How-to / C#

Detect a website's tech stack in C#

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

var api = "https://siteintel.duckdns.org/v1/analyze?url=" + Uri.EscapeDataString("https://stripe.com");
var http = new HttpClient();
http.DefaultRequestHeaders.Add("X-RapidAPI-Key", "YOUR_KEY");
Console.WriteLine(await http.GetStringAsync(api));

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 C#?

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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