{"uid":"cap_iI7jIRd-8Xs6yI33c4G63","slug":"x402-markdown-extractor-url-unfurl-bfafd3a9","name":"x402-markdown-extractor URL Unfurl","description":"Generate a compact link-preview card (title, description, image, site name) from a URL using OpenGraph/Twitter tags — for chat unfurls, social previews and agent link summaries.","url":"https://x402.valkyry.fr/unfurl?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","format":"uri","description":"Absolute http(s) URL. Must be publicly reachable; private/loopback/metadata addresses are rejected."}}},"responseSchema":{"type":"json","example":{"url":"https://example.com","image":"https://example.com/og.png","title":"Example","siteName":"Example","description":"…"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Ax3ehZiPX3Aezjlq2oGCi","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches and extracts Open Graph metadata (title, description, image, site name) from any public URL","exampleAgentPrompt":"Can you unfurl this link and tell me the title, description, and preview image? https://openai.com/blog/chatgpt","exampleUseCases":null,"resultDescription":"Returns a JSON object with the resolved URL, Open Graph image URL, page title, site name, and description extracted from the page's metadata tags","failureModes":["Private, loopback, or metadata IP addresses are rejected with an error","URL is unreachable or times out — no metadata returned","Page has no Open Graph tags — fields may be null or empty","Malformed or non-http(s) URL returns a validation error","Payment of 0.001 USDC via x402 on Base must succeed before content is returned"],"whenToPreferThis":"Use this endpoint when you need to enrich a URL with human-readable preview metadata (title, description, OG image) for display, summarization, or content enrichment purposes — especially in agentic workflows that require pay-per-call micropayments via USDC on Base and need a lightweight, low-cost solution","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T04:01:28.326Z","isFirstParty":false,"canonicalSlug":"x402-markdown-extractor-url-unfurl-bfafd3a9"}