American Express is building AI-native payment tools, including a developer kit for integrating cards into AI agent transactions and purchase protection for agent-made purchases, to position itself for the next wave of AI-driven commerce. The move is backed by the company's closed-loop payment data, which enables better fraud detection and purchase verification, and comes as competitors Mastercard and Visa expand their own AI payment security features.
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American Express introduced the Amex Agentic Commerce Experiences Developer Kit to let developers integrate its cards into AI-powered transactions, and launched Amex Agent Purchase Protection, an industry-first feature protecting purchases made by registered AI agents. The company is building proprietary AI features while partnering with leading AI companies to make premium membership benefits discoverable across their platforms.
Why it matters
AmEx's closed-loop payments platform—which gives it end-to-end transaction data—lets the company verify purchase intent, improve payment approvals, and strengthen fraud protection as AI handles a larger share of digital transactions. These capabilities could help the company deepen merchant relationships and support long-term growth.
What to watch
AmEx reported first-quarter revenues up 11% year over year to $18.9 billion（約3兆円） and earnings per share rising 18% to $4.28, while reaffirming full-year 2026 EPS guidance of $17.30–$17.90 despite increased technology investments. Competitors Mastercard and Visa are also expanding AI capabilities for secure AI-driven transactions and fraud prevention.
American Express is positioning itself at the intersection of payment processing and agentic commerce—a shift driven by the growing role of AI agents in digital transactions. The company's Agentic Commerce Experiences Developer Kit and Agent Purchase Protection represent concrete moves to address a market need: as AI systems increasingly make purchases on behalf of users, payment networks must provide the technical infrastructure and trust guarantees to enable those transactions safely. AmEx's advantage lies in its closed-loop model, where the company controls both card issuance and merchant settlement, giving it visibility into transaction data that can improve fraud detection and purchase verification before problems occur.
The strategic timing is significant. AmEx delivered strong first-quarter results—revenues up 11% year over year to $18.9 billion（約3兆円） and EPS up 18% to $4.28—demonstrating that the company can invest heavily in AI infrastructure while meeting guidance. The company reaffirmed full-year 2026 EPS guidance of $17.30–$17.90 despite raising technology investments, suggesting confidence that AI-focused initiatives will drive returns. Competitors are not standing still: Mastercard expanded its Agent Pay platform and introduced Verifiable Intent for secure AI-driven transactions, while Visa launched the Visa Threat Intelligence Platform to prevent cyber threats before they become payment fraud. For business readers, this signals that the payments industry expects AI-driven commerce to become material enough to warrant substantial capital allocation and product innovation.
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