{"uid":"cap__N2IevEl2tij4DH_2uoGj","slug":"tech-detect-technology-stack-detection-via-x402-294eec0d","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/brevo?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__7GkPLVIg88RotpZZs3mU","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, returning confidence scores and evidence for each identified technology, billed per call in USDC over x402.","exampleAgentPrompt":"Can you scan brevo.com and tell me every technology it's running — frameworks, analytics, CDN, marketing tools — with confidence scores for each hit?","exampleUseCases":[{"title":"Competitor tech stack profiling","prompt":"I want to know what technologies Brevo uses on their website — things like their CMS, email tools, analytics, hosting, and frontend frameworks. Give me the full stack with confidence for each one."},{"title":"Sales enrichment for outbound leads","prompt":"I have a list of prospect websites and I need to know which ones are using HubSpot or Salesforce. Start with acme.com — what marketing and CRM tools does their site expose?"},{"title":"Monitoring stack changes over time","prompt":"Last week we detected that example.com was using WordPress and Google Analytics. Can you re-scan it now and tell me if anything in their tech stack has changed?"}],"resultDescription":"Returns a list of detected technologies for the given domain, each with its name, category (e.g. CMS, analytics, CDN), version if detectable, a confidence score, and supporting evidence for the detection. May also indicate technologies no longer present compared to a previously observed state.","failureModes":["Domain is unreachable or returns non-200 status — detection may be incomplete or fail entirely","Private/internal domains with no public fingerprints return empty or low-confidence results","Heavily obfuscated or custom-built stacks may yield few or no matches","Invalid URL format returns a validation error","Payment failure over x402 protocol results in request not being processed"],"whenToPreferThis":"Choose this endpoint when you need pay-as-you-go technology detection without API key registration, especially when integrating into automated pipelines where per-call USDC billing via x402 is preferred. Ideal for competitive intelligence, sales enrichment, and security research workflows where occasional or high-volume scans of arbitrary domains are needed. The optional 'previous' parameter makes it particularly useful for change-detection workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:17.871Z","isFirstParty":false,"canonicalSlug":"tech-detect-technology-stack-detection-via-x402-35a93e11"}