Machine Payments Protocol Also on HN via Fortune: Stripe-Backed Tempo Releases MPP

Fortune·low signal

Stripe-backed startup Tempo co-released MPP alongside Stripe's own announcement, with Fortune covering the launch separately. MPP is framed as doing for agent payments what HTTP did for human web access — a stateless request/response protocol where an agent requests a resource, receives a payment challenge, authorizes payment, and gets the resource. The Fortune framing adds investor/market context: Tempo is backed by Paradigm and Stripe, positioning MPP as the protocol-layer bet on the agent economy.