{"uid":"cap_qqchDNoRr0KdQxZF0Mscx","slug":"tech-detect-technology-stack-detection-via-x402-35a93e11","name":"Tech Detect — Technology Stack Detection via x402","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/react?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_CtNcjHFdUYB_aVvFsV3n8","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 (frameworks, libraries, CMS, analytics, etc.) used by a given domain, returning confidence scores and evidence for each detected technology, paid per-call in USDC via x402.","exampleAgentPrompt":"Can you scan shopify.com and tell me what technologies they're running — frameworks, CMS, analytics tools — with confidence scores for each hit?","exampleUseCases":[{"title":"Competitor tech stack reconnaissance","prompt":"I want to know what frontend framework and analytics tools my competitor acme.com is using — scan their site and give me everything with confidence levels."},{"title":"Lead enrichment for sales outreach","prompt":"For the lead domain bigcorp.io, figure out what ecommerce platform and CMS they're running so I can tailor our sales pitch accordingly."},{"title":"Monitoring stack changes over time","prompt":"I previously scanned stripe.com on 2024-11-01 and found React, Next.js, and Segment — can you re-scan it now and tell me if anything has changed in their tech stack?"}],"resultDescription":"Returns a list of detected technologies, each with a name, category (e.g. JavaScript framework, CMS, CDN, analytics), version (if detectable), confidence score, and supporting evidence. Covers frontend frameworks, backend technologies, CMS platforms, analytics, advertising tools, CDNs, and more.","failureModes":["URL is unreachable or returns non-200 response — detection may be partial or empty","Private or bot-protected sites may block scanning, reducing coverage","Low-confidence hits returned for heavily obfuscated or minified stacks","Malformed URL input causes request rejection","Newly released or niche technologies may not be in the signature set"],"whenToPreferThis":"Choose this endpoint when you need per-call, no-signup technology fingerprinting with confidence scores and evidence, especially in automated pipelines where paying micro-amounts per scan (via x402/USDC) is preferable to managing API keys or subscriptions. It is well-suited for lead enrichment, competitive intelligence, or monitoring tech stack drift on a set of domains. Prefer alternatives if you need bulk/batch scanning at scale or require deep JavaScript rendering for SPA detection.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:39:01.548Z","isFirstParty":false,"canonicalSlug":"tech-detect-technology-stack-detection-via-x402-35a93e11"}