{"uid":"cap_UgjIzY_tLQli-0sz1e-n-","slug":"tech-detect-technology-stack-detection-for-a-domain-77dc9da9","name":"Tech Detect — Technology Stack Detection for a Domain","description":"Domain in, technology stack out. Confidence and evidence for every hit. Pay per call in USDC over x402. No signup, no API key.","url":"https://stack.halowerk.com/stack/articles/plausible?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_fXBxturawec_Rufny4bPy","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 technology stack used by a given domain, returning identified technologies with confidence scores and evidence, paid per-call in USDC via x402.","exampleAgentPrompt":"What's the technology stack behind stripe.com — tell me the frameworks, CMS, analytics tools, and any other detected technologies with their confidence scores.","exampleUseCases":[{"title":"Competitor tech stack audit","prompt":"Can you scan salesforce.com and tell me what frontend framework, backend stack, CDN, and analytics tools they're using? I want confidence scores for each hit."},{"title":"Verify Plausible analytics adoption","prompt":"Check whether linear.app is running Plausible Analytics — I need to know for sure, with evidence, if it's on their stack."},{"title":"Monitor stack changes over time","prompt":"I scanned notion.so last week and found they were using React 18 and Cloudflare. Can you re-check it now and flag any technologies that have changed or been added since then?"}],"resultDescription":"Returns a list of detected technologies for the given domain, each with a name, category (e.g. 'CMS', 'Analytics', 'CDN', 'JavaScript Framework'), version if detectable, confidence score, and supporting evidence. The response covers the full observable technology stack of the target URL.","failureModes":["Domain is unreachable or returns non-200 response — detection may return empty or partial results","Private or bot-protected sites may block scanning probes, reducing detection accuracy","Heavily obfuscated or minified front-ends may yield lower confidence scores","Payment failure via x402 will result in a 402 response and no detection output","Malformed URL input may cause a validation error"],"whenToPreferThis":"Choose this endpoint when you need per-call, no-signup technology stack detection paid in USDC via x402 — ideal for agents that need occasional or one-off scans without committing to a subscription. The optional 'previous' field makes it especially useful for change-detection workflows where you want to diff the current stack against a prior observation. Prefer this over scraping-based alternatives when you need structured, confidence-scored output with categorized technology hits.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:09.766Z","isFirstParty":false,"canonicalSlug":"tech-detect-technology-stack-detection-for-a-domain-42ae9b1e"}