DetectZeStack

REST API to detect the full technology stack of any website. Combines Wappalyzer fingerprinting, DNS CNAME analysis, TLS certificate inspection, and HTTP header matching in a single request. Built for developers who need tech stack data programmatically — lead enrichment, competitive analysis, security audits, market research. - Batch: analyze 10 URLs at once - Compare: shared vs unique tech across sites - CPE identifiers for vulnerability mapping - 24h cache (free, <5ms response) - Webhooks with HMAC signatures Go + SQLite + Fly.io. Free tier: 100 req/month.