{"uid":"cap_4Y1fULabOvTMALpGaBLbH","slug":"tech-detect-technology-stack-detection-via-x402-913415d8","name":"Tech Detect — Technology Stack Detection via x402","description":"One HTTP request per host, matched against an in-house signature set. Every hit carries a confidence value from 0 to 100 and the evidence it rests on: response header, asset path, cookie name, meta generator, DNS or ASN record. Results are cached for 24 hours per host, so a repeat lookup of the same domain answers from cache.","url":"https://stack.netzhandwerker.de/stack","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","format":"uri","description":"Absolute http or https URL. Only the host matters for the cache; a path is followed but never probed separately."},"render":{"type":"boolean","default":false,"description":"Render the page in a headless browser before matching. Off by default: plain delivery is faster, cheaper on the origin and enough for almost every site. Turn it on for pages that build their markup entirely in JavaScript."},"refresh":{"type":"boolean","default":false,"description":"Bypass the 24 hour cache and fetch the origin again. Same price."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_qRq5shMhDCKTTmK8YE6Ie","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","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 (frameworks, CMSes, analytics, CDNs, etc.) used by a given website URL, returning confidence scores and evidence for each detected technology","exampleAgentPrompt":"What's the technology stack behind stripe.com? I want to know the frameworks, CMS, CDN, and any analytics tools they use — with confidence scores for each.","exampleUseCases":[{"title":"Competitive tech stack research","prompt":"What technologies is Shopify.com running under the hood? I want to see all detected frameworks, ecommerce platforms, CDN, and analytics tools with their confidence levels."},{"title":"Security audit pre-screening","prompt":"Before our pentest engagement, scan acmecorp.com and tell me every technology you detect on it — frameworks, server software, CMS, JavaScript libraries — along with the evidence for each hit."},{"title":"JavaScript-heavy SPA detection","prompt":"Can you detect the tech stack on app.linear.app? It's a heavily JavaScript-rendered single-page app, so make sure you render the page in a headless browser before scanning."}],"resultDescription":"Returns a structured object listing all detected technologies on the target domain, each with a name, category (e.g. CMS, CDN, JavaScript framework, analytics), a confidence score, and the evidence (HTTP headers, HTML patterns, script URLs, cookies, etc.) that triggered the match. Results are cached for 24 hours by default unless refresh is requested.","failureModes":["Invalid or unreachable URL returns an error — only absolute http/https URLs accepted","If the target site blocks scrapers or returns non-standard responses, detection coverage may be reduced","JavaScript-rendered sites may show incomplete results if render flag is not set to true","Cache hit within 24 hours returns stale data unless refresh:true is passed","Payment failure over x402 protocol will block the call before any detection occurs","Very new or highly custom tech stacks may return low-confidence or zero detections"],"whenToPreferThis":"Choose this endpoint when you need fast, pay-per-call technology fingerprinting without any signup or API key — ideal for one-off competitive research, security pre-screening, or enriching domain records. It is especially useful for agents that need programmatic tech stack data on demand. Prefer setting render:true for modern SPAs built entirely in JavaScript, and refresh:true when you need live data rather than a cached result.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:37:40.464Z","isFirstParty":false}