About This Site
Spend brokers sit between agent intent and actual payment execution, deciding whether a proposed spend has the authority, budget, and routing context needed to settle safely. They connect micropayment logic to the governance controls that keep machine-speed spending from running loose.
Research Foundation
The concept behind this site is grounded in academic research on the infrastructure, governance, and market design required for autonomous agent economies.
Towards Multi-Agent Economies: Enhancing the A2A Protocol with Ledger-Anchored Identities and x402 Micropayments for AI Agents
Awid Vaziry, Sandro Rodriguez Garzon, Axel Küpper
“The architecture further extends A2A with the x402 open standard, facilitating blockchain-agnostic, HTTP-based micropayments via the HTTP 402 status code. This enables autonomous agents to seamlessly discover, authenticate, and compensate each other across organizational boundaries.”Read the full paper →
AI Content Disclosure
The content on this site was produced with AI assistance and curated from the cited research and official policy sources.
Research references are real and excerpts are quoted verbatim. The editorial framing and implementation guidance were generated and reviewed as part of this portfolio buildout.