{"uid":"cap_YhqSKpWLksv6vXdBFW8Vy","slug":"crawlspur-canonical-self-reference-check-14c9e7a1","name":"Crawlspur Canonical Self-Reference Check","description":"Prüft am Objekt canonical den Befund selbstreferenzierende kanonische Adresse.","url":"https://crawlspur.halowerk.com/v1/pruef/crawlspur/canonical-selbst/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_FYGlUbd3MjVwTxsh_TrPL","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 whether a webpage's canonical tag correctly points to itself (self-referencing canonical URL) on a given target URL.","exampleAgentPrompt":"Check if https://example.com/blog/my-post has a self-referencing canonical tag — I want to know if the canonical points to itself or somewhere else.","exampleUseCases":[{"title":"Technical SEO canonical audit","prompt":"Can you check whether https://shop.example.com/products/widget has a canonical tag that points to itself? I'm doing a technical SEO audit and need to confirm the canonical is self-referencing."},{"title":"Detecting canonical misconfiguration","prompt":"I think one of our pages might have a broken canonical setup — can you verify if https://myblog.com/article/top-10-tips correctly self-references its own canonical URL?"},{"title":"Pre-launch SEO validation","prompt":"Before we go live, check https://staging.mysite.com/landing-page to make sure the canonical tag is pointing to itself and not some other URL."}],"resultDescription":"Returns a structured finding indicating whether the canonical tag on the target page is self-referencing, including the detected canonical URL value and whether it matches the page's own address, along with any discrepancies found.","failureModes":["Target URL is unreachable or returns a non-200 HTTP status","Page has no canonical tag present","CSS selector matches zero or more than one element","Target URL is not a valid public HTTP/HTTPS address","Canonical tag exists but points to a different domain or path","Network timeout when fetching the target page"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that a specific page's canonical tag self-references correctly — ideal for automated SEO audits, pre-publish checks, or monitoring pipelines where canonical correctness is critical. Prefer this over generic HTML parsers when you need a structured pass/fail finding specifically for canonical self-reference validation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:01:47.360Z","isFirstParty":false}