#payment-protocols
The latest AI and developer news about #payment-protocols, with the original source and a short summary.
The latest AI and developer news about #payment-protocols, with the original source and a short summary.
The new specifications move payment metadata to HTTP headers for gateway visibility but require a separate, isolated authorization service to prevent agents from self-approving expenditures.
The article defines five critical server obligations, including price re-verification and replay rejection, to secure agent payments under the new x402 v2 and MCP 2026-07-28 specifications.