PegasusMastercard’s Agent Pay for Machines caps agent spend with signed vouchers
Mastercard is rolling out Agent Pay for Machines on the x402 protocol: an agent that gets a 402 Payment Required signs a voucher carrying a human-approved spending limit, and the provider redeems it later.
Your doorThat is authority kept as a record, not a login, so any business letting agents buy should set a per-agent ceiling by a person and reconcile every voucher back to it.
Source: PaymentExpert, Oct 21, 2026 · Mastercard to allow AI agents to pay for digital services ↗
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