Show HN: Nexus-Arc – pay-per-call and job escrow for AI agents on Arc

Category: infrastructure

Tags: ai-agents, payments, blockchain, web3, escrow, x402

Score: 6.0/10 (Innovation: 7, Technical: 6, Documentation: 3, Utility: 5)

Nexus-Arc is a payment rail for autonomous AI agents on the Arc blockchain, offering synchronous pay-per-call via HTTP 402 (x402) and asynchronous job escrow (ERC-8183) with reviewer-approved settlement. It combines emerging agent-payment standards with on-chain reputation (ERC-8004) to enable machine-to-machine commerce without intermediaries.

Target audience: backend devs, AI agent developers, web3 developers

Repository: https://nexus-arc.pryx.dev/

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