Case Studies · 11 Illustrative Scenarios
Agentic Commerce Case Studies: Trust Architecture in Practice
Principles are only as useful as the situations they survive. These case studies take the AXD frameworks out of the abstract and into the specific - showing how trust architecture, delegation design, and intent alignment play out across financial services, retail, healthcare, travel, and aviation. Each scenario is a composite illustration, not a client engagement, designed to make the discipline concrete.
These case studies are fictional composites designed to illustrate AXD principles. They do not represent any specific organisation or implementation.
Financial Services
Autonomous Bill Management in Retail Banking
How a UK high-street bank designed delegation architecture for agent-managed recurring payments
A major UK retail bank sought to enable AI agents to manage customers' recurring bill payments autonomously - identifying better tariffs, switching providers, and optimising payment schedules. The core challenge was not technical capability but trust architecture: how do you design a system where a customer delegates financial authority to an agent that acts when they are not watching, on accounts that contain their salary, mortgage payments, and daily spending? Traditional UX patterns assumed the customer would review every action. The agent needed to act in absence.
Retail & Commerce
Machine Customer Integration for Consumer Electronics
Designing product information architecture for agent-mediated purchasing decisions
A major consumer electronics retailer discovered that an increasing proportion of product research and comparison was being conducted by AI agents acting on behalf of consumers. These machine customers did not browse product pages - they queried structured data, compared specifications programmatically, and made purchasing recommendations without ever rendering a visual interface. The retailer's entire digital experience was optimised for human eyes: hero images, lifestyle photography, emotional copywriting. None of it was legible to the agents that were increasingly influencing purchasing decisions.
Cross-Cutting Themes
Patterns Across Industries
Across all eleven case studies, several AXD patterns emerge consistently regardless of industry context.
Trust is Always Granular
No case study treated trust as binary. In every scenario, trust was contextual, graduated, and domain-specific. The wealth management client who trusted bond allocation did not trust equity positions. The fashion customer who delegated basics retained expressive choices. Trust architecture must be designed for granularity.
Absence is the Design Condition
Every case study was designed for a principal who is not watching. The retail banking customer asleep when bills are optimised. The traveller mid-flight when connections are cancelled. The patient asleep when medication is managed. Absent-state design is not an edge case - it is the primary use state.
Constraints Enable Autonomy
The most autonomous systems had the most carefully designed boundaries. The pharmaceutical agent that could not violate compliance was more autonomous than one that could. The airline agent operating within mandate parameters made better decisions than one with unlimited authority. Constraints are the architecture of autonomy.
Delegation is a Relationship
Every case study treated delegation as an evolving relationship rather than a one-time permission grant. Authority was graduated, recalibrated, and renewed. The luxury fashion agent earned authority through demonstrated taste. The wealth agent earned equity access through bond performance. Delegation has temporality.
Failure Architecture is Non-Negotiable
Every case study designed for failure as a first-class concern. Healthcare demanded zero silent failures. Banking required automatic rollback. Travel needed cascading disruption management. The quality of failure recovery determined the durability of the human-agent relationship.
Outcomes Over Instructions
Every successful delegation was specified as an outcome, not a task list. 'Reduce my bills by 10%' not 'switch my gas provider'. 'Arrive in Tokyo by Tuesday' not 'book flight BA123'. 'Refresh my evening wardrobe' not 'buy a black dress'. Outcome specification is the language of agentic delegation.
Put Theory into Practice
These case studies illustrate AXD principles in context. To apply them to your own organisation, start with the AXD Readiness Assessment, explore the 12 frameworks in The Practice, or consult the AXD Playbook for a structured implementation guide.