---
title: "Agent Purchase Protection, defined | Agent Ready Checkout"
description: "Agent Purchase Protection: American Express's announced protection for eligible Card Members against charges caused by agent error when the agent sent."
canonical: https://agentreadycheckout.com/glossary/agent-purchase-protection
site: "Agent Ready Checkout"
last_updated: 2026-11-04
section: "Glossary"
---

# Agent Purchase Protection, defined | Agent Ready Checkout

> Agent Purchase Protection: American Express's announced protection for eligible Card Members against charges caused by agent error when the agent sent.

Source: https://agentreadycheckout.com/glossary/agent-purchase-protection
Site: Agent Ready Checkout
Last reviewed: 2026-11-04

Glossary

# Agent Purchase Protection

In short

Agent Purchase Protection: American Express's announced protection for eligible Card Members against charges caused by agent error when the agent sent authenticated intent. Agent Purchase Protection appears in 2 sourced facts on this site, the first in American Express Agentic Commerce Experiences (ACE). Example: Subjective intent such as "best" is excluded. After Agent Purchase Protection the glossary lists Verifiable Intent.

## Definition

American Express's announced protection for eligible Card Members against charges caused by agent error when the agent sent authenticated intent.

## Example

Subjective intent such as "best" is excluded. [americanexpress.com](https://www.americanexpress.com/en-us/company/agentic-commerce/), read 4 Nov 2026.

## Where it appears in the sourced facts

-   Amex describes Amex Agent Purchase Protection: "In the future", if a registered agent sends the Card Member's authenticated purchase intent, Amex will protect eligible customers from charges caused by agent error. [americanexpress.com](https://www.americanexpress.com/en-us/company/agentic-commerce/), read 4 Nov 2026. In [American Express Agentic Commerce Experiences (ACE)](https://agentreadycheckout.com/protocols/amex-ace).
-   Amex Agent Purchase Protection is described for the future for eligible charges after a return attempt with the merchant. [americanexpress.com](https://www.americanexpress.com/en-us/company/agentic-commerce/), read 4 Nov 2026. In [Chargebacks when an agent bought](https://agentreadycheckout.com/guides/chargebacks-when-an-agent-bought).

## Nearby terms

-   [Verifiable Intent](https://agentreadycheckout.com/glossary/verifiable-intent)
-   [SD-JWT](https://agentreadycheckout.com/glossary/sd-jwt)
-   [Amex ACE](https://agentreadycheckout.com/glossary/amex-ace)
-   [All terms](https://agentreadycheckout.com/glossary)

## Sources

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

Last reviewed 4 Nov 2026

## Edition

Matrix edition of 4 Nov 2026.

Reviewed 4 Nov 2026, [1 sources](#sources-h).

## Method

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