Founder of a listed tool

John Warren Butterfield

Co-founder, American Express (1850), named behind the American Express Agentic Commerce Experiences (ACE) listing on Anchor Terminal.

Co-founder, American Express (1850)

John Warren Butterfield co-founded American Express in Buffalo, New York, in 1850, merging his express company, Butterfield, Wasson & Company, with those of Henry Wells and William G. Fargo.

What John builds

Works with

Questions

Who is John Warren Butterfield?

John Warren Butterfield co-founded American Express in Buffalo, New York, in 1850, merging his express company, Butterfield, Wasson & Company, with those of Henry Wells and William G. Fargo.

What does American Express make?

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

How are John's tools graded?

American Express Agentic Commerce Experiences (ACE) is graded F, 25.7 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

Sources (11)

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. They don't work for Anchor Terminal (our own team is on the about page). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.

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