{"uid":"cap_amSJvwun-d8Il6cTeFJE0","slug":"tech-detect-pay-per-call-technology-stack-detection-eda41bd0","name":"Tech Detect — Pay-Per-Call Technology Stack 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/php?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_j8DzLFSoO2zDyOF4D9kyY","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 URL, returning identified technologies with confidence scores and evidence, billed per call in USDC via x402.","exampleAgentPrompt":"Scan https://example.com and tell me what technologies it's running — frameworks, CMS, server software, CDN — with confidence scores for each hit.","exampleUseCases":[{"title":"Competitive tech stack research","prompt":"I want to know what technologies my competitor at shopify.com is using — CMS, frontend frameworks, analytics tools, anything you can detect. Give me the full stack with confidence scores."},{"title":"Security audit pre-check","prompt":"Before I start a penetration test on https://targetapp.io, scan it and list every technology you detect — especially server software, backend language, and any known libraries — so I know what I'm dealing with."},{"title":"Monitoring stack changes over time","prompt":"Last week you detected that blog.acmecorp.com was running WordPress 6.1 and Apache. Scan it again now and tell me if anything in the tech stack has changed since then."}],"resultDescription":"Returns a structured list of detected technologies for the given domain, each with a name, category (e.g. CMS, JavaScript framework, web server), version (if detectable), confidence score, and supporting evidence. Results reflect the live or near-live state of the target domain at time of call.","failureModes":["Domain unreachable or returns non-200 status — detection may be incomplete or empty","Domain uses heavy bot protection (Cloudflare, etc.) — fingerprinting may be blocked or return partial results","Invalid or malformed URL input — request rejected","Payment failure via x402 — call not executed","Low-confidence detections — some technologies may be listed with low confidence if evidence is sparse"],"whenToPreferThis":"Choose this endpoint when you need no-signup, pay-as-you-go technology fingerprinting for arbitrary domains without committing to a subscription. It is particularly useful for one-off competitive intelligence, pre-engagement security reconnaissance, or agent workflows that need to enrich domain metadata on demand. The optional `previous` field makes it well-suited for change-detection workflows where you want to diff the current stack against a known baseline.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:19.454Z","isFirstParty":false,"canonicalSlug":"tech-detect-pay-per-call-technology-stack-detection-60639ddd"}