curl --request GET \
  --url https://api.flatpeak.com/tariffs \
  --header 'Authorization: Bearer <token>'

{
  "object": "list",
  "url": "/tariffs",
  "has_more": false,
  "data": [
    {
      "id": "trf_66ba584eb6923d7c3b942ef6",
      "object": "tariff",
      "location_id": "loc_641b90b758fb8e6293716e40",
      "live_mode": true,
      "is_linked": false,
      "connection_type": "MANUAL",
      "type": "COMMODITY",
      "status": "CONNECTED",
      "timezone": "Europe/London",
      "market_rates": false,
      "contract_start_date": "2023-01-24T00:00:00Z",
      "contract_end_date": "2024-01-24T00:00:00Z",
      "time_created": "2023-05-05T05:37:27Z",
      "account_id": "acc_661677911f2197045e6cf1b1",
      "direction": "IMPORT",
      "display_name": "Flexible Go 2023",
      "provider_id": "prv_63a6087272921ef075a8fd3e",
      "schedule": [
        {
          "months": [
            "All"
          ],
          "dates": [
            24
          ],
          "days_and_hours": [
            {
              "days": [
                "All"
              ],
              "hours": [
                {
                  "valid_from": "05:00:00",
                  "valid_to": "23:30:00",
                  "rate": [
                    {
                      "value": "(((0.03 * $index) - 3) * $unitScale) * $tax",
                      "variables": {
                        "index": "BELPEX",
                        "unitScale": 0.01,
                        "tax": 0.12
                      }
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}