curl --request GET \
  --url https://mcp.closedloop.sh/integrations \
  --header 'Authorization: <api-key>'

{
  "success": true,
  "data": [
    {
      "id": "integration_123456789",
      "type": "gong",
      "name": "Gong Production",
      "status": "active",
      "settings": {
        "webhookUrl": "https://mcp.closedloop.sh/webhooks/meetings/gong",
        "syncFrequency": "hourly"
      },
      "last_sync_at": "2025-01-27T10:00:00Z",
      "error_message": "Invalid API credentials",
      "created_at": "2025-01-01T00:00:00Z",
      "updated_at": "2025-01-27T10:30:00Z"
    }
  ]
}