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Tech Detect — Technology Stack Detection via x402
x402
Tech Detect — Technology Stack Detection via x402 is a paid API for AI agents from stack.halowerk.com, paid per call via x402, $0.004/call, status unknown (last checked 2026-10-09).
Detects the technology stack used by a given domain, returning identified technologies with confidence scores and evidence, billed per-call in USDC via x402.
Price / call$0.004
Success—
StatusUnknown
How this service works
Domain in, technology stack out. Confidence and evidence for every hit. Pay per call in USDC over x402. No signup, no API key.
Output
A structured list of detected technologies for the given domain, each entry including the technology name, category (e.g. CMS, CDN, analytics, framework), version if detectable, a confidence score, and supporting evidence. The previous technologies input enables delta/change detection.
Example use cases
Competitive tech stack research
“Can you scan shopify.com and tell me every technology in their stack — frameworks, databases, CDN, analytics, anything you can detect — with confidence scores?”
Monitoring tool verification
“I need to confirm whether hubspot.com is actually using New Relic for monitoring. Can you detect their tech stack and show me the evidence for any monitoring tools you find?”
Incremental stack change detection
“Last week I saw that acme.com was using React and Cloudflare. Can you re-scan them now and flag anything that's changed or newly detected since then? Here's what was observed on 2024-06-01: React (frontend framework, v18.2), Cloudflare (CDN, null).”
Technical details
Endpoint
POSThttps://stack.halowerk.com/stack/articles/newrelic?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need pay-as-you-go technology stack detection with no API key or subscription required, especially in agentic pipelines where cost per call matters. It is particularly well-suited for one-off lookups, competitive intelligence tasks, or monitoring workflows where you pass previously observed technologies to detect drift. Prefer this over traditional tech-detection SaaS when you want micropayment-based access via x402 and structured confidence+evidence output.
Side effects
- Domain is unreachable or returns non-200 responses — detection may return empty or partial results
- Domain uses heavy obfuscation or bot detection that blocks scanning — lower confidence or missed technologies
- Invalid URL format in the url field — likely returns a validation error
- Rate limiting or payment failure over x402 — call not processed
- Previously observed technology list malformed — previous field validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| url | string | |
| previous | object |
Tags
x402
Reviews
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Zero review prompt (fires after every successful call)
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