{"uid":"cap_ARnpodV5HNuslXGoOEZpe","slug":"tech-detect-web-technology-stack-detection-84db6df9","name":"Tech Detect — Web Technology Stack Detection","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/litespeed?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_nk4te4fbz_YVku9x5sUit","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 of a given domain, returning confidence scores and evidence for each identified technology.","exampleAgentPrompt":"Scan the technology stack for stripe.com and give me a breakdown of every technology you detect — including the category, version if available, and how confident you are in each hit.","exampleUseCases":[{"title":"Competitor tech stack research","prompt":"What technologies is shopify.com running? I want to know the web server, frontend frameworks, analytics tools, and any CDN — with confidence scores for each."},{"title":"LiteSpeed adoption verification","prompt":"Check whether nginx.com is actually using LiteSpeed as its web server, and give me the evidence and confidence level for that detection."},{"title":"Incremental stack monitoring for changes","prompt":"I last scanned acme.com on 2024-11-01 and found Apache, jQuery 3.6, and Google Analytics. Re-scan it now and tell me if anything in the stack has changed."}],"resultDescription":"Returns a structured list of detected technologies for the given domain, each with a name, category, version (if detectable), confidence score, and supporting evidence. Optionally compares against a previously observed snapshot to highlight changes.","failureModes":["Unresolvable or unreachable domain returns an error or empty technology list","Payment failure via x402 results in a 402 response and no data returned","Malformed URL input rejected with a validation error","Sites with heavy bot protection may yield incomplete or low-confidence results","Unknown or novel technologies may be missed or miscategorized"],"whenToPreferThis":"Choose this endpoint when you need pay-as-you-go technology detection with no API key or signup required, especially for one-off or infrequent scans billed in USDC via x402. It is well-suited for agents that need structured, confidence-scored technology fingerprinting on arbitrary domains, and supports incremental scanning by accepting a previous snapshot for change detection. Prefer alternatives if you need bulk scanning of thousands of domains at once or if you require real-time crawling with deep JavaScript rendering.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:03.527Z","isFirstParty":false,"canonicalSlug":"tech-detect-web-technology-stack-detection-8e7553b5"}