{"uid":"cap_7Pr6sKS8t-MzX1KTNWu_x","slug":"lordevo-page-change-check-7029b7a0","name":"Lordevo Page Change Check","description":"Page change check: content hash, clean text and line diff: Fetches one public page and returns a SHA-256 hash of its main text plus the clean text; if you send the previous hash or text it also says changed yes/no and, with previous text, lists added and removed lines. Input: url, optional previous_","url":"https://shop.lordevo.com/api/quick/page-diff?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string","description":"Public http(s) URL or bare domain, e.g. https://example.com"},"previous_hash":{"type":"string","pattern":"^[a-fA-F0-9]{64}$","description":"content_sha256 from your previous call"},"previous_text":{"type":"string","maxLength":200000,"description":"text from your previous call (gives the changed lines; POST for long text)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["tool","url","content_sha256","text"],"properties":{"url":{"type":"string"},"diff":{"type":["object","null"]},"text":{"type":"string"},"tool":{"type":"string"},"status":{"type":"integer"},"changed":{"type":["boolean","null"]},"compared_with":{"type":["string","null"]},"content_sha256":{"type":"string"},"text_truncated":{"type":"boolean"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_DQKGw4nZWfh5jvEUtpiUh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a public webpage, returns a SHA-256 hash and clean text of its main content, and optionally detects changes and diffs added/removed lines against a previous snapshot.","exampleAgentPrompt":"Check if https://example.com/pricing has changed since my last snapshot — compare it against this previous hash: a3f1...b2c9 and tell me which lines were added or removed.","exampleUseCases":[{"title":"Competitor pricing page monitor","prompt":"Fetch https://competitor.com/pricing and compare it to this previous text I saved last week — tell me exactly which lines were added or removed so I know what changed."},{"title":"Documentation update tracker","prompt":"Check https://docs.myframework.io/changelog and see if it's changed since this hash: e4a2d1c3b5f6789012345678901234567890abcdef1234567890abcdef123456 — I want to know if there's new content."},{"title":"Content integrity verification","prompt":"Grab the main text from https://mypublished-article.com/post/123 and give me its SHA-256 hash so I can verify nothing has been altered since I published it."}],"resultDescription":"Returns a JSON object containing the canonical URL fetched, HTTP status code, a SHA-256 hash of the page's extracted main text, the clean text itself, a boolean `changed` flag (null if no previous hash/text was supplied), a `compared_with` field indicating what was compared against, and optionally a `diff` object listing added and removed lines. Also includes `text_truncated` if the text was cut off.","failureModes":["URL is unreachable or returns non-200 status — endpoint may still return hash/text of error page or report failure","Invalid previous_hash format (not 64 hex chars) causes schema validation error","Page has no extractable main text — returns empty or minimal text with valid hash","Very long previous_text may be truncated at 200,000 character limit","Private/intranet URLs return no content or access denied","Rate limiting or payment failures result in 402 or 429 responses"],"whenToPreferThis":"Choose this endpoint when you need lightweight, recurring page change detection without running a full browser or crawler. It is ideal for monitoring specific public pages (documentation, pricing, news, status pages) where you want a stable content hash for comparison across polling intervals. Prefer it over full SEO audit endpoints when you only care about content changes, not technical SEO signals. It is well-suited for agents that poll on a schedule and need to decide whether to take action only when content actually changes.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:25.403Z","isFirstParty":false,"canonicalSlug":"lordevo-page-change-check-7029b7a0"}