{"uid":"cap_Fs2tg9nrzmnekZDHZZ510","slug":"tech-detect-technology-stack-detection-via-x402-178111b7","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/turnstile?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_VWz2V6m3YnMFCenZYq3qR","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 over x402.","exampleAgentPrompt":"Can you detect what technologies are powering stripe.com — I want to know the full stack including frameworks, CDN, analytics tools, and any version info you can find?","exampleUseCases":[{"title":"Competitor tech stack audit","prompt":"I want to know exactly what technologies Shopify uses on their main site — frameworks, databases, CDN, analytics, everything you can detect. Include any version numbers and confidence levels."},{"title":"Security research tech fingerprinting","prompt":"Scan github.com for its technology stack. I'm particularly interested in what server software, load balancers, and authentication libraries they're running, with evidence for each detection."},{"title":"Sales lead tech qualification","prompt":"Before I reach out to this prospect, can you tell me what CMS and marketing tools their site hubspot.com is running? I want to know if they're already using Salesforce or any competing tools."}],"resultDescription":"Returns a structured list of detected technologies for the given domain, each entry including the technology name, category (e.g. CMS, CDN, JavaScript framework, analytics), version if detectable, a confidence score, and supporting evidence. The optional 'previous' field allows incremental scanning so only new or changed technologies are highlighted.","failureModes":["Unresolvable or unreachable domain returns an empty technology list or error","Heavily obfuscated or server-rendered sites may yield low confidence or missed detections","Invalid URL format triggers a schema validation error","Rate limiting or payment failure over x402 results in a 402 Payment Required response","Some technologies may be detected with low confidence if evidence is ambiguous"],"whenToPreferThis":"Choose this endpoint when you need pay-as-you-go technology detection with no signup or API key, especially for sporadic or agent-driven lookups where a subscription would be wasteful. The x402 USDC micropayment model makes it ideal for autonomous agent pipelines. The optional 'previous' snapshot field enables efficient incremental monitoring by comparing against a prior scan. Prefer this over Wappalyzer or BuiltWith APIs when you need crypto-native billing and confidence/evidence metadata per technology hit.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:36.308Z","isFirstParty":false,"canonicalSlug":"tech-detect-technology-stack-detection-via-x402-35a93e11"}