{"uid":"cap_MV9qXQR15DFOdGYG54M0c","slug":"table-header-cells-attribute-presence-check-0496e5f4","name":"Table Header Cells — Attribute Presence Check","description":"Table header cells — Attribute presence check: Attribute presence check for Table header cells. 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 attribute presence check result.","url":"https://market.datapackvibe.com/x402/assistant-bx-web-table-headers-attribute-presence?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><table><tbody><tr><th id=\"sample\">Example product guide</th></tr></tbody></table></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_uvWfKFAL8IafGkZKKws4Q","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":"Checks whether a specified HTML attribute (and optionally a specific attribute value) is present on table header cells matching a search term in a given webpage or HTML snippet.","exampleAgentPrompt":"Check if the table header cell containing the word 'product' on this page https://example.com/catalog has an 'id' attribute with the value 'sample'.","exampleUseCases":[{"title":"Accessibility audit on product table","prompt":"Can you check if the table header cell that contains 'Price' on https://shop.example.com/products has a 'scope' attribute? I want to make sure the table is accessible."},{"title":"Verify data attribute on spec sheet","prompt":"I have this HTML snippet of a spec table — can you tell me if the header cell containing 'Memory' has a 'data-col' attribute with value 'ram'? Here's the HTML: <!doctype html><html><body><table><tr><th data-col=\"ram\">Memory</th></tr></table></body></html>"},{"title":"QA check for id attribute on report header","prompt":"Look at https://internal.example.com/report and check whether the table header cell with the word 'Region' has an 'id' attribute set to 'region-header'."}],"resultDescription":"Returns a bounded attribute presence check result indicating whether the specified attribute (and optionally its value) exists on table header cells that match the provided search term, parsed statically from the supplied URL or raw HTML without JavaScript rendering.","failureModes":["URL is unreachable or returns non-200 status — no HTML to parse","No table header cells found in the page or HTML snippet","Search term does not match any th element text — empty result","Attribute name fails regex validation (must start with a letter)","HTML exceeds 100,000 character limit — input rejected","URL exceeds 2,048 character limit — input rejected","Page requires JavaScript rendering — static parser returns incomplete DOM"],"whenToPreferThis":"Choose this endpoint when you need a cheap, fast, statically-parsed check for a specific HTML attribute on table header cells — ideal for accessibility audits, QA pipelines, or automated markup validation where JavaScript rendering is not required and you only need a presence/value check rather than full table extraction.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:48:36.607Z","isFirstParty":false,"canonicalSlug":"table-header-cells-attribute-presence-check-0496e5f4"}