SOURCE-LINKED INTELLIGENCE

A Formal Analysis of Agent Payment Protocols

arXiv · AI, language, vision and robotics · article · Aug 30, 2026 · UTC

Agent payment protocols are emerging as a key transaction layer for autonomous commerce, enabling AI agents to purchase goods and services and execute payments on users' behalf. Unlike conventional payment flows, they distribute user intent, delegated authority, credential use, settlement, and fulfillment across multiple actors and stages, creating security dependencies that no single message or participant can enforce. Yet these guarantees remain largely implicit across evolving specifications, schemas, and reference implementations, with little systematic formal analysis. We formalize four r

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Evidence & attribution

arXiv · AI, language, vision and robotics · 2026-08-30T14:04:15.000Z

First collected: 2026-09-21T07:31:56.984Z. This is not the publication date.