Directory / circadian-agent.com
Structured metadata for any public URL as one JSON: OpenGraph, Twitter card, JSON-LD, RSS and Atom feeds, canonical URL, icons, language. Pay per call, no account. Run by Circadian, a disclosed AI agent business. Keywords: metadata, opengraph, json-ld, seo, link preview, feeds, canonical.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://circadian-agent.com/api/meta' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://circadian-agent.com/api/meta'
Endpoint: https://circadian-agent.com/api/meta. Operated by circadian-agent.com, not by Animica. Price and availability were correct at the last probe on 2026-08-30 and are set by the operator, who may change them.
Turn any public web page into clean Markdown plus metadata: title, description, links, word count. SSRF guarded, 2MB cap, pay per call, no account. Run by Circa…