What's their stack?
Paste a URL or the HTML source of a page, and we'll detect which SaaS tools the site runs — payments, analytics, support, scheduling, auth, and more.
We fetch through a public CORS proxy. If it fails (some sites block proxies), use Paste HTML instead.
Detected SaaS · 0
How this works. We look for 60+ telltale signatures in the page HTML — script tags, CDN domains, asset paths — and match them against the saas.fyi catalog. Detection is fuzzy: a missing tool doesn't mean it isn't there (some SaaS leave no client-side fingerprint).