{"uid":"cap_f6syOZR2kOSJmHWqPezvW","slug":"tech-detect-technology-stack-detection-via-x402-ceb232ea","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/adyen?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_Urrw13-lzSgavqfWFq29o","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, paid per-call in USDC over x402.","exampleAgentPrompt":"Can you detect what technology stack adyen.com is running — I want to know every framework, CMS, analytics tool, and payment provider you can find, with confidence scores for each?","exampleUseCases":[{"title":"Competitive tech stack research","prompt":"I'm researching our competitors — can you tell me what technologies stripe.com is built on, including their frontend frameworks, CDN, and any analytics or A/B testing tools you can detect?"},{"title":"Sales lead enrichment by tech stack","prompt":"I need to qualify a sales lead — can you check what ecommerce platform and payment provider shopify.com is using so I can tailor my outreach?"},{"title":"Ongoing stack change monitoring","prompt":"I tracked that shopify.com was using React and Cloudflare as of last month — can you re-check now and tell me if anything in their tech stack has changed since then?"}],"resultDescription":"A structured list of detected technologies for the target domain, each with a name, category (e.g. 'CMS', 'CDN', 'JavaScript Framework'), version where detectable, confidence score, and supporting evidence. May also include metadata about when the detection was performed.","failureModes":["Domain unreachable or returns non-2xx — detection may be incomplete or fail entirely","Payment failure over x402 — call is not executed if USDC payment is rejected","Domain blocks scraping or fingerprinting — reduced confidence or missing technologies","Invalid URL format — request rejected with validation error","Rate limiting or bot protection on target site — partial results returned"],"whenToPreferThis":"Choose this endpoint when you need per-call, no-signup technology stack detection paid in USDC via x402, especially for one-off lookups or agent workflows that don't justify a recurring SaaS subscription. It is particularly useful when you want confidence-scored, evidence-backed results and optionally want to diff against a previously observed snapshot to detect stack changes over time.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:34.860Z","isFirstParty":false,"canonicalSlug":"tech-detect-technology-stack-detection-via-x402-35a93e11"}