# Machine Payments Monitor > The settlement layer of the AI-agent economy: how machine payments clear — > networks (Base, Solana), settlement assets (USDC, PYUSD, EURC), facilitators, > acceptance, card bridges, and billing/metering. Agent-native, not an RWA dashboard. ## For AI agents - Machine-readable data (free): /api/index.json - Metered full access (x402): GET /agent → HTTP 402 with a USDC payment spec ## Key pages - Home / settlement path & components: / - Part of the Agentic Finance Index: https://index.agiscorecard.com/ ## What this is Independent editorial coverage of the machine-payment settlement layer, refreshed on update.