{"uid":"cap_PQx460_hjcfPZi_V3ng9U","slug":"canonical-url-declarations-text-length-statistics-04586a18","name":"Canonical URL Declarations — Text Length Statistics","description":"Canonical URL declarations — Text length statistics: Text length statistics for Canonical URL declarations. One public HTTPS page or supplied HTML; static parsing, no JavaScript rendering, login or access bypass. Specialised preset in a shared 50-profile, 20-operation engine. 0.01 USDC includes one bounded text length statistics result.","url":"https://market.datapackvibe.com/x402/assistant-bx-web-canonical-lengths?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","default":"","maxLength":2048},"html":{"type":"string","default":"<!doctype html><html><head></head><body><link rel=\"canonical\" href=\"https://www.iana.org/help/example-domains\" id=\"sample\"></body></html>","maxLength":100000},"term":{"type":"string","default":"product","maxLength":100,"minLength":1},"attribute":{"type":"string","default":"id","pattern":"^[a-zA-Z][a-zA-Z0-9:_-]{0,49}$","maxLength":50},"previous_texts":{"type":"array","items":{"type":"string","default":"","maxLength":1000},"default":["Older example"],"maxItems":200,"minItems":0},"attribute_value":{"type":"string","default":"sample","maxLength":200}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8z_vM5uWx2by8AlO1cY2l","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Parses a public webpage or supplied HTML to extract text length statistics for canonical URL declaration elements, without JavaScript rendering or login.","exampleAgentPrompt":"Can you parse the page at https://example.com/product-page and give me text length statistics for all the canonical URL declarations — specifically looking at elements with the attribute id equal to 'canonical-main'?","exampleUseCases":[{"title":"SEO audit of canonical tag lengths","prompt":"I want to check the text length statistics for the canonical URL declarations on https://shop.example.com/shoes — can you parse the page and tell me how long those canonical element texts are?"},{"title":"Validate canonical tags in supplied HTML","prompt":"Here's some HTML I'm working with: <!doctype html><html><head><link rel=\"canonical\" href=\"https://example.com/page\" id=\"main-canonical\"></head></html> — can you extract text length statistics for the canonical URL declarations, looking at elements with attribute id equal to 'main-canonical'?"},{"title":"Compare canonical declaration lengths across versions","prompt":"I have a list of previous canonical texts like 'https://old.example.com/page' and I want to check the canonical URL declaration text lengths on https://example.com/new-page to see how they compare — can you run the text length statistics?"}],"resultDescription":"Returns a bounded text length statistics result covering the canonical URL declaration elements found in the parsed page or HTML, including computed metrics such as character counts and related text length measures for matching elements.","failureModes":["URL is not publicly accessible or returns a non-200 HTTP status","HTML exceeds 100,000 character limit","No canonical URL declarations found matching the specified attribute/value","URL or HTML input malformed or missing","Attribute name does not match pattern requirements","previous_texts array exceeds 200 items"],"whenToPreferThis":"Choose this endpoint when you need lightweight, static HTML parsing specifically focused on text length statistics for canonical URL declaration elements on a page, without needing JavaScript rendering or authenticated access. It is well-suited for SEO auditing workflows, HTML validation pipelines, and agents that need fast, cheap per-page canonical tag analysis at $0.01 per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T00:52:31.729Z","isFirstParty":false,"canonicalSlug":"canonical-url-declarations-text-length-statistics-04586a18"}