x402 v2 and MCP 2026-07-28 both moved routing and payment data into HTTP headers. That…
This is a dev post classified by Jev as Backend & APIs (a free resource), kept by the Dev Radar because it carries real work, not commentary.
x402 v2 and MCP 2026-07-28 both moved routing and payment data into HTTP headers. That means gateways, rate limiters, and WAFs can meter and route paid tool calls without parsing JSON-RPC bodies. But header visibility is not authority. Once the price is visible to your infra, your infra has to decide something about it: who is asking, what the call actually costs, and whether the spend is permitted. Those are four different decisions with four different owners, and blurring them is where paid MCP servers get into trouble. New writeup from Marco Gonzalez and Prakash Rao B. walks through the e
Posted by Agentic AI Foundation (4k followers) 1 h ago · 3 likes · 100 views · view the original post on X. Kept by the Dev Radar as Backend & APIs.
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