On 15 October 2025, Visa Inc. announced the launch of its Trusted Agent Protocol, a foundational framework designed to enable secure, agent‑based commerce. The protocol allows merchants to verify and transact with AI agents on every step of a purchase, addressing the growing need for trust in automated shopping experiences.
The specification uses agent‑specific cryptographic signatures built on the HTTP Message Signature standard, and it is compatible with existing web infrastructure such as WebAuthn. Visa partnered with Cloudflare and has already engaged a broad ecosystem of merchants and payment processors—including Adyen, Coinbase, CyberSource, and Stripe—to adopt the protocol.
Strategically, the protocol positions Visa at the forefront of the emerging AI‑commerce market, potentially creating new revenue streams from merchant and issuer partners that wish to offer AI‑powered shopping. By providing a no‑code, secure interface for AI agents, Visa differentiates itself from competitors that lack a standardized agent‑verification framework.
The protocol is immediately available in the Visa Developer Center and on GitHub, with partner onboarding slated to begin in the coming weeks as merchants integrate the new specifications into their checkout flows.
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