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World Congress 2026 Europe • Jul 10, 2026 • Session details

Teaching agents to pay: what devs need to know

Benjamin Smith

Traditional web checkouts are dead. Discover how to build secure, agent-driven commerce flows using Shared Payment Tokens and HTTP 402 microtransactions.

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#1 about 2 min

Replacing website forms with agentic commerce

AI agents bypass traditional user interface checkouts by relying entirely on structured data to complete transactions.

#2 about 3 min

Structuring product catalog data for AI agent discovery

Providing agents with detailed JSON properties and explicitly stated constraints ensures accurate product recommendations.

#3 about 3 min

Demonstrating a conversational AI shopping experience

A live demonstration illustrates an agent narrowing product choices, requesting payment info, and completing a real transaction.

#4 about 5 min

Core architecture and reasoning loops of AI agents

An LLM brain interacts with commerce tools and system prompt instructions within a continuous execution loop to orchestrate actions.

#5 about 3 min

Controlling agent behavior via system personas

Configuring an honest versus a commission-driven system prompt fundamentally alters the underlying sales interactions.

#6 about 4 min

Standardizing agent discovery with Universal Commerce Protocol

Maintaining a standardized text manifest and shared open-source language solves the multi-merchant integration bottleneck.

#7 about 4 min

Securing delegated purchases via Shared Payment Tokens

Agents can transact on a customer's behalf using secure, bounded tokens that govern specific transaction limits.

#8 about 6 min

Funding agent capabilities using machine-to-machine microtransactions

Employing the Machine Payments Protocol and HTTP 402 codes allows agents to spontaneously pay for tools and APIs.

#9 about 1 min

Clarifying compliance for UK and EU payment regulations

The regional rollout for Shared Payment Tokens requires alignment with strong customer authentication and PSD2 regulations.

Matching moments

2:32 min

Requirements for enabling autonomous agentic commerce

Brian Whippo Brian Whippo · World Congress 2026 North America

54 sec

Integrating artificial intelligence into user agentic commerce

Brian Whippo Brian Whippo · World Congress 2025

53 sec

Autonomous AI agents and the need for digital payments

Brian Whippo Brian Whippo · World Congress 2026 Europe

2:07 min

Unpacking the technical challenges of agentic commerce

Angie Jones Angie Jones · World Congress 2026 North America

2:47 min

Transitioning toward autonomous agentic commerce

Annabella Bassler Annabella Bassler +3 · World Congress 2026 Europe

1:00 min

Enabling AI agents to complete online purchasing journeys

Benjamin Smith Benjamin Smith · World Congress 2026 North America

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