{"uid":"cap_YPNoK9ZH0wP3PdFHtZaLo","slug":"tech-detect-pay-per-call-technology-detection-9886616d","name":"Tech Detect — Pay-Per-Call Technology 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/python?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_0qmjAPSektdbv3Jyzb9Yc","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 URL, returning each identified technology with confidence scores and evidence, billed per call in USDC via x402.","exampleAgentPrompt":"Can you scan stripe.com and tell me what technologies, frameworks, and analytics tools their site is running — with confidence scores for each hit?","exampleUseCases":[{"title":"Competitive tech stack research","prompt":"What technologies is shopify.com running? I want to know their frontend framework, CDN, analytics tools, and any A/B testing platforms — with confidence levels for each."},{"title":"Sales lead enrichment pipeline","prompt":"Before I reach out to acmecorp.com, can you detect what tech stack they're using so I know whether to pitch our Salesforce integration or our HubSpot one?"},{"title":"Monitoring a site for stack changes","prompt":"Run a tech stack scan on example.com — I scanned it last month and found React 18.2 and Cloudflare, so flag anything that's changed since my previous observation on 2024-11-15."}],"resultDescription":"A structured list of detected technologies, each with a name, category (e.g. CMS, CDN, JavaScript framework), version if detectable, a confidence score, and supporting evidence. Covers frontend libraries, backend frameworks, analytics, hosting, CDNs, and more.","failureModes":["URL is unreachable or returns non-200 — detection may fail or return empty results","Private or heavily firewalled domains may yield fewer hits","URL field missing or malformed — request rejected","Rate limiting or payment failure via x402 — call not processed","Very recently launched or obscure sites may have low coverage"],"whenToPreferThis":"Choose this endpoint when you need per-call, no-signup technology fingerprinting without committing to a subscription. Ideal for agents doing one-off competitive research, lead enrichment, or change detection where you already have a prior scan snapshot to diff against. Prefer over scraping-based DIY solutions when you need structured, confidence-scored output rather than raw HTML parsing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:24.741Z","isFirstParty":false,"canonicalSlug":"tech-detect-pay-per-call-technology-detection-b6a41a8d"}