---
title: "Amex ACE on Copilot: announced | Agent Ready Checkout"
description: "Amex ACE on Copilot is announced as of 4 Nov 2026: Amex lists Microsoft among companies supporting its ACE developer kit; no live Copilot flow stated."
canonical: https://agentreadycheckout.com/matrix/amex-ace/microsoft-copilot
site: "Agent Ready Checkout"
last_updated: 2026-11-04
section: "Matrix cells"
---

# Amex ACE on Copilot: announced | Agent Ready Checkout

> Amex ACE on Copilot is announced as of 4 Nov 2026: Amex lists Microsoft among companies supporting its ACE developer kit; no live Copilot flow stated.

Source: https://agentreadycheckout.com/matrix/amex-ace/microsoft-copilot
Site: Agent Ready Checkout
Last reviewed: 2026-11-04

# Amex ACE on Copilot: announced

In short

Amex ACE on Copilot reads announced as of 4 Nov 2026. The note: Amex lists Microsoft among companies supporting its ACE developer kit; no live Copilot flow stated. Amex ACE is live or pilot in 0 of 27 columns; Copilot has 1 of 12 protocols live or pilot. The source is americanexpress.com.

## The reading

Status

announced. Announced, partner or member status only; trade press allowed with the publication named.

Protocol

[American Express Agentic Commerce Experiences (ACE)](https://agentreadycheckout.com/protocols/amex-ace), American Express

Agent surface

[Microsoft Copilot Checkout](https://agentreadycheckout.com/surfaces/microsoft-copilot), Microsoft

Note

Amex lists Microsoft among companies supporting its ACE developer kit; no live Copilot flow stated.

Source

[americanexpress.com](https://www.americanexpress.com/en-us/company/agentic-commerce/), read 4 Nov 2026

## Amex ACE in other columns

-   [Stripe](https://agentreadycheckout.com/matrix/amex-ace/stripe): announced
-   [Adyen](https://agentreadycheckout.com/matrix/amex-ace/adyen-agentic): announced
-   [Crossmint](https://agentreadycheckout.com/matrix/amex-ace/crossmint): announced
-   [ChatGPT](https://agentreadycheckout.com/matrix/amex-ace/chatgpt-shopping): announced
-   [Google AI Mode](https://agentreadycheckout.com/matrix/amex-ace/google-ai-mode-and-gemini-checkout): announced

Columns not listed read no statement found on 4 Nov 2026; the [Amex ACE page](https://agentreadycheckout.com/protocols/amex-ace) lists them with sources.

## Copilot for other protocols

-   [ACP](https://agentreadycheckout.com/matrix/acp/microsoft-copilot): announced
-   [UCP](https://agentreadycheckout.com/matrix/ucp/microsoft-copilot): live
-   [Visa TAP](https://agentreadycheckout.com/matrix/visa-trusted-agent-protocol/microsoft-copilot): announced
-   [Visa IC](https://agentreadycheckout.com/matrix/visa-intelligent-commerce/microsoft-copilot): announced
-   [Mastercard Agent Pay](https://agentreadycheckout.com/matrix/mastercard-agent-pay/microsoft-copilot): announced

See the [Copilot page](https://agentreadycheckout.com/surfaces/microsoft-copilot) and the [full matrix](https://agentreadycheckout.com/matrix).

## How Amex ACE reads for merchants

| Rubric row | Reading |
| --- | --- |
| Merchant of record | Merchant |
| Dispute rules | Announced |
| Cost | Not published |

The full rubric is on the [Amex ACE page](https://agentreadycheckout.com/protocols/amex-ace).

## Sources

1.  [Amex Agentic Commerce Experiences](https://www.americanexpress.com/en-us/company/agentic-commerce/), read 4 Nov 2026
2.  [Agentic Commerce, Microsoft Advertising](https://about.ads.microsoft.com/en/solutions/technology/agentic-commerce), read 4 Nov 2026

Last reviewed 4 Nov 2026

## Edition

Matrix edition of 4 Nov 2026.

Reviewed 4 Nov 2026, [2 sources](#sources-h).

## Method

[How cells, sources and read dates are defined](https://agentreadycheckout.com/method)