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Virtual Private Cloud:DescribeTagKeysForExpressConnect

Last Updated:Aug 14, 2026

Queries the tag list of Express Connect resources by calling the DescribeTagKeysForExpressConnect operation.

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RAM authorization

The table below describes the authorization required to call this API. You can define it in a Resource Access Management (RAM) policy. The table's columns are detailed below:

  • Action: The actions can be used in the Action element of RAM permission policy statements to grant permissions to perform the operation.

  • API: The API that you can call to perform the action.

  • Access level: The predefined level of access granted for each API. Valid values: create, list, get, update, and delete.

  • Resource type: The type of the resource that supports authorization to perform the action. It indicates if the action supports resource-level permission. The specified resource must be compatible with the action. Otherwise, the policy will be ineffective.

    • For APIs with resource-level permissions, required resource types are marked with an asterisk (*). Specify the corresponding Alibaba Cloud Resource Name (ARN) in the Resource element of the policy.

    • For APIs without resource-level permissions, it is shown as All Resources. Use an asterisk (*) in the Resource element of the policy.

  • Condition key: The condition keys defined by the service. The key allows for granular control, applying to either actions alone or actions associated with specific resources. In addition to service-specific condition keys, Alibaba Cloud provides a set of common condition keys applicable across all RAM-supported services.

  • Dependent action: The dependent actions required to run the action. To complete the action, the RAM user or the RAM role must have the permissions to perform all dependent actions.

Action

Access level

Resource type

Condition key

Dependent action

vpc:DescribeTagKeysForExpressConnect

list

*All Resource

*

None None

Request parameters

Parameter

Type

Required

Description

Example

ResourceType

string

No

The resource type. Valid values:

  • PHYSICALCONNECTION: Express Connect circuit instance.

  • VIRTUALBORDERROUTER: Virtual Border Router.

  • ROUTERINTERFACE: VBR uplink.

  • TRAFFICQOS: QoS policy.

Note

This parameter is actually required. If it is not specified, the service returns MissingParameter (400).

PHYSICALCONNECTION

Keyword

string

No

The keyword of the tag name. Fuzzy match is supported. You can enter a keyword to query all tags that contain the keyword.

keyword

RegionId

string

Yes

The region ID of the resource.

You can call the DescribeRegions operation to query the region ID.

cn-hangzhou

NextToken

string

No

The token for the next query. Valid values:

  • If this is the first query or there is no next query, you do not need to specify this parameter.

  • If there is a next query, set the value to the NextToken value returned in the previous API call.

FFmyTO70tTpLG6I3FmYAXGKPd****

MaxResult

integer

No

The number of entries per page for a paged query. Valid values: 1 to 100. Default value: 20.

20

ResourceId

array

No

The resource ID. You can specify up to 20 resource IDs.

string

No

The resource ID. You can specify up to 20 resource IDs.

pc-bp16qjewdsunr41m1****

Response elements

Element

Type

Description

Example

object

The token for the next query. Valid values:

  • If NextToken is empty, no next query exists.

  • If NextToken has a return value, the value indicates the token for the next query.

NextToken

string

The token for the next query. Valid values:

  • If NextToken is empty, no next query exists.

  • If NextToken has a return value, the value indicates the token for the next query.

FFmyTO70tTpLG6I3FmYAXGKPd****

RequestId

string

The request ID.

54B48E3D-DF70-471B-AA93-08E683A1B45

TagKeys

object

TagKey

array<object>

The collection of tag keys.

object

The collection of tag keys.

Type

string

The type of the tag key. Valid values:

  • Custom: custom tag key.

  • System: system-generated tag key.

System

TagKey

string

The tag key.

FinanceDept

Examples

Success response

JSON format

{
  "NextToken": "FFmyTO70tTpLG6I3FmYAXGKPd****",
  "RequestId": "54B48E3D-DF70-471B-AA93-08E683A1B45",
  "TagKeys": {
    "TagKey": [
      {
        "Type": "System",
        "TagKey": "FinanceDept"
      }
    ]
  }
}

Error codes

HTTP status code

Error code

Error message

Description

400 BothEmpty.TagsAndResources The specified Tags and ResourcesIds are not allow to both empty. The tags and resource groups cannot be empty at the same time.
400 MissingParameter.TagKey The input parameter TagKey that is mandatory for processing this request is not supplied. The TagKey parameter is not set.
400 MissingParameter.TagValue The input parameter TagValue that is mandatory for processing this request is not supplied. The TagValue parameter is not set.
400 InvalidTagKey The tag keys are not valid. The tag index is invalid.
400 InvalidTagValue The tag values are not valid. The tag value is invalid.
400 InvalidInstanceType.NotFound The instance type is not found The instance type is not found.
400 InvalidInstanceIds.NotFound The instanceIds are not found The instance ID is not found.
400 Forbidden.TagKeys The request do not allow to operate the tag keys You do not have the permissions to set the TagKeys parameter.
400 QuotaExceeded.TagNum Custom Tags quota exceeded The upper limit is reached.
400 Forbidden.TagKey.Duplicated The specified tag key already exists. The tag resources are duplicate.
400 SizeLimitExceeded.ResourceId The maximum number of resource IDs is exceeded. The number of resource group IDs has reached the upper limit.
403 Forbidden User not authorized to operate on the specified resource. You do not have the permissions to manage the specified resource. Apply for the permissions and try again.

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.