{"uid":"cap_7BUxXkY-bF7Wwq2gquwmc","slug":"mekler-ai-web-page-metadata-extractor-cf11f747","name":"Mekler AI Web Page Metadata Extractor","description":"Extract static page metadata and share previews from one public HTML URL: title, description, canonical candidates, Open Graph/Twitter fields, image and favicon references. Resolve relative links, disclose canonical conflicts and apply explicit precedence. Maximum 1 MiB HTML and five redirects. No JavaScript rendering, asset retrieval or reachability guarantee for linked images.","url":"https://api.mekler.ai/v1/web/pages/extract-metadata?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","maxLength":2048},"request_id":{"type":"string","pattern":"^[A-Za-z0-9_-]{16,64}$"}}},"responseSchema":{"type":"json","example":{"url":"https://mekler.ai/","icons":["https://mekler.ai/favicon.ico"],"title":"Mekler example","images":["https://mekler.ai/preview.png"],"status":"ok","twitter":{"card":["summary"]},"open_graph":{"type":["website"],"title":["Mekler example"]},"description":"Synthetic preview metadata","limitations":["Static HTML only; no JavaScript rendering or asset fetching.","First valid canonical link wins; conflicts are disclosed. Title uses HTML then OpenGraph then Twitter.","Linked images/icons/canonical destinations are references, not verified reachable assets."],"retrieved_at":"2026-10-18T00:00:00Z","canonical_url":"https://mekler.ai/","canonical_conflict":false,"canonical_candidates":["https://mekler.ai/"]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6qGsUOyCAsIKT4oIOvAEk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts static HTML page metadata including title, description, Open Graph/Twitter fields, canonical URL, images, and favicon from a single public URL","exampleAgentPrompt":"Can you pull the page metadata from https://techcrunch.com/2024/01/15/openai-news/ — I need the title, description, Open Graph tags, canonical URL, and any social preview images listed in the HTML?","exampleUseCases":[{"title":"Social share preview before posting","prompt":"Before I post this link to our Slack channel, can you fetch the preview metadata from https://example.com/blog/our-big-announcement — I want to see the title, description, and the og:image that will show up in the unfurl?"},{"title":"SEO canonical URL audit","prompt":"Check the page at https://www.myshop.com/products/blue-widget for me — I need to know what canonical URL is declared, whether there are any canonical conflicts, and what all the canonical candidates are in the HTML."},{"title":"Link enrichment for content aggregator","prompt":"I'm building a reading list and need the metadata for this article at https://arstechnica.com/science/2024/03/new-discovery/ — grab the title, meta description, Open Graph type, and any images referenced so I can populate the card."}],"resultDescription":"Returns a JSON object with the resolved page title, meta description, canonical URL, canonical candidates array, a boolean flag for canonical conflicts, Open Graph fields as key-value arrays, Twitter card fields, a list of image URLs, a list of favicon/icon URLs, the retrieval timestamp, the original URL, status, and a list of applicable parsing limitations.","failureModes":["URL exceeds 2048 characters — request rejected","HTML response exceeds 1 MiB — content truncated or rejected","More than five redirects encountered — fetch aborted","Page requires JavaScript rendering — metadata will be incomplete or missing","Linked images and icons are returned as references with no reachability guarantee","Canonical conflicts detected — all candidates disclosed but first valid wins","Non-public or access-restricted URL — may return empty or partial metadata","Malformed HTML — parser may produce incomplete fields"],"whenToPreferThis":"Choose this endpoint when you need to quickly extract static HTML metadata (title, description, OG tags, Twitter cards, canonical URL, images, favicon) from a single public webpage without needing JavaScript execution, full asset downloading, or content body extraction. It is ideal for link preview generation, SEO audits of canonical declarations, social share enrichment, and content aggregation card population. Prefer alternatives if you need rendered page content, JavaScript-dependent metadata, full page text extraction, or asset reachability verification.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T06:42:01.879Z","isFirstParty":false,"canonicalSlug":"mekler-ai-web-page-metadata-extractor-cf11f747"}