# Detect SaaS Tech Stacks | Wappalyzer & BuiltWith Alternative

**Use case:** 

Detect the frameworks, analytics, and infrastructure behind popular SaaS products — Slack, Notion, Figma, and more. A free Wappalyzer / BuiltWith alternative.

## Input

```json
{
  "urls": [
    "https://slack.com",
    "https://www.notion.so",
    "https://www.figma.com",
    "https://www.airtable.com",
    "https://www.canva.com"
  ],
  "categories_filter": [],
  "include_confidence": true,
  "include_versions": true,
  "timeout_seconds": 15,
  "startUrls": [],
  "domains": [],
  "websites": [],
  "targetUrls": [],
  "url": ""
}
```

## Output

```json
{
  "url": {
    "label": "Website",
    "format": "string"
  },
  "tech_count": {
    "label": "# Tech",
    "format": "integer"
  },
  "tech_names": {
    "label": "Detected Technologies",
    "format": "string"
  },
  "category_list": {
    "label": "Categories",
    "format": "string"
  },
  "status_code": {
    "label": "HTTP",
    "format": "integer"
  }
}
```

## About this Actor

This example demonstrates how to use [Tech Stack Detector — Wappalyzer & BuiltWith API Alternative](https://apify.com/nexgendata/wappalyzer-replacement) with a specific input configuration. Visit the [Actor detail page](https://apify.com/nexgendata/wappalyzer-replacement) to learn more, explore other use cases, and run it yourself.