{"uid":"cap_gd7wmNJ7V0E7E78G8y8pb","slug":"crawlspur-canonical-content-type-checker-e960e5e6","name":"Crawlspur Canonical Content-Type Checker","description":"Prüft am Objekt canonical den Befund ausgelieferten Inhaltstyp.","url":"https://crawlspur.halowerk.com/v1/pruef/crawlspur/inhaltstyp/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_JzbJykggOvEQx8ZBv7eAS","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 and validates the delivered content type of a canonical URL target for SEO technical auditing.","exampleAgentPrompt":"Check the delivered content type for the canonical URL https://example.com/my-page and tell me if it's returning the expected HTML content type.","exampleUseCases":[{"title":"Canonical content-type SEO audit","prompt":"I want to verify what content type is being served at the canonical URL https://shop.example.com/product/shoes — can you check if it's returning text/html as expected?"},{"title":"Detecting non-HTML canonical targets","prompt":"Can you check the canonical on https://blog.example.com/article-123 and tell me if the content type is something unexpected like application/json or a redirect to a PDF?"},{"title":"Selective canonical inspection with CSS selector","prompt":"Audit the canonical link found in the element of https://news.example.com/story/456 — I need to know what content type that canonical address actually delivers."}],"resultDescription":"Returns a structured finding (Befund) describing the delivered content type of the inspected canonical object — typically including the MIME type returned by the canonical URL's HTTP response, any anomalies, and relevant status information for technical SEO evaluation.","failureModes":["Target URL is unreachable or returns a network error","URL is not publicly accessible (private/intranet)","Input URL is malformed or exceeds 2048 characters","CSS selector matches no element or returns ambiguous results","Canonical tag not found on target page","Payment authorization fails (x402 protocol error)","Rate limiting or server-side blocking of the crawler user agent"],"whenToPreferThis":"Choose this endpoint when you specifically need to audit the HTTP content-type returned by a canonical URL as part of a technical SEO crawl — for example, to detect pages where the canonical points to a non-HTML resource, a redirect chain, or an unexpected MIME type. It is part of a suite of specialized SEO checks on crawlspur.halowerk.com and is best used in automated SEO auditing pipelines.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:02:33.021Z","isFirstParty":false}