Tech Stack Detector API

Know what any website runs on. One API call. CMS, frameworks, analytics, CDN, hosting — detected instantly.

The Problem

Your SDR team spends hours manually checking what tech prospects use. BuiltWith charges $295/mo. Wappalyzer $250/mo. You just need a simple API call.

10x cheaper than BuiltWith

$19/mo vs $295/mo — same data, simple REST API, no bloated dashboard.

Sales IntelligenceCompetitive AnalysisLead EnrichmentMarket ResearchM&A Due DiligenceAgency Prospecting

Single URL Detection

Pass any URL, get back every technology detected — CMS, frameworks, analytics, CDN, hosting, and more.

Batch Detection

Analyze up to 5 URLs per request. Perfect for enriching lead lists in bulk.

Deep Analysis

Inspects HTTP headers, HTML meta tags, script sources, CSS frameworks, and DNS records.

MCP Ready

Works with Claude Code, Cursor, and any MCP-compatible AI tool out of the box.

Lightning Fast

Runs on Cloudflare Workers edge network. Sub-second responses worldwide.

Simple REST API

No SDK needed. Just curl or fetch. JSON in, JSON out.

Free

$0/mo
  • 5 lookups/day
  • Single URL detection
  • All tech categories
  • JSON response

Pro

$19/mo
  • Unlimited lookups
  • Batch detection (5 URLs)
  • Header analysis
  • Priority support
  • MCP integration
Get API Key — $19/mo Free Trial

Quick start — detect any site's stack in one line:

curl https://api.lazy-mac.com/tech-stack/api/v1/detect?url=stripe.com

Batch detection:

curl -X POST https://api.lazy-mac.com/tech-stack/api/v1/batch \ -H "Content-Type: application/json" \ -d '{"urls":["stripe.com","github.com","vercel.com"]}'

Built by lazymac · API Docs (JSON) · MCP Endpoint