{"uid":"cap_QigwwRv_2l42CVuEm7O5U","slug":"tech-detect-website-technology-stack-detector-a2d6db4b","name":"Tech Detect — Website Technology Stack Detector","description":"Purpose-bound GitHub Pages observation (hosting) using the existing fresh Stack-Monitor. Returns stack_github_pages_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 time","url":"https://stack.halowerk.com/stack/articles/github-pages?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_90kqTEqf1aOuNSxRsjvD7","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":"Analyzes a website domain and returns its detected technology stack with confidence scores and supporting evidence for each technology found.","exampleAgentPrompt":"What's the technology stack behind shopify.com? I want to know the frameworks, CMS, CDN, and analytics tools with confidence scores for each hit.","exampleUseCases":[{"title":"Competitive tech stack research","prompt":"I'm researching competitors in the SaaS space — can you detect the full technology stack for notion.so and tell me what frontend framework, backend signals, and analytics tools they're using, with confidence scores?"},{"title":"Monitoring site tech stack changes","prompt":"Check the tech stack on acme-store.com right now — last time I looked on 2024-11-01 it was running Shopify and Google Analytics. Have they switched anything since then?"},{"title":"Lead enrichment for dev tool sales","prompt":"I have a prospect at linear.app — can you detect their technology stack so I know which tools they're already using before I reach out to pitch our developer product?"}],"resultDescription":"Returns a structured list of detected technologies on the given domain, each with a name, category (e.g. CMS, CDN, JavaScript framework, analytics), version if detectable, confidence score, and evidence supporting the detection. Also indicates which technologies are new or changed relative to a previously observed snapshot if one was provided.","failureModes":["Unresolvable or offline domain returns an error or empty results","Heavily obfuscated or behind-WAF sites may yield low confidence or incomplete detections","Version detection may be null if the site does not expose version signals","Passing a malformed URL (non-string or over 2048 chars) triggers a validation error","Payment failure via x402 results in a 402 response before any detection is attempted"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call, no-signup technology fingerprinting of a web domain — especially in automated pipelines where you don't want to manage API keys. The optional 'previous' field makes it especially useful for change-detection workflows, letting you diff the current stack against a prior observation. Prefer this over browser-based tools like Wappalyzer when you need structured, machine-readable output with confidence scores suitable for downstream agent reasoning.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:40:45.586Z","isFirstParty":false,"canonicalSlug":"tech-detect-website-technology-stack-detector-de30adb1"}