{"uid":"cap_ViK8EiPzPbVcN4PXQjEjM","slug":"creator-desk-page-evidence-checker-3112ebc7","name":"Creator Desk Page Evidence Checker","description":"Machine-callable x402-paid utilities for autonomous agents.","url":"https://creator-desk-x402-isolated.onrender.com/v1/web/evidence?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","maxLength":2048,"description":"Public HTTPS HTML page to inspect."},"checks":{"type":"array","items":{"type":"object","required":["id","text"],"properties":{"id":{"type":"string","pattern":"^[A-Za-z0-9._:-]{1,64}$"},"text":{"type":"string","maxLength":500,"minLength":1}},"additionalProperties":false},"maxItems":20,"minItems":1}}},"responseSchema":{"type":"json","example":{"http":{"status":200,"latency_ms":100,"status_text":"OK","content_type":"text/html; charset=UTF-8"},"scope":"Source-page text presence only. This does not establish factual truth, semantic equivalence, endorsement, or current real-world validity.","checks":[{"id":"example-heading","text":"Example Domain","present":true,"contexts":["Example Domain This domain is for use in illustrative examples"],"count_capped":false,"occurrence_count":1},{"id":"illustrative-use","text":"illustrative examples","present":true,"contexts":["This domain is for use in illustrative examples in documents"],"count_capped":false,"occurrence_count":1}],"version":"1.0.0","final_url":"https://example.com/","checked_at":"2026-09-25T00:00:00.000Z","product_id":"creator_desk_page_evidence_checker","matched_count":2,"requested_url":"https://example.com/","unmatched_count":0,"body_fingerprint":{"sha256":"0000000000000000000000000000000000000000000000000000000000000000","bytes_read":1256}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_qTieVkeuz6Uc-izAsty4Z","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether specified text strings are present on a given public HTTPS webpage and returns occurrence counts and surrounding context snippets.","exampleAgentPrompt":"Can you check whether the page at https://example.com/about mentions the phrase 'certified organic' and also whether it contains 'money-back guarantee'?","exampleUseCases":[{"title":"Verify product claim on landing page","prompt":"Check whether the product page at https://acmecorp.com/products/widget mentions the phrase 'FDA approved' and also whether it says '30-day free trial' — I want to know if both claims are actually there before I reference them in my report."},{"title":"Confirm legal disclaimer presence","prompt":"Can you verify that https://startup.io/terms contains the text 'arbitration clause' and 'limitation of liability'? I need to confirm those provisions are actually on the page."},{"title":"Monitor competitor messaging","prompt":"Check the page https://rival-brand.com and tell me whether it currently mentions 'AI-powered' and 'enterprise ready' — I'm tracking what claims they're making publicly."}],"resultDescription":"A JSON object with per-check results including: a boolean `present` flag, the `occurrence_count` of how many times the text was found, up to a handful of `contexts` (surrounding text snippets), and whether the count was capped. Also includes HTTP metadata (status code, latency, content type), the final resolved URL, a SHA-256 body fingerprint, a timestamp, and a scope disclaimer clarifying this is source-text presence only (not factual truth or semantic equivalence).","failureModes":["Non-HTTPS or non-HTML URLs will fail or return unexpected results","Pages behind authentication or paywalls will not be accessible","JavaScript-rendered content may not appear in the inspected source HTML","Very large pages may have body bytes capped, potentially missing late-occurring text","Redirects are followed but the final URL is reported, which may differ from input","Rate limiting or server-side blocking of the crawler IP may cause HTTP errors","Malformed or unreachable URLs will produce HTTP error status in the response"],"whenToPreferThis":"Use this endpoint when you need a lightweight, verifiable, source-text check of whether specific phrases or strings appear on a public webpage — particularly for compliance checks, claim verification, content auditing, or monitoring. It is ideal when you have exact or near-exact text to look for rather than semantic meaning. Prefer this over general web scraping when you only need presence/absence and context snippets rather than full page extraction, and when you need a content fingerprint for auditability.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:40:55.746Z","isFirstParty":false,"canonicalSlug":"creator-desk-page-evidence-checker-3112ebc7"}