Request Headers

Header	Value	Required	Description
ECI-ApiKey	string	Yes	Your API key. See Authentication.
Content-Type	application/json	Yes	All requests must specify JSON content type, including the request body.

Path Parameters

Name	Description	Type	Required
meterId		integer (int32)	Required

Request Body

MeterSerialNumberHistoryRequest

Property	Description	Type
newSerialNumber	Serial number that will replace the existing one Required Must be between 0 and 255 characters	string
serialNumberChangeDate	Date that serial number changed Required (defined)	string (date-time)

Example Request Body application/json Copy

{  "newSerialNumber": "string",  "serialNumberChangeDate": "2026-03-30"
}

Responses

200 OK The request succeeded and the response body contains the requested data.

Response Body Parameters

MeterSerialNumberHistoryResponse

Property	Description	Type
meterId	Meter identifier Required (defined)	integer (int32)
serialNumber	Serial number of the meter Required (defined)	string
serialNumberHistory		MeterSerialNumberHistoryChild
MeterSerialNumberHistoryChild properties Property Description Type previousSerialNumber Previous serial number of the meter string serialNumberChangeDate Date that serial number changed string (date-time)

Example Response application/json Copy

{  "meterId": 1,  "serialNumber": "string",  "serialNumberHistory": {    "previousSerialNumber": "string",    "serialNumberChangeDate": "2026-03-30"
  }
}