{"uid":"cap_q14ZEsSPPXQV2BNDnizH4","slug":"tech-detect-website-technology-stack-fingerprinter-d2691965","name":"Tech Detect — Website Technology Stack Fingerprinter","description":"Purpose-bound Cloudflare observation (cdn) using the existing fresh Stack-Monitor. Returns stack_cloudflare_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the injected motor. One public HTTPS root domain, up to150 baseline technologies; 9s timeout.","url":"https://stack.halowerk.com/stack/articles/cloudflare?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","maxLength":2048},"previous":{"type":"object","required":["observed_at","technologies"],"properties":{"observed_at":{"type":"string","maxLength":40},"technologies":{"type":"array","items":{"type":"object","required":["name","category","version"],"properties":{"name":{"type":"string","maxLength":150},"version":{"type":["string","null"],"maxLength":80},"category":{"type":"string","maxLength":80}},"additionalProperties":false},"maxItems":150}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_lktFwirjeHqZem5TDjQwO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Detects the full technology stack of a given domain/URL, returning each detected technology with confidence score and supporting evidence, via pay-per-call x402 micropayment.","exampleAgentPrompt":"Can you scan stripe.com and tell me every technology it's running — frameworks, CDN, analytics, CMS — with confidence scores and evidence for each hit?","exampleUseCases":[{"title":"Competitive tech stack research","prompt":"I'm doing competitive research on shopify.com — can you detect their full technology stack and tell me what frontend framework, CDN, analytics tools, and payment infrastructure they're using, with confidence for each?"},{"title":"Sales prospecting enrichment","prompt":"I'm prospecting a lead at notion.so — scan their domain and tell me what CMS, JavaScript frameworks, and marketing tools they have installed so I can personalize my outreach."},{"title":"Security audit pre-screening","prompt":"Before I run a pentest engagement, scan target-corp.com and list all detected technologies, versions, and categories so I know what attack surface to focus on."}],"resultDescription":"Returns a structured list of detected technologies for the given URL. Each entry includes the technology name, its category (e.g. CDN, CMS, JavaScript Framework), detected version (or null if unknown), a confidence score, and the evidence or signals that triggered the detection. The response enables complete stack profiling of any public-facing domain.","failureModes":["Domain unreachable or non-existent — returns empty results or error","Heavily obfuscated or minimal sites may yield low-confidence or sparse results","Rate limits or blocking by the target domain may degrade detection quality","Invalid URL format in input results in validation error","Payment failure via x402 protocol prevents the call from executing"],"whenToPreferThis":"Choose this endpoint when you need structured, confidence-weighted technology fingerprinting of a specific domain without managing API keys or subscriptions — particularly suited for AI agents that need on-demand, pay-per-call stack detection as part of automated enrichment pipelines, competitive research workflows, or sales prospecting. The optional `previous` parameter makes it ideal for change-detection use cases where you want to diff the current stack against a prior observation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:12.669Z","isFirstParty":false,"canonicalSlug":"tech-detect-website-technology-stack-fingerprinter-ae8ec015"}