{"uid":"cap_OrXXDcq9PjZZNvdO3QgOT","slug":"proofdesk-launch-qa-api-metadata-endpoint-38db6467","name":"ProofDesk Launch QA API — Metadata Endpoint","description":"A deterministic launch report for supported managed-hosting pages. Pay $0.04 USDC per request with x402 on Base or Solana.","url":"https://proofdesk-audit-api.konstanta-work-x.chatgpt.site/api/metadata?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"source":"server-rendered-html","finalUrl":"https://example.com/","metadata":{"title":"Example Domain","robots":null,"favicon":"/favicon.ico","twitter":{"card":"summary_large_image","image":null,"title":null,"description":null},"language":"en","viewport":"width=device-width, initial-scale=1","canonical":"https://example.com/","openGraph":{"url":"https://example.com/","type":"website","image":"/preview.png","title":"Example Domain","siteName":null,"description":"A public example page."},"description":"A public example page."},"elapsedMs":120,"fetchedAt":"2026-07-30T00:00:00.000Z","redirects":[],"disclaimer":"Declared values from the fetched HTML source only; JavaScript rendering and social-platform preview behavior are not evaluated.","httpStatus":200,"metadataId":"pdm_example","requestedUrl":"https://example.com/","missingFields":["robots","openGraph.siteName","twitter.title","twitter.description","twitter.image"]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_68u60YC94x0uKn6W6zdxQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches and returns deterministic HTML metadata (title, Open Graph, Twitter cards, robots, canonical, etc.) for a given URL hosted on a supported managed-hosting platform","exampleAgentPrompt":"Can you run a launch QA check on https://myproduct.example.com and tell me which metadata fields like Open Graph title, description, Twitter card, and canonical URL are present or missing?","exampleUseCases":[{"title":"Pre-launch SEO metadata audit","prompt":"Before I publish my new landing page at https://acme.chatgpt.site/launch, can you check all its metadata — Open Graph tags, Twitter card, canonical URL, robots, favicon — and tell me what's missing or wrong?"},{"title":"Social sharing preview verification","prompt":"I'm about to share https://mybrand.chatgpt.site/product on Twitter and LinkedIn — can you fetch the page's Twitter card and Open Graph metadata so I can see exactly what the preview will look like and whether any fields are blank?"},{"title":"Automated post-deploy metadata validation","prompt":"We just deployed https://storefront.chatgpt.site/home — can you run a metadata check on it and flag any missing fields like og:image, og:description, or twitter:card so we know if it's ready to go live?"}],"resultDescription":"A JSON object containing the fetched page's full metadata snapshot: source rendering method, final and requested URLs, HTTP status, redirect chain, elapsed fetch time, a structured metadata object (title, description, canonical, language, viewport, favicon, robots, Open Graph fields, Twitter card fields), a list of missing fields, a unique metadataId, fetchedAt timestamp, and a disclaimer noting that JavaScript rendering and social-platform preview behavior are not evaluated.","failureModes":["Unsupported hosting platform — only managed-hosting pages on supported domains are auditable","URL is unreachable or returns a non-200 HTTP status — httpStatus field reflects the error","Page uses heavy client-side JavaScript rendering — metadata may be incomplete since only server-rendered HTML is parsed","Missing or malformed URL input — request rejected with validation error","Rate limiting or payment failure via x402 — request not processed","Redirect loops or chains that exceed limits — may result in fetch failure"],"whenToPreferThis":"Choose this endpoint when you need a deterministic, structured audit of a web page's static HTML metadata — specifically Open Graph tags, Twitter card fields, canonical URL, robots directives, and basic SEO signals — for pages hosted on supported managed-hosting platforms. It is ideal for pre-launch QA workflows, automated post-deploy checks, or social-sharing preview verification. Prefer it over general-purpose scrapers when you need a structured missing-fields report and a consistent metadata schema rather than raw HTML. Not suitable for JavaScript-heavy SPAs where metadata is injected client-side, or for arbitrary URLs outside supported hosting environments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:33:33.655Z","isFirstParty":false,"canonicalSlug":"proofdesk-launch-qa-api-metadata-endpoint-38db6467"}