# Price Drop Tracker: Monitor Product Prices

**Use case:** 

Monitor price changes for MacBook Air, Google Pixel 9, LEGO Millennium Falcon, and more. Receive alerts on price drops and stock updates.

## Input

```json
{
  "urls": [
    "https://www.apple.com/shop/buy-mac/macbook-air",
    "https://store.google.com/us/product/pixel_9",
    "https://www.lego.com/en-us/product/millennium-falcon-75192"
  ],
  "exactUrlsOnly": true,
  "useCase": "general",
  "model": "claude-haiku-4-5-20251001",
  "customPrompt": "These are retail product pages. For every change, state any price change explicitly with the old price, the new price, and the percent difference, and call out stock or availability changes. Ignore unrelated layout, banner, or review-count noise.",
  "companyAnalysis": "on-first-run",
  "notifyThreshold": "minor",
  "notifyOnQuietRun": false,
  "outputEmail": "me@example.com",
  "slackChannel": "#competitor-watch",
  "notionParentPage": "1a2b3c4d5e6f7081920a1b2c3d4e5f60",
  "resetBaseline": false,
  "proxyConfiguration": {
    "useApifyProxy": true
  }
}
```

## Output

```json
{
  "source": {
    "label": "Source",
    "format": "string"
  },
  "url": {
    "label": "URL",
    "format": "string"
  },
  "pageType": {
    "label": "Page type",
    "format": "string"
  },
  "status": {
    "label": "Status",
    "format": "string"
  },
  "changeType": {
    "label": "Change type",
    "format": "string"
  },
  "significance": {
    "label": "Significance",
    "format": "integer"
  },
  "summary": {
    "label": "Summary",
    "format": "string"
  },
  "checkedAt": {
    "label": "Checked at",
    "format": "string"
  }
}
```

## About this Actor

This example demonstrates how to use [Website Change Monitor — AI Alerts to Email/Slack](https://apify.com/inovaflow/website-change-tracker) with a specific input configuration. Visit the [Actor detail page](https://apify.com/inovaflow/website-change-tracker) to learn more, explore other use cases, and run it yourself.