Know what any website is built with.

A single API call returns the full tech stack. Frameworks, CMS, CDNs, analytics, payment processors — all of it.

DetectZeStack mascot

What you get

3,500+

Technologies detected

Wappalyzer fingerprinting plus DNS CNAME detection, TLS certificate analysis, and custom header matching.

10

URLs per batch

Analyze competitors in one request. Concurrent processing, ordered results, single rate-limit charge.

24h

Result cache

Same domain, instant response. Cached results don't count against your quota. Cache headers included.

Δ

Compare stacks

Side-by-side tech comparison of 2–10 sites. See shared and unique technologies instantly.

📈

History tracking

Track technology changes over time. Every analysis creates a snapshot you can query later.

🔔

Webhook alerts

Get notified when a domain is analyzed. HMAC-signed payloads, automatic retries, HTTPS only.

Pricing

Plan Requests / mo Price Per request
Free 100 $0 $0
Basic 5,000 $9.99 $0.002
Pro Popular 25,000 $29.99 $0.0012
Business 100,000 $99.99 $0.001

Try the API

terminal
curl "https://detectzestack.p.rapidapi.com/analyze?url=github.com" \
  -H "X-RapidAPI-Key: YOUR_KEY" \
  -H "X-RapidAPI-Host: detectzestack.p.rapidapi.com"
{
  "domain": "github.com",
  "technologies": [
    {
      "name": "Ruby on Rails",
      "categories": ["Web frameworks"],
      "confidence": 100,
      "description": "Ruby on Rails is a web-app framework...",
      "website": "https://rubyonrails.org"
    },
    {
      "name": "Amazon CloudFront",
      "categories": ["CDN"],
      "confidence": 80
    },
    // ...10 more
  ],
  "cached": false,
  "response_ms": 1247
}

How we compare

Feature DetectZeStack BuiltWith API Wappalyzer API
Free tier 100 req/mo No 50 req/mo
Batch analysis Up to 10 URLs No No
Stack comparison Built-in No No
DNS fingerprinting 29 signatures Yes No
TLS cert detection 8 issuers No No
Webhook alerts HMAC-signed No No
Result caching 24h, free No 30 days
Starting price $0 $295/mo $0

Get started in 60 seconds

1

Get your API key

Sign up on RapidAPI — free tier includes 100 requests per month.

2

Make your first call

Pass any URL and get back the full tech stack with confidence scores and metadata.

3

Build something cool

Competitive analysis, lead enrichment, security auditing — the data is yours.