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Amex ACE Developer Kit
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American Express's Agentic Commerce Experiences kit: technical specifications that let verified AI agents pay with Amex cards on its closed-loop network, covering agent registration, card enablement, purchase intent, tokenized credentials and cart context for merchants. Announced April 2026 for select developers; parts are in development.
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American Express announced merchant acceptance via Amex ACE Developer Kit (in development, 2026-04-14).
Evidence ↗American Express announced issuing support via Amex ACE Developer Kit (in development, 2026-04-14).
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