{"uid":"cap_HolmDN7YH4u8KpDx8OlXB","slug":"page-language-detect-watch-6d50f2fa","name":"Page Language Detect Watch","description":"Change watch for page language detect: runs the check and compares it with the result from your previous call for the same url (kept 90 days), returning the current answer, changed true/false, exactly which fields changed with before/after values, and when it was last seen. Call it on a schedule to be told when page language detection changes. $0.01 per check.","url":"https://intel.rallylive.ca/watch/site/language","method":"GET","headers":{},"bodySchema":{"type":"object","$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":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_BbpaeEJNxTGogl1BGfF7J","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Monitors a webpage's detected language over time and reports when it changes, with before/after field diffs retained for 90 days.","exampleAgentPrompt":"Keep an eye on https://example.com and let me know whenever the detected page language changes — show me exactly what changed and what it was before.","exampleUseCases":[{"title":"Competitor localization shift detection","prompt":"Watch https://competitor.com/pricing and tell me if the detected language ever changes from English — I want to know the moment they localize that page, with before and after details."},{"title":"Multilingual site quality monitoring","prompt":"Set up a recurring check on https://mystore.fr and alert me any time the detected page language flips away from French, so I can catch accidental content rollbacks."},{"title":"SEO audit for language consistency","prompt":"Check https://blog.example.com for language detection changes over time — I need to see whether the detected language has shifted since the last check and exactly which fields are different."}],"resultDescription":"Returns the current page language detection result, a boolean 'changed' flag indicating whether it differs from the previous call for the same URL, a list of specific fields that changed with their before and after values, and the timestamp of the last observation. Results are retained and compared for up to 90 days.","failureModes":["Invalid or unreachable URL returns an error with no comparison data","First-time call for a URL has no baseline to compare against so 'changed' is false by default","URLs that redirect may produce inconsistent language detection across calls","Payment failure (x402) blocks the check from executing","Pages behind authentication may not be accessible for language detection"],"whenToPreferThis":"Use this endpoint when you need to be notified of changes in a webpage's detected language over time rather than just getting a one-time snapshot. It is specifically suited for scheduled monitoring workflows where knowing what changed and when is important. Prefer this over a one-shot language detection call when you want diff tracking, 90-day history retention, and change alerting without building your own comparison logic.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:22:01.470Z","isFirstParty":false}