{"uid":"cap_bFauXxmAnqDLmnLFI74px","slug":"tech-detect-technology-stack-detection-via-x402-e9d8a648","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/friendlycaptcha?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_NUAeLvmx_nJMVUqmqOg_H","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, CMSes, analytics tools, etc.) used by a given domain, returning confidence scores and evidence for each detected technology, billed per call in USDC over x402.","exampleAgentPrompt":"What's the full technology stack running on stripe.com — give me the frameworks, CMS, analytics tools, and anything else you can detect, with confidence scores for each hit.","exampleUseCases":[{"title":"Competitor tech stack research","prompt":"I'm doing competitive analysis on Shopify — can you detect everything in their technology stack? I want to know what frontend frameworks, analytics, CDN, and payment tools they're using."},{"title":"Sales lead enrichment for SaaS targeting","prompt":"We're targeting companies that use HubSpot CMS. Can you scan salesforce.com and tell me whether they're running HubSpot, and what other marketing tools their site has?"},{"title":"Security audit tech fingerprinting","prompt":"I need to fingerprint the technology stack on acmecorp.com for a security review — tell me every library, framework, server, and third-party tool you can detect, with confidence and evidence for each one."}],"resultDescription":"A structured list of detected technologies for the scanned domain, each entry including the technology name, category (e.g. 'CMS', 'JavaScript Framework', 'Analytics'), version if detectable, a confidence score, and supporting evidence. The response covers the full observable stack from frontend frameworks to CDN providers to analytics tags.","failureModes":["Domain is unreachable or returns non-200 — detection may be partial or empty","Private/intranet domains that are not publicly accessible cannot be scanned","Heavily obfuscated or minified sites may yield low-confidence or missing detections","Rate limiting or bot-blocking on the target domain may prevent full evidence gathering","Invalid URL format in the request body will return a validation error","Insufficient USDC balance or x402 payment failure will result in a 402 rejection before scanning occurs"],"whenToPreferThis":"Prefer this endpoint when you need no-signup, pay-per-call technology detection billed in USDC over x402, especially in automated agent pipelines where API key management is undesirable. Useful when you need confidence scores and evidence alongside raw technology names, or when scanning a moderate volume of domains without committing to a subscription. If you need bulk scanning of thousands of domains per day, a subscription-based alternative may be more cost-efficient.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:37.812Z","isFirstParty":false,"canonicalSlug":"tech-detect-technology-stack-detection-via-x402-35a93e11"}