{"name":"onyx_html_meta","tier":"metered","price_usdc":"0.002","endpoint":"https://onyx-actions.onrender.com/v1/onyx_html_meta","method":"POST","input_schema":{"type":"object","properties":{"url":{"type":"string","description":"URL to inspect"}},"required":["url"]},"description":"Fetch a URL and extract OpenGraph + Twitter Card + standard meta tags: og:title, og:description, og:image, og:type, twitter:card, twitter:image, canonical link, favicon, JSON-LD blocks. Use when an agent needs to preview a link before sharing, build a citation card, or detect spam/ads via meta-tag fingerprints. Stripped of HTML noise. ~150-500ms typical.","when_to_use":null,"vs_alternatives":null,"example_request":null,"example_response":null,"settle_to":"0x3fD9ee1373562f894D322B37DFFAd7a5D2b2d78f","network":"base","facilitator":"https://facilitator.xpay.sh","payment_required":true,"free_introspection":true,"note":"GET this URL = free introspection card. POST with x402 payment header to call."}