How-to / Java

Detect a website's tech stack in Java

One request to the SiteIntel API returns the detected technologies, metadata, and contact data for any URL. Here is a complete, working Java example — swap in your RapidAPI key.

String api = "https://siteintel.duckdns.org/v1/analyze?url=" + URLEncoder.encode("https://stripe.com", "UTF-8");
HttpRequest req = HttpRequest.newBuilder(URI.create(api)).header("X-RapidAPI-Key", "YOUR_KEY").build();
HttpResponse<String> res = HttpClient.newHttpClient().send(req, BodyHandlers.ofString());
System.out.println(res.body());

The response includes detected_tech, title, description, Open Graph fields, favicon, social_profiles, and emails.

FAQ

How do I detect a website's tech stack in Java?

Send a GET request to https://siteintel.duckdns.org/v1/analyze?url=<site> with your RapidAPI key in the X-RapidAPI-Key header. SiteIntel returns a detected_tech array (CMS, frameworks, analytics, payment providers, CDN) plus metadata, social profiles, and public emails.

What does the API return besides the tech stack?

Each /v1/analyze response also includes the site title and description, Open Graph metadata, favicon, social profiles, and any public emails published on the page — all in one JSON response.

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