List subprocessors

{
  "subprocessors": [
    {
      "id": "vendor-123",
      "title": "Acme Cloud Hosting",
      "location": "eu-west-1 (Ireland)",
      "type": "required",
      "description": "Core infrastructure provider for production workloads.",
      "description_markdown": ""
    },
    {
      "Data classes": "application logs, analytics events"
    },
    {
      "Retention": "30 days"
    },
    {
      "Contract": "ISO 27001, SOC 2 Type II"
    }
  ],
  "badge": "https://directus.example.com/assets/vendor-badge",
  "template": "template-001",
  "featured": true,
  "date_created": "2025-03-01T10:05:00.000Z",
  "date_updated": "2025-04-12T08:30:00.000Z"
}

{
  "error": "unauthorized",
  "details": "Missing or invalid bearer token"
}

{
  "error": "server_error",
  "details": "Unexpected error occurred"
}