Send a URL. Get clean Markdown. Pay per call, no account.

Extraction APIs built for AI agents: web pages to Markdown with metadata, PDF parsing with hallucination-guarded OCR, invoice verification, schema-driven extraction, and JP company profiles. Payment via x402 (USDC on Base). No API key. No bot walls.

POST https://mart402.com/v1/extract
{"url": "https://example.com/article", "mode": "auto"}
-> 402 Payment Required (x402 accepts) -> pay -> retry -> Markdown + metadata

• Agents start here: /llms.txt | /agents.md | ai-catalog.json
• Pricing & policy: /catalog (machine-readable) | OpenAPI: /openapi.json
• $0.002/call fast | $0.006 JS-rendered | cache hits half price | robots.txt respected
• Hallucination-guarded OCR: dual-engine consensus + calibrated confidence + per-segment corroboration on every parse
• Try everything free on the identical sandbox: mart402.dev (Base Sepolia)