curl --request POST \
  --url https://api.example.com/v1/homes/{id}/bill/monthly \
  --header 'Content-Type: application/json' \
  --header 'x-ws-api-key: <api-key>' \
  --data '
{
  "usage": [
    [
      123
    ]
  ],
  "month": 6,
  "export": [
    [
      123
    ]
  ],
  "year": 2050,
  "debug": true
}
'

{
  "billTotal": 123,
  "month": 6,
  "year": 123,
  "gridServicesRev": 123,
  "CO2e": 123,
  "debugInfo": "<unknown>"
}