AnswerFound agent API / Agent-API

EN: External agents discover → get HTTP 402 → pay Base Sepolia test-USDC ($0.001) → retry. Primary SKU: web.extract. Also web.serp.

NL: Externe agents ontdekken → HTTP 402 → betalen met Base Sepolia test-USDC ($0.001) → opnieuw proberen. Primaire SKU: web.extract.

• Catalog (static): /agent.json
• Machine docs: /llms.txt
• Live free catalog: GET {api_base}/agent/
• Health: GET {api_base}/health
• Paid extract: GET {api_base}/agent/v1/extract?url=
• Paid SERP: GET {api_base}/agent/v1/serp?q=
• Network: eip155:84532 (Base Sepolia)
• Pay_to: 0xa0221c0750976D32d3A635B35eD718c0a6a53A1D
• Price: $0.001

See repo AGENT-BUY.md. Testnet only. No private keys on the seller API.