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American Express

Card giant backing AP2 and agentic payment mandates.

Payments InfraAP23 services ▸

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What American Express offers

ACE Developer Kit
Agentic Commerce Experiences kit: registered agents, tokenization, passkey auth, and authorization signals
Agentic purchase protection
Amex covers eligible transactions when an authorized agent executes an unintended purchase
Agentic payments standards work
Contributes to Google's AP2 and publishes Amex standards for how agent payments should function

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