curl --request GET \
  --url https://service.bluumfinance.com/v1/wealth/accounts/{account_id}/portfolios \
  --header 'Authorization: Basic <encoded-value>'

{
  "portfolios": [
    {
      "portfolio_id": "port_a1b2c3d4e5f6",
      "name": "Retirement Portfolio",
      "currency": "USD",
      "status": "active",
      "created_at": "2024-01-10T10:00:00Z",
      "updated_at": "2025-01-10T10:00:00Z"
    },
    {
      "portfolio_id": "port_b2c3d4e5f6g7",
      "name": "Growth Portfolio",
      "currency": "USD",
      "status": "paused",
      "created_at": "2023-05-03T13:30:00Z",
      "updated_at": "2025-01-05T09:00:00Z"
    }
  ]
}