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Server Load Balancer:DescribeZones

Last Updated:Mar 13, 2024

Queries the zones of a region in which a Network Load Balancer (NLB) instance is deployed.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

Authorization information

There is currently no authorization information disclosed in the API.

Request parameters

ParameterTypeRequiredDescriptionExample
ServiceCodestringNo

The service code. Set the value to nlb.

nlb
RegionIdstringNo

The ID of the region to which the zone belongs. You can call the DescribeRegions operation to query the most recent region list.

cn-hangzhou
AcceptLanguagestringNo

The supported natural language. Valid values:

  • zh-CN: Chinese
  • en-US (default): English
  • ja: Japanese
zh-CN
ClientTokenstringNo

The client token that is used to ensure the idempotence of the request.

You can use the client to generate the value, but you must ensure that it is unique among all requests. ClientToken can contain only ASCII characters.

Note If you do not set this parameter, the system uses RequestId as ClientToken. RequestId may be different for each API request.
123e4567-e89b-12d3-a456-426655440000

Response parameters

ParameterTypeDescriptionExample
object

RpcResponse

RequestIdstring

The ID of the request.

CEF72CEB-54B6-4AE8-B225-F876FF7BA984
Zonesobject []

The list of zones.

LocalNamestring

The name of the zone.

ap_southeast_2
ZoneIdstring

The ID of the zone.

cn-hangzhou-g

Examples

Sample success responses

JSONformat

{
  "RequestId": "CEF72CEB-54B6-4AE8-B225-F876FF7BA984",
  "Zones": [
    {
      "LocalName": "ap_southeast_2",
      "ZoneId": "cn-hangzhou-g"
    }
  ]
}

Error codes

HTTP status codeError codeError message
400IllegalParam.%sThe param of %s is illegal.

For a list of error codes, visit the Service error codes.

Change history

Change timeSummary of changesOperation
2023-10-09The Error code has changedsee changesets
Change itemChange content
Error CodesThe Error code has changed.
    Error Codes 400 change
2023-09-26The Error code has changedsee changesets
Change itemChange content
Error CodesThe Error code has changed.
    Error Codes 400 change
2023-09-05The Error code has changedsee changesets
Change itemChange content
Error CodesThe Error code has changed.
    Error Codes 400 change
2023-08-22The Error code has changedsee changesets
Change itemChange content
Error CodesThe Error code has changed.
    Added Error Codes: 400