{"uid":"cap_orN_sFLcYl6uBggWQ-vSD","slug":"page-metadata-extractor-open-graph-twitter-card-canonical-feeds-json-9698c393","name":"Page Metadata Extractor (Open Graph, Twitter Card, Canonical, Feeds, JSON-LD, Language)","description":"Page metadata: Open Graph, Twitter card, canonical, feeds, JSON-LD types, language — Genesis402 / UnyKorn Operator Network","url":"https://twin.unykorn.org/web/page-meta?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"params":{"type":"object","properties":{"url":{"type":"string","description":"required public URL"}}}}},"responseSchema":{"type":"json","example":{"ok":true,"type":"page-meta","receipt":{"tx_hash":"0x<64hex>","amount_usd":0.002,"receipt_id":"g402-<16hex>"},"sources":[{"ok":true,"name":"<source>"}],"limitations":"<text>","generated_at":"<iso time>","evidence_hash":"sha256:<64hex>"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_b5lCf1QmDAovGAcX7CSCO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts structured metadata from a public webpage including Open Graph tags, Twitter card data, canonical URL, RSS/Atom feeds, JSON-LD types, and language information.","exampleAgentPrompt":"Can you pull all the page metadata from https://techcrunch.com — I need the Open Graph tags, Twitter card info, canonical URL, any RSS feeds, JSON-LD types, and the page language?","exampleUseCases":[{"title":"Social preview enrichment for link sharing","prompt":"Grab the Open Graph and Twitter card metadata from https://www.theverge.com/2024/1/15/my-article so I can see what title, description, and image would show up when someone shares it on social media."},{"title":"RSS feed discovery for a blog","prompt":"Check https://simonwillison.net and tell me if there are any RSS or Atom feeds available so I can subscribe to it."},{"title":"Structured data audit for SEO","prompt":"Fetch the page metadata for https://schema.org/Product and tell me what JSON-LD types are declared and what the canonical URL is — I'm auditing the structured data."}],"resultDescription":"A structured object containing extracted page metadata: Open Graph properties (og:title, og:description, og:image, etc.), Twitter card tags, canonical URL, discovered RSS/Atom feed URLs, JSON-LD schema types present on the page, and the declared or detected language of the page.","failureModes":["URL is not publicly accessible (private, paywalled, or requires authentication) — returns error or empty metadata","URL returns non-HTML content (PDF, image) — metadata fields may be absent","Page uses JavaScript-rendered metadata that cannot be extracted from raw HTML — fields may be missing","Invalid or malformed URL input — returns validation error","Page blocks crawlers via robots.txt or rate limiting — may return empty or partial results"],"whenToPreferThis":"Choose this endpoint when you need to quickly extract standardized web metadata (Open Graph, Twitter card, canonical, feeds, JSON-LD, language) from a single public URL without building your own HTML parser. It is well-suited for link-preview generation, SEO audits, feed discovery, and structured data inspection. Prefer it over general-purpose scraping endpoints when the specific goal is head-level metadata extraction rather than full page content.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T18:54:54.875Z","isFirstParty":false,"canonicalSlug":"page-metadata-extractor-open-graph-twitter-card-canonical-feeds-json-9698c393"}