curl --request POST \
  --url https://api.example.com/v1/devices/hvac/{id}/preview \
  --header 'Content-Type: application/json' \
  --header 'x-ws-api-key: <api-key>' \
  --data '
{
  "blocks": [],
  "defaultCoolSetpoint": 74,
  "defaultHeatSetpoint": 68,
  "defaultMaxTemp": 75,
  "defaultMinTemp": 65,
  "defaultMode": "AUTO",
  "tempUnits": "F"
}
'

{
  "setPointSchedule": {
    "blocks": [
      {
        "startDatetime": "2025-06-02T00:00:00.000Z",
        "endDatetime": "2025-06-02T08:00:00.000Z",
        "targetTemp": null,
        "targetCoolSetpoint": 74,
        "targetHeatSetpoint": 68,
        "targetMode": "AUTO"
      },
      {
        "startDatetime": "2025-06-02T08:00:00.000Z",
        "endDatetime": "2025-06-03T00:00:00.000Z",
        "targetTemp": null,
        "targetCoolSetpoint": 76,
        "targetHeatSetpoint": 66,
        "targetMode": "COOL"
      }
    ],
    "startDatetime": "2025-06-02T00:00:00.000Z",
    "endDatetime": "2025-06-03T00:00:00.000Z",
    "tempUnits": "F"
  },
  "temperatureData": [
    68,
    69,
    70,
    71
  ],
  "rates": [
    0.24,
    0.26,
    0.28,
    0.3
  ],
  "estimatedSavings": 12.45
}