Notes on runtime payment, paid rail traversal, and agent commerce infrastructure.
AllInfrastructureLanguageProduct
Infrastructure // May 26, 2026
The Missing Runtime Payment Surface
API access is shifting from static keys to runtime payment. Agents need a way to cross paid rails without breaking execution.
Language // May 26, 2026Paid Rails, Not Just Payment Rails
Payment rails move value. Paid rails include the full crossing: challenge, authorization, settlement, and resource return.
Product // May 26, 2026One Skill. Every Paid Rail.
The v1 surface area is an agent skill: install once, then let the runtime traverse x402, MPP, Nanopayments, and whatever comes next.