{"uid":"cap_mH2IQhQJ0_D2_q91FCao2","slug":"agentshelf-css-a-hreflang-extractor-def5dc0b","name":"AgentShelf CSS a[hreflang] Extractor","description":"Call when an agent needs anchor hreflang values via a[hreflang] from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/css-a-hreflang first.","url":"https://agentshelf.syntexa.ch/v1/css-a-hreflang?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 charset=\"utf-8\"><meta name=\"description\" content=\"Desc\">\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":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_RHtWkZqPCV03D80WdxDTW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts anchor hreflang attribute values (a[hreflang]) from a public URL or raw HTML using CSS selector parsing, with SSRF protection.","exampleAgentPrompt":"Can you pull all the hreflang values from the anchor tags on https://example.com — I want to see which language and regional variants they're linking to?","exampleUseCases":[{"title":"Audit hreflang on international site","prompt":"Check https://www.acme.com and extract all the a[hreflang] values so I can see which language and country variants they're targeting."},{"title":"Validate hreflang from raw HTML","prompt":"I have this HTML snippet from a page — can you parse out all the anchor hreflang attributes so I can verify the language alternates are set up correctly?"},{"title":"SEO competitor hreflang analysis","prompt":"Go to https://competitor.com/product-page and grab all the hreflang anchor tag values — I want to know which markets they're targeting with alternate URLs."}],"resultDescription":"Returns a list of hreflang attribute values found in anchor (a) elements on the specified page or HTML, indicating language and regional targeting (e.g. 'en-US', 'fr-FR', 'de'). Useful for SEO audits and internationalization checks.","failureModes":["URL is unreachable or returns non-200 status — endpoint may return an error or empty result","SSRF protection blocks access to private/internal IP ranges or localhost URLs","HTML input exceeds 200,000 character limit — request rejected","No a[hreflang] elements found on page — returns empty list","Malformed HTML may result in incomplete or no extraction","URL exceeds 2048 character length limit — request rejected"],"whenToPreferThis":"Use this endpoint when you need to extract hreflang attribute values from anchor tags on a public webpage or a known HTML snippet, especially in SEO auditing, internationalization verification, or competitor analysis workflows. It is SSRF-safe, making it suitable for agent pipelines that fetch external URLs. If you have access to the unpaid sandbox version at POST /v1/sandbox/css-a-hreflang, prefer that first to avoid the $0.004 USDC cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:25.064Z","isFirstParty":false,"canonicalSlug":"agentshelf-css-a-hreflang-extractor-def5dc0b"}