{"uid":"cap_7QzR3SAcsIoiiqXmfzjqr","slug":"tech-detect-technology-stack-detection-for-a-domain-42ae9b1e","name":"Tech Detect — Technology Stack Detection for a Domain","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/sentry?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_7NF7jAki0UGq56lvQMLCx","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, libraries, services) used by a given domain URL, returning confidence scores and evidence for each detected technology, with optional delta comparison against a previously observed stack.","exampleAgentPrompt":"What technologies is sentry.io running? Scan it for its full tech stack and give me confidence scores for each detected technology.","exampleUseCases":[{"title":"Competitive tech stack audit","prompt":"What technologies is our competitor linear.app using? I want to know their frameworks, analytics tools, CDN, and any error-monitoring services — with confidence scores for each."},{"title":"Monitor stack changes over time","prompt":"Last week you found that stripe.com was using React and Cloudflare. Can you scan it again and tell me if anything in their tech stack has changed since then?"},{"title":"Security and vendor discovery","prompt":"I need to know what third-party services and tracking tools are loaded on shopify.com — things like error trackers, A/B testing platforms, or payment processors."}],"resultDescription":"Returns a list of detected technologies for the given domain, each with its name, category (e.g. CDN, JavaScript framework, CMS), version where detectable, a confidence score, and supporting evidence. Optionally highlights changes relative to a previously observed snapshot.","failureModes":["Domain is unreachable or returns non-200 — stack detection may return empty or partial results","Private/intranet domains not accessible from the scanner will yield no results","Obfuscated or minified assets may reduce detection confidence","Rate of technology coverage varies by site complexity — some stacks are inherently harder to fingerprint","Malformed URL input returns a validation error"],"whenToPreferThis":"Use this endpoint when you need structured, evidence-backed technology fingerprinting of a public-facing domain without managing API keys or subscriptions. Ideal for one-off competitive audits, automated stack monitoring pipelines, or security research where pay-per-call USDC billing over x402 is preferred over monthly SaaS plans. The optional 'previous' snapshot parameter makes it especially useful for change-detection workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:40:51.299Z","isFirstParty":false,"canonicalSlug":"tech-detect-technology-stack-detection-for-a-domain-42ae9b1e"}