{"uid":"cap_XIVEfxIjUrlzQI-LJwl6b","slug":"page-text-diff-bf0b3db7","name":"Page Text Diff","description":"Page text diff against your previous call: line-level added and removed text (up to 100 lines each), similarity ratio and word delta, with the baseline stored for 90 days. See exactly what changed on a page, not just that it changed. $0.01 per check.","url":"https://intel.rallylive.ca/page/text-diff","method":"GET","headers":{},"bodySchema":{"type":"object","$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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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_9BzSu5W_qqkluF509Bw2G","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":"Returns line-level added and removed text between the current and previous fetch of a webpage, plus similarity ratio and word delta, with a 90-day baseline store.","exampleAgentPrompt":"What changed on https://example.com/news/latest since the last time you checked it — show me which lines were added or removed and how similar the page still is to before.","exampleUseCases":[{"title":"Track competitor pricing page updates","prompt":"Check https://competitor.com/pricing and tell me exactly what lines were added or removed compared to the last snapshot — I want to know if they changed any prices or plan names."},{"title":"Monitor news article for editorial changes","prompt":"Has https://nytimes.com/2024/06/01/tech/story.html changed since you last checked it? Show me the added and removed lines and the similarity score."},{"title":"Audit documentation site for content drift","prompt":"Diff the current text of https://docs.myproduct.com/api-reference against the baseline you stored last time and tell me the word delta and which lines were added or deleted."}],"resultDescription":"Returns line-level lists of added lines (up to 100) and removed lines (up to 100) between the current page text and the previously stored baseline, along with a similarity ratio (0–1 float) and a word delta count. The baseline is stored for 90 days per URL.","failureModes":["URL is not reachable or returns non-200 HTTP status — diff cannot be computed","No baseline exists yet for this URL (first call) — returns empty diff with initial snapshot stored","Page returns non-text content (binary, PDF, etc.) — extraction may fail or return empty lines","Baseline expired after 90 days — treated as a first call, new baseline stored","Rate limiting or payment failure — endpoint returns 402 or 429 error"],"whenToPreferThis":"Choose this endpoint when you need to know exactly what text content changed on a specific webpage between two points in time — not just whether it changed, but which lines were added or removed. It is ideal for monitoring editorial updates, competitor page changes, documentation drift, or any scenario where line-level diff visibility matters. Prefer this over generic uptime monitors or checksum-only tools when the semantic content of the change is important.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:11:36.540Z","isFirstParty":false}