{"uid":"cap_JGQWNYEwSdpYw4FuY0e-G","slug":"tech-detect-technology-stack-detection-via-x402-f1a56002","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/universal-analytics?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_GRx17yIcikh0c12kQzC9R","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 identified technologies with confidence scores and evidence, paid per-call in USDC over x402.","exampleAgentPrompt":"Can you scan https://www.shopify.com and tell me what technologies they're running — frameworks, analytics, CDNs, anything you can detect with confidence scores?","exampleUseCases":[{"title":"Competitive tech stack research","prompt":"What technology stack is stripe.com running? I want to know their frontend framework, analytics tools, and any CDN they're using, with confidence scores for each."},{"title":"Sales lead enrichment","prompt":"Before my call with this prospect, can you detect what technologies acmecorp.com is using so I know which platforms they're already invested in?"},{"title":"Incremental re-scan for stack changes","prompt":"I last scanned example.com on 2024-11-01 and found React, Nginx, and Google Analytics — can you re-scan it now and tell me if anything has changed or been added?"}],"resultDescription":"Returns a list of detected technologies for the given domain, each with a name, category (e.g. CMS, analytics, CDN, framework), version if detectable, a confidence score, and supporting evidence for the detection hit.","failureModes":["Invalid or unreachable URL — endpoint cannot fetch or fingerprint the domain","Payment failure over x402 — USDC transaction not completed, call rejected","Domain returns no detectable signals — empty or minimal technology list returned","Malformed input schema — missing or oversized URL field causes rejection","Rate or quota limits on the underlying scanning infrastructure"],"whenToPreferThis":"Choose this endpoint when you need per-call, no-signup technology fingerprinting with structured confidence and evidence output, paid anonymously in USDC. It is ideal for one-off lookups, agent workflows that enrich CRM leads, or competitive intelligence pipelines that don't warrant a subscription. The optional `previous` field enables incremental change detection, making it suitable for monitoring workflows as well.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:40:43.817Z","isFirstParty":false,"canonicalSlug":"tech-detect-technology-stack-detection-via-x402-35a93e11"}