{"uid":"cap_lpi-n_275zYNLADBI0x5N","slug":"synapse-link-preview-d97a2aca","name":"Synapse Link Preview","description":"Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.","url":"https://anibalb.duckdns.org/x402/link-preview?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"title":"Example Domain","og:image":"https://example.com/img.png","og:title":"Example"}},"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_pJvW3aN_Mg6ZpCLGOykFn","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":"Fetches Open Graph and page title metadata from a given URL for link preview generation","exampleAgentPrompt":"Can you fetch the link preview metadata — title and og:image — for https://example.com so I can show a preview card?","exampleUseCases":[{"title":"Link card in chat message","prompt":"Before I send this article link to my team, can you grab the title and preview image from https://techcrunch.com/2024/01/15/openai-news so I can show a proper preview card?"},{"title":"Content moderation preview check","prompt":"Pull the page title and Open Graph image from https://suspiciousdomain.xyz so I can see what this link actually displays before anyone clicks it."},{"title":"Social post link enrichment","prompt":"I'm building a feed of shared URLs — can you fetch the og:title and og:image for https://www.bbc.com/news/technology-12345678 so I can render a thumbnail preview?"}],"resultDescription":"A JSON object containing the page title, og:title, and og:image URL extracted from the target webpage's HTML meta tags, suitable for rendering a link preview card.","failureModes":["Target URL is unreachable or returns non-200 status — empty or partial metadata returned","URL has no Open Graph tags — only raw title may be returned","Payment of $0.002 USDC on Base not completed — 402 response blocking access","Malformed or missing URL query parameter — request rejected","Target site blocks scraping or returns bot-detection page — incomplete metadata"],"whenToPreferThis":"Use this endpoint when you need lightweight Open Graph / link-preview metadata (title, image) from a URL without setting up accounts or API keys, and you're operating in a pay-per-call x402 crypto payment context on Base. Prefer this over full web scrapers when you only need og: tags and page title, not full page content.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:40:42.447Z","isFirstParty":false,"canonicalSlug":"synapse-link-preview-d97a2aca"}