curl --request GET \
  --url https://api.engrate.io/schedule-management/v1/mabis/energy-volumes/{mabis_zp_id}/monthly-summary \
  --header 'Authorization: <api-key>'

{
  "energy": {
    "mabis_zp_id": "<string>",
    "bilanzierungsmonat": "<string>",
    "total_kwh": 123,
    "total_mwh": 123,
    "interval_count": 123,
    "mscons_message_id": "<string>",
    "message_date": "<string>",
    "data_status": "<string>",
    "unit": "<string>",
    "resolution": "<string>",
    "aggregation_object_uid": "<string>"
  },
  "cost": {
    "mabis_zp_id": "<string>",
    "bilanzierungsmonat": "<string>",
    "tso_area": "<string>",
    "total_energy_mwh": 123,
    "total_cost_eur": 123,
    "average_price_eur_mwh": 123,
    "interval_count": 123,
    "missing_prices_count": 123,
    "aggregation_object_uid": "<string>"
  }
}