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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 of a given domain URL, 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
Returns a list of detected technologies for the given domain, each with a name, category (e.g. CMS, CDN, analytics), version if detectable, a confidence score, and supporting evidence for the detection. Optionally compares against a previously observed snapshot to highlight changes.
Example use cases
Competitive tech stack research
“What technology stack is shopify.com running? I want to know their frontend framework, CMS, CDN, and analytics tools if possible.”
Sales prospecting tech enrichment
“Before my sales call, can you tell me what technologies acmecorp.com is using — especially their CRM, marketing automation, and e-commerce platform?”
Monitoring stack changes over time
“Last month you told me that example.com was using WordPress 6.1 and Cloudflare. Can you re-scan it now and tell me if anything has changed since then?”
Technical details
Endpoint
POSThttps://stack.halowerk.com/stack/articles/shore?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need pay-as-you-go technology detection with no signup or API key, billed transparently per call in USDC. Prefer it over subscription-based tech detection services (like BuiltWith or Wappalyzer API) when you need occasional, ad-hoc lookups or want to integrate detection into an autonomous agent workflow using x402 micropayments. The optional `previous` field makes it especially useful for change-monitoring pipelines.
Side effects
- URL is unreachable or returns non-200 — detection may be incomplete or empty
- Domain blocks fingerprinting techniques — low or zero technology hits returned
- Invalid URL format — request rejected with validation error
- Rate limiting or network timeouts during page fetch — partial results possible
- Previously-observed snapshot malformed or missing required fields — ignored or error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| url | string | |
| previous | object |
Tags
x402
Reviews
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