# paid-md

Clean, LLM-ready markdown for any public web page.
Paid per call in USDC on base via x402.

## Free
GET https://paid-md.hihat.workers.dev/md?url=https://example.com&free=1  (3/hour per IP; or send X-Free: 1)

## Paid
GET https://paid-md.hihat.workers.dev/md?url=https://example.com            raw text/markdown, token counts in x-tokens-* headers
GET https://paid-md.hihat.workers.dev/md?url=https://example.com&format=json { url, title, markdown, tokens_in, tokens_out, saved_pct }
Price: 2000 atomic USDC (0.002 USDC)
On 402, read PAYMENT-REQUIRED (x402 v2, network eip155:8453) or the JSON body
(x402 v1, network base), sign an EIP-3009 transferWithAuthorization, retry with
the base64 payload in PAYMENT-SIGNATURE (v2) or X-PAYMENT (v1).

## Paid: POST /extract
Price: 5000 atomic USDC
Body: { "url": "https://...", "schema": { ... } }   (or "text" instead of "url")
Returns: { "data": ... }

## Paid: POST /research
Price: 20000 atomic USDC
Body: { "url": "https://...", "depth": 5, "schema": { ... } }
   or { "urls": ["https://a", "https://b"], "schema": { ... } }   (explicit list, no crawl, one parallel round)
Returns: { "data": ..., "sources": [...], "saved_pct": 98.1 }

## Other
GET https://paid-md.hihat.workers.dev/swap?to=0x...   -> redirect to a swap with referral
GET https://paid-md.hihat.workers.dev/.well-known/x402