{"uid":"cap_YexKhGobwvKmzPwG5lEmp","slug":"tech-detect-technology-stack-detection-via-x402-3d2167ff","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/doctolib?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_V3lhzV6dAbCnE7WpNCSLa","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, billed per call in USDC over x402","exampleAgentPrompt":"Can you detect the full technology stack for doctolib.com — tell me every framework, CMS, analytics tool, and server tech you can find, along with confidence scores for each?","exampleUseCases":[{"title":"Competitive tech stack audit","prompt":"I want to know exactly what technologies our competitor healthtech.io is using — frameworks, databases, analytics, CDN, everything. Can you scan their site and give me a breakdown with confidence levels?"},{"title":"Monitoring stack changes over time","prompt":"Last month you found that example-shop.com was using Magento 2.4 and Google Analytics. Can you re-scan them now and tell me if anything in their tech stack has changed?"},{"title":"Sales lead enrichment for tech targeting","prompt":"I have a list of SaaS company domains — can you start by scanning stripe.com and tell me what frontend framework and payment infrastructure they're running so I can tailor our pitch?"}],"resultDescription":"Returns a list of detected technologies for the given domain, each with its name, category (e.g. CMS, framework, analytics, CDN), version where detectable, confidence score, and supporting evidence. Covers frontend frameworks, backend languages, infrastructure, analytics, marketing tools, and more.","failureModes":["Domain unreachable or returns non-200 — may return empty or partial results","Private/intranet domains not accessible from the scanner — no results returned","Rate limiting or bot protection on target site may reduce detection accuracy","Malformed URL input triggers schema validation error","Unknown or novel technologies may not be detected or categorized"],"whenToPreferThis":"Prefer this endpoint when you need pay-as-you-go technology fingerprinting with no signup or API key, especially for one-off or low-volume lookups. It is particularly useful for agents that need structured, machine-readable tech stack data with confidence scores and the ability to diff against a previously observed stack. Choose this over scrapers or generic browsing when you want purpose-built technology detection with categorical output.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:37.810Z","isFirstParty":false,"canonicalSlug":"tech-detect-technology-stack-detection-via-x402-35a93e11"}