curl --request POST \
  --url https://api.engrate.io/cost-of-energy/v1/calculate \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "end_time": "2026-01-01T00:30:00+01:00",
  "profiles": [
    {
      "name": "quarter-hourly-day-ahead-price-se1",
      "profile_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890"
    }
  ],
  "start_time": "2026-01-01T00:00:00+01:00",
  "tariff_id": "123e4567-e89b-12d3-a456-426614174000",
  "time_series": [
    {
      "name": "quarter-hourly-energy-offtake",
      "values": [
        1.5,
        1.2
      ]
    }
  ]
}
'

{
  "components": [
    {
      "end_time": "2026-01-01T00:30:00+01:00",
      "name": "Energiskatt",
      "start_time": "2026-01-01T00:00:00+01:00",
      "time_series": [
        {
          "name": "cost",
          "resolution": "quarter_hourly",
          "unit": "SEK",
          "values": [
            0.54,
            0.432
          ]
        }
      ]
    }
  ]
}