AI

Agents Got a Native Payment Rail This Month. The Wallet Is Where the Risk Moved.

The x402 Foundation went live under the Linux Foundation on July 14 with Visa, Mastercard, Stripe, and AWS on board, and HTTP 402 finally has a client that can pay a bill: the agent. The wire protocol is the settled, easy part. What an agent is allowed to spend, and whether that permission can be replayed by another agent, lives in the wallet layer, and the spending cap has to sit below the application, because the model that decides to pay is the same model an attacker can talk into paying.