WeAreDevelopers Logo WeAreDevelopers
Sign in
For You LIVE
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.

Pause
Mute Enter Fullscreen
#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

54 sec

Integrating artificial intelligence into user agentic commerce

Brian Whippo Brian Whippo · WWC 2025

53 sec

Autonomous AI agents and the need for digital payments

Brian Whippo Brian Whippo · WWC Europe 2026

2:47 min

Transitioning toward autonomous agentic commerce

Annabella Bassler Annabella Bassler +3 · WWC Europe 2026

2:34 min

Enabling transactions and visual interactions through specialized protocols

Aaron Koivunen Aaron Koivunen · Europe 2026 Virtual

4:42 min

Predicting future retail experiences and avoiding technology hype

Alejandro Saucedo Alejandro Saucedo +2 · WWC 2025

2:52 min

Handling authentication and transaction flows for autonomous agent buyers

Aaron Koivunen Aaron Koivunen · Europe 2026 Virtual

More from World Congress 2026 Europe

Building the Nervous System of AI - Michael Kagan (NVIDIA) thumbnail
29:17
about 1 month ago

Building the Nervous System of AI - Michael Kagan (NVIDIA)

Michael Kagan, Sead Ahmetović

Five Things in Tech that Matter Now - WeAreDevelopers World Congress 2026 Closing Keynote thumbnail
19:41
about 1 month ago

Five Things in Tech that Matter Now - WeAreDevelopers World Congress 2026 Closing Keynote

Christian Heilmann

The Sound of Your Secrets: Teaching Your Model to Spy, So You Can Learn to Defend thumbnail
32:06
about 1 month ago

The Sound of Your Secrets: Teaching Your Model to Spy, So You Can Learn to Defend

David vonThenen

Super scaling for the Super Bowl: How to survive 30 million users hitting your backend in 30 minutes thumbnail
35:13
about 1 month ago

Super scaling for the Super Bowl: How to survive 30 million users hitting your backend in 30 minutes

Irina Branovic

Running Secure Life Science Research at Scale using Hybrid GPU HPC and Kubernetes 🧬 thumbnail
24:23
about 1 month ago

Running Secure Life Science Research at Scale using Hybrid GPU HPC and Kubernetes 🧬

Jeremy Murray

Angstfreude - AI and Corporate Culture - The Thrill and the Threat thumbnail
30:26
about 1 month ago

Angstfreude - AI and Corporate Culture - The Thrill and the Threat

Axel Ebert, Karin Krobath

Upcoming sessions on this topic

Open session

World Congress 2026 North America

Your next customer won’t be human

Benjamin Smith

Staff Developer Advocate at Stripe

Benjamin Smith
Open session

World Congress 2026 North America

Agentic commerce's dirty little secret, and what to do about it.

Joe Monastiero

Founder & CEO at visualAI

Joe Monastiero
Open session

World Congress 2026 North America

AI Agents are Only as Smart as their Context: Building a Real-Time Context Engine at Intuit

Bharat Patel

Lead Software Engineer at Intuit

Bharat Patel
Open session

World Congress 2026 North America

Securing AI Agent Infrastructure: Identity, Attestation, and Trust at Scale

Abdel Fane

Founder of OpenA2A

Abdel Fane
Open session

World Congress 2026 North America

Designing APIs That Survive AI Agents at Scale

Phani Pendurthi

Mastercard, Principal Software Engineer

Phani Pendurthi
Open session

World Congress 2026 North America

MicroAgents: The Microservices of the Agentic Era

Ashish Shubham

Runs the show bussiness at ThoughtSpot

Ashish Shubham

Related videos

ChatGPT Apps: From Chat to Checkout thumbnail
30:29
Europe 2026 Virtual • about 1 month ago

ChatGPT Apps: From Chat to Checkout

Aaron Koivunen

HTTP 402: Teaching the Web to Let Agents Pay thumbnail
26:05
WWC Europe 2026 • about 1 month ago

HTTP 402: Teaching the Web to Let Agents Pay

Ed Marquez

Web Scraping, AI Agents, and the Future of Open Source - Kevin Lewis (Apify) thumbnail
40:29
Coffee With Developers • about 2 months ago

Web Scraping, AI Agents, and the Future of Open Source - Kevin Lewis (Apify)

200 OK: Payment settled, resource delivered thumbnail
23:43
WWC Europe 2026 • about 1 month ago

200 OK: Payment settled, resource delivered

Brian Whippo

On a Secret Mission: Developing AI Agents thumbnail
29:03
WWC 2025 • 12 months ago

On a Secret Mission: Developing AI Agents

Jörg Neumann

API, MCP or MCP App? Choosing the right surface for AI agents thumbnail
29:59
WWC Europe 2026 • about 1 month ago

API, MCP or MCP App? Choosing the right surface for AI agents

Rishabh Budhiraja, Rishi Deorukhkar

Related articles

From learning to earning

Jobs that call for the skills explored in this talk.