curl --request GET \
  --url https://api.voltview.co.uk/v1/sites/{siteId}/stats \
  --header 'x-api-key: <api-key>'

{
  "siteId": "<string>",
  "siteName": "<string>",
  "totalConsumption": 123,
  "totalCost": 123,
  "totalEmissions": 123,
  "meterCount": 123,
  "period": "<string>"
}