{"uid":"cap_KqL_rzuTs3e5NanjIy1Gp","slug":"tech-detect-technology-stack-detection-via-x402-c8156f9d","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/rankmath?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_lvT8UrXjnkVDwsbPdmJki","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 each identified technology with confidence scores and evidence, paid per-call in USDC via x402.","exampleAgentPrompt":"Can you detect the full technology stack for rankmath.com and tell me what CMS, plugins, and frameworks are running on it, with confidence for each hit?","exampleUseCases":[{"title":"Competitor tech stack audit","prompt":"I want to know exactly what technologies stack.halowerk.com's articles section is running — CMS, frameworks, analytics tools, CDN, all of it, with confidence levels for each one."},{"title":"SEO plugin detection for leads","prompt":"I'm prospecting sites that use RankMath for SEO — can you check rankmath.com and tell me if it's actually using RankMath itself, and what else is in its stack?"},{"title":"Monitoring stack changes over time","prompt":"Check the tech stack on rankmath.com again and compare it against what we saw last week — has anything changed, like a new CDN, framework version, or plugin?"}],"resultDescription":"Returns a list of detected technologies, each with a name, category (e.g. CMS, CDN, JavaScript framework), version if detectable, a confidence score, and supporting evidence for how the technology was identified on the target domain.","failureModes":["Invalid or unreachable URL returns an error with no technology results","Payment failure via x402 results in a 402 response and no data returned","Domain with heavy bot protection may yield partial or empty results","Malformed input schema (e.g. missing required fields in 'previous') returns a validation error","Rate limiting or upstream probe failures may return incomplete stack data"],"whenToPreferThis":"Choose this endpoint when you need real-time, per-domain technology fingerprinting with confidence scoring and evidence — especially useful for competitive intelligence, lead scoring by tech stack, SEO tooling audits, or change-detection workflows. It requires no API key or signup and bills per call in USDC via x402, making it ideal for agent-driven, on-demand lookups without subscription overhead. Prefer it over bulk crawlers when you need structured, evidence-backed results for individual domains.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:22.425Z","isFirstParty":false,"canonicalSlug":"tech-detect-technology-stack-detection-via-x402-35a93e11"}