{"uid":"cap_9U1HXTI_ru6JZpuAEjd11","slug":"tech-detect-pay-per-call-technology-stack-detection-694a7c5c","name":"Tech Detect — Pay-Per-Call Technology Stack 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/nuxt?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_DqcGDcyHy74YWn2HxYpx6","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 and returns identified technologies with confidence scores and evidence, billed per call in USDC via x402.","exampleAgentPrompt":"Can you detect what technologies are powering stripe.com — I want to know the frameworks, CMS, CDN, and any other stack components with confidence scores?","exampleUseCases":[{"title":"Competitor tech stack research","prompt":"What's the full technology stack behind shopify.com? I want to see every framework, library, and infrastructure tool you can detect, along with how confident you are in each finding."},{"title":"Security audit pre-assessment","prompt":"Scan tesla.com and tell me what frontend and backend technologies it's using — I'm doing a pre-assessment and need to know things like server software, JavaScript frameworks, and any analytics or tracking tools."},{"title":"CMS and platform identification","prompt":"Can you figure out what platform and CMS medium.com is built on? I'm trying to decide if we should replicate their architecture and need a detailed breakdown of their tech stack."}],"resultDescription":"Returns a structured list of detected technologies for the given domain, each with a name, category (e.g. 'JavaScript Framework', 'CDN', 'Analytics'), version if detectable, confidence score, and supporting evidence for the detection.","failureModes":["Unresolvable or non-existent domain returns an error or empty results","Private/internal sites with no public HTTP response cannot be scanned","Obfuscated or heavily CDN-proxied sites may yield low-confidence or incomplete results","Malformed URL input exceeding 2048 characters is rejected","Rate limits or payment failures via x402 result in request rejection"],"whenToPreferThis":"Choose this endpoint when you need per-call, no-signup technology fingerprinting of a public domain — especially useful for one-off lookups, agent workflows without pre-provisioned API keys, or when you need incremental detection using previously observed technologies to track stack changes over time. The x402 USDC micropayment model makes it ideal for low-volume or sporadic use where a subscription would be wasteful.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:40:57.023Z","isFirstParty":false,"canonicalSlug":"tech-detect-pay-per-call-technology-stack-detection-60639ddd"}