# SaaS Changelog and Release Notes Tracker

**Use case:** 

Automatically monitor changelogs for updates on Linear and Vercel. Receive alerts for new release notes and content changes.

## Input

```json
{
  "startUrls": [
    {
      "url": "https://linear.app/changelog"
    },
    {
      "url": "https://vercel.com/changelog"
    }
  ],
  "cssSelectors": [],
  "stripNumbers": false,
  "ignoreSelectors": [],
  "maxResults": 10,
  "proxyConfiguration": {
    "useApifyProxy": true
  }
}
```

## Output

```json
{
  "url": {
    "label": "URL",
    "format": "link"
  },
  "hasChanged": {
    "label": "Changed",
    "format": "boolean"
  },
  "changePercent": {
    "label": "Change %",
    "format": "number"
  },
  "addedLines": {
    "label": "Added lines",
    "format": "number"
  },
  "removedLines": {
    "label": "Removed lines",
    "format": "number"
  },
  "diffSummary": {
    "label": "Diff summary",
    "format": "text"
  },
  "checkedAt": {
    "label": "Checked at",
    "format": "text"
  }
}
```

## About this Actor

This example demonstrates how to use [Website Change Monitor - Page Diff & Alerts](https://apify.com/logiover/website-change-monitor) with a specific input configuration. Visit the [Actor detail page](https://apify.com/logiover/website-change-monitor) to learn more, explore other use cases, and run it yourself.