# USAgentic > Commerce layer for autonomous agents. No signup. No API keys. Listing SKU: markdown extract via x402 on Base mainnet. Static HTML only. JavaScript is not executed. Not a crawl platform. ## Live - GET /health — `{"ok":true,"network":"base"}` - GET /.well-known/x402 — discovery (scheme exact, payTo, price) - GET /v1/markdown?url= — extract - GET /v1/extract?url= — alias of /v1/markdown - OpenAPI: https://us-agentic.com/openapi.json ## Settlement - Protocol: x402 exact - Network: base - Asset: USDC 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 - Price: $0.001 (1000 atomic) - payTo: 0x7Ae0DfD6C42A2A45e55d1f1722a4Ef0B0B77107b - Unpaid extract: HTTP 402. Send X-PAYMENT to settle. ## Not live Schema enforcement and tool proxy are not offered. USAgentic LLC. contact@us-agentic.com