Since our first launch, DetectZeStack has grown from a tech stack detection API into a full website intelligence suite with 7 tools in 1 API: 1. Tech Stack Detection (7,200+ technologies) 2. Batch Analysis (up to 10 URLs) 3. Tech Stack Comparison 4. SSL/TLS Certificate Inspection 5. DNS Intelligence with provider enrichment 6. Security Header Grading (A+ to F) 7. Technology Change Monitoring with webhooks Free tier: 100 req/mo. Paid starts at $9/mo. Chrome extension included.

REST API that identifies what technologies any website uses. Pass a URL, get back the full stack — frameworks, CMS, CDNs, analytics, and more. 4 detection methods in a single call: Wappalyzer fingerprinting (3,500+ signatures), DNS CNAME analysis, TLS certificate inspection, and HTTP header matching. Batch analysis (10 URLs), stack comparison, CPE identifiers for vulnerability mapping, and 24h smart cache. Free tier: 100 req/month.