{"uid":"cap_T6NfWtzQiOuoXoJEp6tpf","slug":"tech-detect-pay-per-call-technology-detection-b6a41a8d","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/braintree?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_R4GCBO_VXXQva2C8dAX8v","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 used by a given domain URL, returning confidence scores and evidence for each identified technology","exampleAgentPrompt":"What technologies is braintreepayments.com built with? Scan it and give me the full stack — frameworks, CDN, analytics, payment processors — with confidence scores for each hit.","exampleUseCases":[{"title":"Competitive technology stack audit","prompt":"I'm researching our main competitor at shopify.com — can you detect their full technology stack and tell me what frameworks, infrastructure, and marketing tools they're running, with confidence scores?"},{"title":"Sales prospecting tech qualification","prompt":"Before our outreach call, can you scan acme-corp.com and tell me what CMS, e-commerce platform, and analytics tools they're using so we can tailor our pitch?"},{"title":"Monitoring site stack for changes","prompt":"I want to check stripe.com's current tech stack against what we detected last month — we saw React, Node.js, and Fastly back then. Has anything changed?"}],"resultDescription":"Returns a list of detected technologies for the given domain, each with a name, category (e.g. CMS, CDN, analytics, framework), version if detectable, a confidence score, and supporting evidence for the detection.","failureModes":["URL is unreachable or returns non-200 — no technologies detected","Domain blocks crawling or fingerprinting — partial or empty results","URL malformed or exceeds 2048 characters — validation error","Payment over x402 fails — request not processed","Rare or obfuscated tech stacks may yield low-confidence or missed detections"],"whenToPreferThis":"Choose this endpoint when you need per-call, no-signup technology detection paid with USDC over x402, especially in agent workflows where API key management is impractical. Ideal for one-off competitive research, CRM enrichment, or programmatic lead qualification without committing to a subscription. The optional 'previous' parameter makes it useful for change-detection workflows comparing current results against a prior scan.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:40:47.387Z","isFirstParty":false,"canonicalSlug":"tech-detect-pay-per-call-technology-detection-b6a41a8d"}