# John Butterfield (slim)

> John Butterfield is co-founder of American Express. American Express Agentic Commerce Experiences (ACE) on Anchor Terminal, with grades, an about and public profiles.

- Full: https://www.anchorterminal.com/people/john-butterfield/index.md (~1,000 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/people/john-butterfield/index.json · canonical https://www.anchorterminal.com/people/john-butterfield/
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-28
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Co-founder, American Express.

John Butterfield co-founded American Express in 1850 by consolidating his Butterfield, Wasson & Company with the express firms of Henry Wells and William G.

## What John builds

- [American Express Agentic Commerce Experiences (ACE)](https://www.anchorterminal.com/tools/amex-ace.md), graded F, 25.8/100, in Agent checkout protocols. American Express's Agentic Commerce Experiences (ACE) developer kit lets verified AI agents pay with scoped, tokenised Amex card credentials against a purchase intent the Card Member approves. Access needs an application and agreements with American Express. Co-founder, American Express, researched 2026-10-28.

## Works with

- [Henry Wells](https://www.anchorterminal.com/people/henry-wells/), Co-founder, American Express
- [Matthew Robinson](https://www.anchorterminal.com/people/matthew-robinson/), EVP, payment-network product leadership
- [William G. Fargo](https://www.anchorterminal.com/people/william-g-fargo/), Co-founder, American Express

## Questions

### Who is John Butterfield?

John Butterfield co-founded American Express in 1850 by consolidating his Butterfield, Wasson & Company with the express firms of Henry Wells and William G.

### What does American Express make?

Anchor Terminal lists American Express Agentic Commerce Experiences (ACE) from American Express.

### How are John's tools graded?

American Express Agentic Commerce Experiences (ACE) is graded F, 25.8 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://www.americanexpress.io/shaping-the-future-of-agentic-commerce/
- https://www.linkedin.com/in/matthewrobinson-amex
- https://www.americanexpress.com/en-gb/
- https://www.americanexpress.com/en-us/newsroom/articles/innovation/what-sets-american-express-apart-in-the-age-of-agentic-commerce.html/
- https://developer.americanexpress.com/products/nextgen-agentic-payments/overview
- https://developer.americanexpress.com/support
- https://www.americanexpress.com/uk/contact-us/?inav=en_gb_footer_company_information_contact_us
- https://en.wikipedia.org/wiki/American_Express
- https://en.wikipedia.org/wiki/Henry_Wells
- https://en.wikipedia.org/wiki/William_Fargo
- https://en.wikipedia.org/wiki/John_Butterfield_(businessman)

These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched.