{"uid":"cap_0CvmWVh1dUGM-4Dwe6igy","slug":"certificate-history-watch-2911a00c","name":"certificate-history-watch","description":"Change watch for certificate history: runs the check and compares it with the result from your previous call for the same domain (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 certificate issuance history from certificate-transparency logs changes. $0.01 per check.","url":"https://intel.rallylive.ca/watch/monitor/cert-history","method":"GET","headers":{},"bodySchema":{"type":"object","$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_FrPi2EdrpvSnL229XDJ7L","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 certificate transparency log history for a domain and detects changes between polling intervals, returning a diff of what changed.","exampleAgentPrompt":"Keep an eye on certificate transparency log history for example.com — check it on a schedule and let me know any time new certificates are issued or anything in the history changes.","exampleUseCases":[{"title":"Rogue certificate issuance alert","prompt":"Watch the certificate transparency logs for mybrand.com and alert me immediately if any new certificates are issued that I didn't authorize — show me exactly what changed and when."},{"title":"Security audit certificate tracking","prompt":"I'm doing a security audit. Start monitoring certificate history for acmecorp.com on a regular schedule and give me a before-and-after diff every time something changes in the CT logs."},{"title":"Domain takeover detection","prompt":"Set up ongoing monitoring for the certificate transparency history of our acquired domain oldstartup.io — I want to know the moment any new cert issuance appears so we can catch unauthorized activity early."}],"resultDescription":"Returns the current certificate history result, a boolean 'changed' flag indicating whether anything differs from the previous call, a field-level diff listing exactly which fields changed with before and after values, and a timestamp of when the data was last seen. Results are retained for 90 days per domain.","failureModes":["Domain not specified or invalid — no result returned","No prior snapshot exists (first call) — changed flag may be false or undefined, no diff available","Network or CT log fetch failure — may return error or stale data","Result retention window expired (>90 days since last call) — treated as first call with no baseline"],"whenToPreferThis":"Choose this endpoint when you need scheduled, diff-aware monitoring of certificate transparency logs for a specific domain — it handles state management automatically (storing the previous result for 90 days) and returns a structured field-level diff, saving you from storing and comparing snapshots yourself. Prefer it over a raw CT log query when you want change detection built in rather than having to implement your own comparison logic.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:11:08.359Z","isFirstParty":false}