# Get Alerted When a Vendor Changes Its Subprocessors

**Use case:** 

Track a single vendor's subprocessor page and get notified the moment a subprocessor is added or removed. Pay per check, no subscription.

## Input

```json
{
  "urls": [
    "https://stripe.com/legal/service-providers"
  ],
  "mode": "auto",
  "notifyOn": "list-change-only",
  "selectorByUrl": {},
  "monitorName": "stripe-subprocessors",
  "maxConcurrency": 5,
  "proxyConfiguration": {
    "useApifyProxy": true
  }
}
```

## Output

```json
{
  "url": {
    "label": "URL",
    "format": "string"
  },
  "ok": {
    "label": "OK",
    "format": "boolean"
  },
  "changed": {
    "label": "Changed",
    "format": "boolean"
  },
  "changeType": {
    "label": "Change type",
    "format": "string"
  },
  "entryCount": {
    "label": "Entry count",
    "format": "integer"
  },
  "error": {
    "label": "Error",
    "format": "string"
  },
  "checkedAt": {
    "label": "Checked at",
    "format": "string"
  }
}
```

## About this Actor

This example demonstrates how to use [Subprocessor Change Monitor](https://apify.com/virtual-constructs/subprocessor-change-monitor) with a specific input configuration. Visit the [Actor detail page](https://apify.com/virtual-constructs/subprocessor-change-monitor) to learn more, explore other use cases, and run it yourself.