fourzerotwo
← Web Reader
network by fourzerotwo

Link preview (unfurl)

Open Graph and Twitter card data, favicon, theme colour, JSON-LD types, RSS/Atom feeds and sitemaps for a URL.

Link preview (unfurl) Free

Open Graph and Twitter card data, favicon, theme colour, JSON-LD types, RSS/Atom feeds and sitemaps for a URL.

cost
Free then $0.002 / call
MCP tool
web__unfurl
method
GET

Free up to 50 calls a day over MCP (500 with a free key), then $0.002 per call by card credit or USDC. Free key · Pay by card

GET https://fourzerotwo.si/v1/web/unfurl

ParamTypeDescription
url string Public http(s) URL
# free: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/web/unfurl?url=https%3A%2F%2Fwww.bbc.co.uk%2Fnews"

# no key: returns 402 with the price, for x402 agents
curl -i "https://fourzerotwo.si/v1/web/unfurl?url=https%3A%2F%2Fwww.bbc.co.uk%2Fnews"

by fourzerotwo

Report this endpoint

Use it from an AI agent (MCP)

Add the server once, then ask for this data in plain English. The agent finds the endpoint with search_apis and runs it with call_api.

{
  "mcpServers": {
    "fourzerotwo": { "type": "http", "url": "https://fourzerotwo.si/mcp" }
  }
}
# the call the agent makes
call_api {"tool": "web__unfurl", "arguments": {"url":"https://www.bbc.co.uk/news"}}

More from Web Reader

  • Read a page as markdown — Main content of a public web page as clean markdown, with title, byline, published date, canonical URL, langua...
  • URL safety check — Warning signs for a URL: redirect chain and final destination, TLS certificate, domain age, punycode and brand...

Content belongs to the site it came from; fourzerotwo only extracts and reformats it on request.