businesses to anticipate needs, navigate options, and execute transactions.
View definitionZCore Concepts
Zero-Click Commerce
A shopping experience where purchases are completed with minimal or no manual user interaction, handled entirely by AI agents.
View definitionAgents & Interfaces
The agent roles and user interaction models shaping how shoppers and businesses delegate commerce tasks.
AAgents & Interfaces
AI Concierge
An AI assistant providing comprehensive, personalized shopping guidance throughout the entire customer journey with memory across sessions.
View definitionAAgents & Interfaces
AI Shopping Agent
An autonomous AI system that acts as a personal shopper, understanding preferences, comparing options, and making purchase recommendations or decisions.
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Autonomous Buyer
An AI agent with full decision-making authority to make purchases without requiring explicit approval for each transaction.
View definitionCAgents & Interfaces
Conversational Commerce
Commerce conducted through two-way conversations with AI-powered chatbots, messaging apps, and voice assistants.
View definitionHAgents & Interfaces
Human-in-the-Loop
Human-in-the-loop means an AI workflow includes a person at key decision points. In ecommerce, it helps teams use automation while keeping human approval for risky, expensive, or customer-sensitive actions.
View definitionNAgents & Interfaces
Natural Language Shopping
The ability to search, discover, and purchase products using conversational natural language rather than keywords or filters.
View definitionCommerce Infrastructure
The systems, platforms, and architectural layers that let commerce agents discover products and complete work safely.
ACommerce Infrastructure
Agent Card
An agent card is a structured description of an agent's capabilities, tasks, identity, and constraints. In retail, it helps other agents and systems decide whether that agent can be trusted for a specific commerce workflow.
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Agent Discovery
Agent discovery is the process of finding the right agent, tool, or service for a task. In ecommerce, it helps shopping and operations agents locate the right specialist systems, merchant endpoints, or partner agents.
View definitionACommerce Infrastructure
Agent Marketplace
A platform where AI shopping agents are bought, sold, customized, or selected by consumers and businesses based on specializations and ratings.
View definitionACommerce Infrastructure
Agent Orchestration
The coordination of multiple specialized AI agents working together to complete complex shopping tasks more effectively than single agents.
View definitionACommerce Infrastructure
Agent-to-Agent Protocol (A2A)
The Agent-to-Agent Protocol (A2A) is a standard for how AI agents discover one another, exchange structured tasks, and collaborate securely across systems. In ecommerce, it helps shopping, support, logistics, and payments agents work together across platforms.
View definitionACommerce Infrastructure
Agentic Commerce Protocol (ACP)
The Agentic Commerce Protocol (ACP) is a standard for how AI agents initiate and complete checkout sessions with merchants programmatically. It gives agent-led buying a structured handoff into merchant checkout systems.
View definitionACommerce Infrastructure
Agentic Product Protocol
An agentic product protocol structures product and offer data so AI agents can discover, understand, compare, and recommend items reliably. It makes catalog information more usable for machine-led commerce.
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API-First Commerce
A development approach where commerce functionality is built primarily as APIs for consumption by any frontend, application, or AI agent.
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Headless Commerce (in agentic context)
E-commerce architecture decoupling frontend from backend, enabling AI agents to interact directly with commerce engines via APIs.
View definitionMCommerce Infrastructure
Merchant Feed
A merchant feed is a structured dataset that describes merchant-level commerce information such as pricing, availability, delivery, and policy signals. It helps shopping and AI systems evaluate a retailer as well as its products.
View definitionMCommerce Infrastructure
Model Context Protocol (MCP)
The Model Context Protocol (MCP) is a standard way for AI agents to connect to tools, data sources, and applications. In ecommerce, it helps agents access catalogs, inventory, policies, and other commerce systems in a consistent format.
View definitionOCommerce Infrastructure
Offer Entity
An offer entity is the normalized representation of the commercial terms attached to a product, such as price, seller, availability, and delivery conditions. It helps AI systems compare how a product can be bought, not just what it is.
View definitionPCommerce Infrastructure
Product Entity
A product entity is the normalized representation of a product as a distinct object with stable identity and attributes. It helps AI systems understand what the product is beyond raw page text.
