{"uid":"cap_ic4-3zSlE-KZ0nZi6ceQQ","slug":"crawlspur-x-robots-tag-check-for-canonical-urls-f621ce37","name":"Crawlspur X-Robots-Tag Check for Canonical URLs","description":"Prüft am Objekt canonical den Befund Wert des X-Robots-Tags.","url":"https://crawlspur.halowerk.com/v1/pruef/crawlspur/x-robots/canonical","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"ziel":{"oneOf":[{"type":"string","maxLength":2048,"minLength":1,"description":"Öffentliche HTTP(S)-Adresse; bei DNS-Befunden Domain oder öffentliche IP."},{"type":"object","required":["adresse"],"properties":{"adresse":{"type":"string","maxLength":2048,"minLength":1},"selektor":{"type":"string","maxLength":240,"minLength":1,"description":"CSS-Selektor: genau ein Objekt, sonst erster Treffer des Objektfilters."},"vergleich":{"type":"string","maxLength":2048,"description":"Öffentliche Vergleichsadresse für Link-, Sitemap- oder Sprachbefunde."},"user_agent":{"type":"string","pattern":"^[A-Za-z0-9_-]{1,80}$"},"dkim_selektor":{"type":"string","pattern":"^[A-Za-z0-9_-]{1,63}$"}},"additionalProperties":false}]}}},"responseSchema":null,"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_O68BjswhGzo-2120gdeEH","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":"Checks the X-Robots-Tag HTTP header value on a canonical URL object for SEO indexability directives.","exampleAgentPrompt":"Check the X-Robots-Tag header on the canonical URL https://example.com/landing-page and tell me what indexability directive is set there.","exampleUseCases":[{"title":"Canonical page noindex audit","prompt":"Can you check the X-Robots-Tag on the canonical version of https://shop.example.com/product/shoes and tell me if it has any noindex or nofollow directives that would block search engines?"},{"title":"Pre-launch SEO header check","prompt":"Before we go live, inspect the X-Robots-Tag value on https://staging.mysite.com/about — I need to make sure it won't be blocking indexing in production."},{"title":"Diagnose disappearing canonical from Google","prompt":"Our canonical page https://blog.example.com/top-article suddenly dropped out of Google's index — can you check if the X-Robots-Tag header is sending a noindex signal on that canonical URL?"}],"resultDescription":"Returns the value of the X-Robots-Tag HTTP response header found on the specified canonical URL, indicating any crawl or indexing directives (e.g. noindex, nofollow, none) present on that object.","failureModes":["Target URL is unreachable or returns a non-200 HTTP status","URL is not publicly accessible (private/intranet)","No X-Robots-Tag header present on the canonical object","Invalid URL format or URL exceeds maximum length","CSS selector matches no element or multiple elements unexpectedly","Network timeout when fetching the target URL"],"whenToPreferThis":"Use this endpoint when you specifically need to audit the X-Robots-Tag HTTP response header on a canonical URL object for SEO purposes. It is distinct from meta-robots checks (which inspect HTML head tags) and is targeted specifically at the canonical object type, making it the right choice when diagnosing indexability issues caused by server-level response headers on canonical pages.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:42:47.076Z","isFirstParty":false}