{"uid":"cap_EKLS9DbbmqgKrBpYDptzc","slug":"url-evidence-inspector-x402-f0338089","name":"URL Evidence Inspector (x402)","description":"Paid deterministic utility APIs settled in native USDC on Base.","url":"https://x402-url-evidence.vercel.app/api/evidence","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string","description":"Public HTTP(S) URL to inspect"},"expectedText":{"type":"string","description":"Optional case-insensitive text to match"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"title":"Example Domain","sha256":"64 lowercase hexadecimal characters","status":200,"snippet":"Example Domain...","finalUrl":"https://example.com/","bytesHashed":1256,"expectedTextMatch":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"1","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":"$1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Dcv-4Oidw3DzhpJF3tbug","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a public URL via HTTP GET/HEAD/DELETE and returns a deterministic SHA-256 hash, status code, page title, text snippet, and optional keyword match — paid in USDC on Base.","exampleAgentPrompt":"Fetch https://example.com using a GET request and give me its SHA-256 hash, HTTP status, page title, and tell me if it contains the text 'ICANN'.","exampleUseCases":[{"title":"Legal disclaimer presence check","prompt":"Check if https://mycorp.com/terms still contains the phrase 'arbitration clause' — give me the SHA-256 hash and confirm whether that text is present."},{"title":"Content integrity audit for published page","prompt":"Fetch https://docs.myproject.io/changelog with a GET and return its SHA-256 hash and snippet so I can confirm the page content hasn't changed since our last release."},{"title":"Redirect destination verification","prompt":"Do a GET on https://short.link/abc123 and tell me the final URL it lands on, the HTTP status code, and the page title."}],"resultDescription":"Returns a JSON object with: HTTP status code, SHA-256 hash of the response body, page title extracted from HTML, a short text snippet of the content, the final resolved URL (after any redirects), number of bytes hashed, and a boolean indicating whether the optional expected text was found in the response.","failureModes":["URL is unreachable or times out — may return a non-200 status or error object","Private/intranet URLs not accessible from the server will fail to fetch","Redirects to non-HTTP schemes (e.g. javascript:) may cause errors","Very large responses may be truncated before hashing","Non-HTML content types (e.g. binary files) may produce empty title and snippet fields","Payment failure in USDC will prevent the call from completing (402 returned)"],"whenToPreferThis":"Choose this endpoint when you need a trustworthy, cryptographically verifiable snapshot of a public URL's content — especially when you need a SHA-256 fingerprint to prove page state, detect changes, or confirm keyword presence. It is ideal for audit trails, content integrity checks, and web verification tasks where determinism and a tamper-evident hash matter. Prefer it over generic scraping tools when payment accountability and hash-based evidence are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:35:35.088Z","isFirstParty":false}