curl --request POST \
  --url https://{workspace}.spreesuite.com/billspree/meters/get-meters \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "method": "Retrieve",
  "action": "Retrieve Meters",
  "apiVersion": "v2",
  "number": null,
  "status": null,
  "mfNo": null,
  "page": null
}
'

{
  "success": true,
  "statusCode": 200,
  "message": "Request Succeeded.",
  "error": null,
  "data": {
    "meters": {
      "meters": [
        {
          "number": 2,
          "mf": 1,
          "status": "Active",
          "purchaseDate": 20260519,
          "meterHealth": "ok",
          "meterType": "Single Phase"
        }
      ],
      "page": null
    }
  }
}