{"uid":"cap_lI30Ob-liO5pI4hii2XV4","slug":"website-tech-stack-change-watch-c135d441","name":"Website Tech Stack Change Watch","description":"Change watch for website tech stack: 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 website technology detection changes. $0.01 per check.","url":"https://intel.rallylive.ca/watch/tech-stack","method":"GET","headers":{},"bodySchema":{"type":"object","$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_w-H1T9VmZnu2iy5fKBY9U","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 website's technology stack and returns a diff of what changed since the last check, with before/after field values and change timestamp.","exampleAgentPrompt":"Check if the tech stack on shopify.com has changed since you last looked — tell me exactly which technologies were added or removed and when the change was first detected.","exampleUseCases":[{"title":"Competitor platform migration alert","prompt":"Keep an eye on our top competitor's site, acmewidgets.com, and let me know the moment their tech stack changes — especially if they switch their CMS or add a new analytics tool."},{"title":"Client site audit trail","prompt":"I need to know if anything changed in the technology stack on my client's site, clientbrand.io, compared to the last time you checked — show me what's different with the before and after values."},{"title":"Scheduled e-commerce platform monitoring","prompt":"Run a tech stack change check on bigcartel.com and tell me whether anything has shifted since the previous snapshot, including which specific fields changed and when they were last seen."}],"resultDescription":"Returns the current tech stack snapshot for the domain, a boolean 'changed' flag indicating whether anything is different from the previous check (stored for 90 days), an array of exactly which fields changed with their before and after values, and the timestamp of when the stack was last seen. If no previous result exists, the current result is stored as the baseline.","failureModes":["Domain unreachable or returning errors — check will fail with an error response","First call for a domain returns no diff since no baseline exists yet","Baseline expires after 90 days — next call resets the comparison","URL pattern or query params not supplied correctly — returns input validation error","Payment not confirmed — request blocked before execution"],"whenToPreferThis":"Choose this endpoint when you need to detect changes in a website's technology stack over time rather than a one-time snapshot. It is ideal for scheduled agent workflows that poll on a cadence (daily, weekly) and only need to act when something actually changes. Prefer this over a plain tech-stack lookup when you want structured before/after diffs without managing your own state, and when a 90-day comparison window is sufficient.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:21:56.331Z","isFirstParty":false}