Purchase decisions are increasingly no longer made by the human themselves, but prepared, managed and, in perspective, fully executed by intelligent, autonomous AI agents. Agentic commerce describes this structural change: in the agentic customer journey, machines take over research, comparison and preselection autonomously, and transactions are initiated directly by the agent, without the end customer actively intervening in the process. For companies, this fundamentally calls into question the basic assumptions of classic commerce strategy.

Context and relevance

In the traditional customer journey, the user acts as an active decision-maker, because information search, product comparison and purchase decision are based on visible factors such as price, brand and reviews. In the agentic customer journey, these steps are delegated. Here, AI agents take over research, comparison and preselection autonomously, and transactions are initiated directly by the agent (see Figure 1 “Traditional vs. agentic customer journey”).

Figure 1: “Traditional vs. agentic customer journey”

Decision-making authority thereby shifts structurally from the human to the machine. Classic differentiation factors such as design, storytelling and content lose influence. In future, relevance arises primarily through structured data and algorithmic decidability.

Figure 2: Agentic commerce flow using the example of ChatGPT

Our approach

FOSTEC & Company structures the transformation to an agent-capable commerce architecture along an end-to-end approach in five steps that build on one another (see Figure 3: Detailed project approach for agentic commerce):

  1. Agentic readiness assessment: the existing system, data and API landscape as well as the commerce stack are evaluated along clearly defined criteria. The aim is transparency about the current maturity – including a maturity scoring and a structured gap analysis to identify critical gaps for agent-capable interactions.
  2. Data & content enablement: the basis for agent-capable interfaces is created: machine-readable product and price data, central real-time APIs for agent access to inventory, services and policies, as well as governance structures for data quality and update cycles.
  3. Use case definition & prioritisation: agent use cases are defined as part of the AI agent strategy and prioritised by feasibility, business impact and dependencies. Target journeys, KPIs and required tool and data interfaces are defined.
  4. Agent pilot & workflow automation: pilot agents for selected workflows are deployed and initial agent-based purchase and interaction flows are piloted, including the underlying interface logic. Agent behaviour, quality and user acceptance are monitored in live operation.
  5. Operating model & governance: a governance model for agent decisions is established: approvals and responsibilities are defined, risk and control mechanisms implemented, and decision logic for agent-driven transactions established.
  6. Ecosystem integration: the connection to relevant AI-agent ecosystems and commerce interfaces, including chatbots, marketplaces and APIs, ensures that products and services are visible and preferred within the decision logic of agents. The connection to external agent ecosystems takes place via APIs and MCP-like interfaces.
  7. Scaling, monitoring & optimisation: the business impact is simulated and quantified on the basis of revenue, conversion and channel shift via impact scenario models. Agent-specific KPIs such as accuracy, conversion and cost-to-serve are established for continuous performance monitoring and optimisation.

Figure 3: Detailed project approach for agentic commerce

Results and impact

Clients receive not isolated AI agents, but a holistic agentic commerce strategy that aligns business model, data architecture, interfaces and operating model in an integrated way to the logic of agent-driven purchase decisions. The approach creates transparency about how products, services and price information must be structured, findable and prioritised within the decision logic of AI agents. On this basis, concrete strategic and operational levers are defined, from the agent-capable data and API architecture through the redesign of commerce interfaces to integration into relevant agent ecosystems. In addition, the effects on revenue, channel shifts and margins are quantified via robust impact scenario models.

The result is an actionable, end-to-end transformation strategy that not only enables companies to deal with agent-driven purchase processes, but to actively shape their position within these new decision structures and secure lasting competitive advantages.

Position within the service portfolio

The AI-Native Commerce & Business Model Innovation is part of FOSTEC & Company’s overarching Commerce & Growth Strategy portfolio. This comprises services of varying scope and focus along the entire commerce value chain:

Let us assess in an introductory conversation how your business model needs to be positioned in the age of agent-driven purchase decisions – data-driven, pragmatic and with clear, actionable recommendations.

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Markus Fost, MBA, is an expert in e-commerce, online business models and digital transformation, with broad experience in the fields of strategy, organisation, corporate finance and operational restructuring.

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Markus Fost

Managing Partner
Markus Fost, MBA, is an expert in e-commerce, online business models and digital transformation, with broad experience in the fields of strategy, organisation, corporate finance and operational restructuring.

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+49 (0) 711 995857-0

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