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Product Feed
A product feed is a structured export of catalog data used by shopping platforms, marketplaces, and other external systems. In ecommerce, it is often the first machine-readable layer that helps AI systems understand products.
View definitionSCommerce Infrastructure
Shopping Agent Platform
Infrastructure and developer tools enabling creation, deployment, and management of AI shopping agents with standardized protocols.
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Structured Data
Structured data is machine-readable markup or normalized data that describes entities and attributes in a consistent format. In ecommerce, it helps search engines and AI systems understand products, offers, policies, and merchant information.
View definitionTCommerce Infrastructure
Tool Calling
Tool calling is when an AI agent invokes an external tool, API, or function during a workflow. In ecommerce, it allows assistants to check inventory, retrieve product data, create carts, or perform other live commerce actions.
View definitionUCommerce Infrastructure
Universal Commerce Protocol (UCP)
The Universal Commerce Protocol (UCP) is an open standard for coordinating more of the shopping journey across platforms, from discovery through checkout. In retail, it aims to make AI-assisted shopping more interoperable across merchants and systems.
View definitionPayments & Transactions
Terms related to purchase authority, checkout automation, and transaction execution in agent-mediated commerce.
APayments & Transactions
Agent Payments Protocol (AP2)
The Agent Payments Protocol (AP2) is a framework for how AI agents can make payments securely on behalf of users. In ecommerce, it helps define mandates, permissions, and audit trails for agent-initiated transactions.
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Autonomous Purchasing
The capability of AI systems to complete purchase transactions independently, from product selection through payment, within predefined rules.
View definitionCPayments & Transactions
Checkout Readiness
Checkout readiness is how prepared a merchant's purchase flow is for low-friction buying by humans and AI-assisted systems. It includes payment clarity, delivery transparency, and the overall ease of completing a transaction.
View definitionDPayments & Transactions
Digital Mandate
A digital mandate is a machine-readable authorization that defines what an AI agent is allowed to do on behalf of a user or business. In commerce, it can set limits on spend, merchants, categories, and approval rules.
View definitionIPayments & Transactions
Instant Checkout
Instant checkout is a purchase flow designed to reduce the steps between decision and transaction. In agentic commerce, it helps assistants move from recommendation to purchase with minimal friction.
View definitionTPayments & Transactions
Transaction Automation
The use of AI and rules-based systems to execute complete purchase transactions automatically from need detection to delivery confirmation.
View definitionRetail Operations & Decisioning
The predictive, contextual, and merchandising capabilities that make commerce agents useful in day-to-day retail.
CRetail Operations & Decisioning
Catalog Enrichment
Catalog enrichment is the process of improving product data with clearer attributes, descriptions, variants, and supporting details. In retail, it makes products easier for both shoppers and AI systems to understand and compare.
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Citation Visibility
Citation visibility is the likelihood that a brand, merchant, or page will be referenced by an AI system in an answer. In ecommerce, it affects whether a merchant is seen, trusted, and quoted in AI-driven discovery.
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Contextual Commerce
Shopping experiences that adapt in real-time based on location, time, device, recent activity, mood, and immediate needs.
View definitionIRetail Operations & Decisioning
Intent Prediction
AI capability to anticipate customer needs and shopping intent before explicit expression, analyzing patterns and contextual signals.
View definitionLRetail Operations & Decisioning
LLM Optimization
LLM optimization is the practice of making content and commerce data easier for large language models to retrieve, interpret, summarize, and cite. In ecommerce, it helps brands become easier for AI systems to understand and recommend.
View definitionMRetail Operations & Decisioning
Merchant Trust Signals
Merchant trust signals are the cues that help shoppers and AI systems judge whether a retailer is credible and safe to buy from. They include reviews, policy clarity, shipping transparency, and other proof of reliability.
View definitionPRetail Operations & Decisioning
Predictive Shopping
AI-driven commerce where purchases are anticipated and facilitated before the customer consciously decides to buy.
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Proactive Shopping
AI-initiated shopping experiences where the system identifies needs and takes action before the customer requests help.
View definitionSRetail Operations & Decisioning
Smart Cart
An AI-powered shopping cart that suggests complementary products, optimizes deals, predicts forgotten items, and automates savings.
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