{"uid":"cap_l89G_XiNC_5wRj1FljHvy","slug":"tech-detect-pay-per-call-technology-detection-377fefd7","name":"Tech Detect — Pay-Per-Call Technology Detection","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/angular?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_vNaIXneJfxnX07k0lSNqD","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, CMS, etc.) used by a given domain URL, returning confidence scores and evidence for each identified technology.","exampleAgentPrompt":"Can you scan stripe.com and tell me what technology stack it's running — frameworks, CMS, libraries — with confidence scores and evidence for each hit?","exampleUseCases":[{"title":"Competitor tech stack research","prompt":"I'm doing competitive research — can you scan shopify.com and tell me every technology it uses, what category each falls under, and how confident the detection is?"},{"title":"Monitor site for tech changes","prompt":"We last saw notion.so using these technologies as of 2024-06-01: [{\"name\":\"React\",\"category\":\"JavaScript Framework\",\"version\":\"18\"}]. Can you re-scan notion.so now and tell me if anything has changed?"},{"title":"Verify Angular usage on a client site","prompt":"My client claims their site myapp.example.com is built with Angular — can you scan it and confirm whether Angular is actually detected, with evidence?"}],"resultDescription":"A structured list of technologies detected on the target domain, each entry including the technology name, category (e.g. JavaScript framework, CDN, CMS), version if detectable, a confidence score, and supporting evidence for the detection.","failureModes":["URL is unreachable or returns non-200 — detection may fail or return empty results","Domain blocks automated scanning — partial or no results returned","Technology is obfuscated or minified beyond fingerprinting — low confidence or missed detections","Invalid or malformed URL input — request rejected","Payment failure via x402 — call not processed"],"whenToPreferThis":"Choose this endpoint when you need fast, pay-as-you-go technology stack detection without API key signup overhead, especially when integrating into automated pipelines or agent workflows that require USDC-based micropayments via x402. Ideal for one-off scans, competitive research, or change-detection workflows where you pass previous observations to diff against.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:31:11.168Z","isFirstParty":false,"canonicalSlug":"tech-detect-pay-per-call-technology-detection-b6a41a8d"}