{"uid":"cap_2LSnuJwZaNuekAC-YNEgJ","slug":"agentshelf-profile-rel-alternate-extractor-d017e210","name":"AgentShelf Profile Rel-Alternate Extractor","description":"Call when an agent needs link rel=alternate hrefs extracted from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/profile-rel-alternate first.","url":"https://agentshelf.syntexa.ch/v1/profile-rel-alternate?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","maxLength":2048,"minLength":8,"description":"Public page to fetch. The selector or profile is fixed by the SKU. Provide url or html."},"html":{"type":"string","examples":["<!doctype html><html lang=\"en\"><head><title>Hello</title>\n<meta name=\"description\" content=\"Desc\"><meta property=\"og:title\" content=\"OG\">\n<link rel=\"canonical\" href=\"https://example.com/\"><link rel=\"icon\" href=\"/favicon.ico\">\n</head><body><h1>Hello</h1><a href=\"https://example.com/a\">A</a></body></html>"],"maxLength":200000,"minLength":1,"description":"HTML to extract from locally. Provide html or url. When both are set, html is used."}}},"responseSchema":null,"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_M7AMKqbE7Q8WtJDowUOmO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts all link[rel=alternate] href values from a public webpage or raw HTML, with SSRF protection.","exampleAgentPrompt":"Can you fetch https://www.bbc.com/news and extract all the link rel=alternate hrefs from that page for me?","exampleUseCases":[{"title":"Discover RSS feeds from blog","prompt":"Go to https://martinfowler.com and pull out all the rel=alternate links — I want to find the RSS or Atom feed URLs on that page."},{"title":"Find hreflang alternates for SEO audit","prompt":"I need you to check https://www.apple.com/iphone/ and extract every link[rel=alternate] href — I'm auditing their international hreflang alternate tags."},{"title":"Parse raw HTML for alternate links","prompt":"I have some HTML here — can you extract all the rel=alternate hrefs from it? Here it is: <!DOCTYPE html><html><head><link rel='alternate' type='application/rss+xml' href='/feed.rss'/></head><body></body></html>"}],"resultDescription":"A list of href values from all <link rel='alternate'> tags found in the fetched page or provided HTML, enabling downstream use such as feed subscription, hreflang analysis, or content syndication discovery.","failureModes":["URL is unreachable or returns non-200 status — extraction fails with an error","SSRF protection blocks access to private/internal IP ranges or localhost URLs","HTML input exceeds 200,000 character limit — request rejected","No rel=alternate links found — returns empty list","Malformed HTML may result in incomplete or missed link tags"],"whenToPreferThis":"Use this endpoint when you need to reliably extract rel=alternate hrefs from a public URL or raw HTML blob with SSRF safety guarantees. Prefer the free sandbox endpoint POST /v1/sandbox/profile-rel-alternate first; fall back to this paid endpoint ($0.003 USDC) when the sandbox is unavailable or rate-limited. Choose this over general HTML scrapers when you specifically need alternate link tag extraction with no side effects.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T04:27:23.857Z","isFirstParty":false,"canonicalSlug":"agentshelf-profile-rel-alternate-extractor-d017e210"}