{"uid":"cap_0cPN-PwoDjIUmtS3vC2SW","slug":"tech-detect-web-technology-stack-detection-d1ac6d32","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/jquery-ui?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_h4wiID97aYKlEBrtd66vG","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 given URL/domain and returns a full technology stack fingerprint with confidence scores and evidence for each detected technology.","exampleAgentPrompt":"Can you scan stripe.com and tell me what technologies it's running — frameworks, CDN, analytics, everything — with confidence scores for each detection?","exampleUseCases":[{"title":"Competitor tech stack audit","prompt":"I want to know exactly what technology stack shopify.com is running — frontend frameworks, backend signals, analytics, payment tools, anything you can detect, with how confident you are for each one."},{"title":"Monitor site for stack changes","prompt":"Scan notion.so for its current tech stack and compare it against what we saw last month — I'll give you the previous snapshot: observed on 2024-06-01, they were running React 18, Next.js 14, and Segment. Tell me what's changed."},{"title":"Pre-sales technology qualification","prompt":"Before our sales call, can you quickly check what CMS and marketing tools hubspot.com is using? I need to know if they're on WordPress or something custom, and what analytics or A/B testing tools they have."}],"resultDescription":"Returns a structured list of detected technologies for the given domain, each with its name, category (e.g. JavaScript framework, CDN, CMS), version if detectable, a confidence score, and supporting evidence. Optionally highlights changes relative to a previously observed snapshot.","failureModes":["Domain is unreachable or returns non-200 — detection may be incomplete or empty","Private/intranet URLs cannot be scanned — returns no results","JavaScript-heavy SPAs may not expose all server-side stack signals","Some technologies obfuscate version numbers — version field may be null","Rate-limiting or bot-protection on target site may reduce signal quality","Payment failure over x402 — call not processed"],"whenToPreferThis":"Choose this endpoint when you need a pay-as-you-go, no-signup technology fingerprinting call paid in USDC via x402, especially useful for ad-hoc agent workflows, competitive research pipelines, or change-detection loops where you pass a previous snapshot to identify drift. Prefer over subscription-based alternatives when call volume is low or unpredictable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:40:53.207Z","isFirstParty":false,"canonicalSlug":"tech-detect-web-technology-stack-detection-8e7553b5"}