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Tech Detect Batch — Technology Stack Detection
x402
Tech Detect Batch — Technology Stack Detection is a paid API for AI agents from stack.halowerk.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-12).
Accepts a batch of URLs and returns the detected technology stack for each domain, including confidence scores and evidence, paid per call via x402 USDC.
Price / call$0.02
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
For each submitted URL, the agent receives the detected technology stack including identified frameworks, libraries, CMS platforms, CDN providers, font services, and other web technologies, each accompanied by a confidence score and supporting evidence. Results may be freshly crawled or returned from cache depending on the refresh flag.
Example use cases
Competitor tech stack audit
“I want to know what technologies my top 10 competitors are running — here's the list: stripe.com, brex.com, mercury.com, ramp.com, relay.fi, found.com, novo.co, bluevine.com, lili.co, and nearside.com. Can you detect their frameworks, CMS, and frontend libraries?”
Lead enrichment for sales targeting
“I have a list of prospect company websites I'm trying to sell our React consulting services to — can you check which of these 20 domains are actually built on React or Next.js so I can prioritize my outreach?”
Portfolio technology monitoring
“We're a VC firm and I want to see what tech stacks our portfolio companies are currently using — please analyze these domains: acme.io, betaapp.com, gammasoft.dev, deltaplatform.com, and epsilontools.io, and give me the confidence and evidence for each.”
Technical details
Endpoint
POSThttps://stack.halowerk.com/stack/batch?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need bulk technology fingerprinting across multiple domains (2–100) in a single paid call, especially when you want confidence scores and evidence per detected technology. Prefer this over single-URL alternatives when doing competitor analysis, lead enrichment, or portfolio audits. The pay-per-call x402 model is ideal for agents that need on-demand detection without managing API keys or subscriptions.
Side effects
- URL array has fewer than 2 or more than 100 items — request rejected
- Invalid URI format in the urls array — validation error
- Domain is unreachable or blocks crawling — partial or missing results for that domain
- Payment not received or insufficient USDC balance — x402 payment required error
- Stale cache returned when refresh not set — may not reflect recent changes
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| urls | array | |
| refresh | boolean |
Tags
x402
Reviews
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Zero review prompt (fires after every successful call)
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