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KVCacheStore:ListKVCacheStoreAvailableVscs

Last Updated:Sep 12, 2026

Queries the list of available VSC resources associated with a specified KVCacheStore instance.

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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

kvcachestore:ListKVCacheStoreAvailableVscs

none

*All Resource

*

None None

Request parameters

Parameter

Type

Required

Description

Example

KvcsId

string

Yes

The region ID, such as cn-hangzhou.

cn-hangzhou

InstanceId

string

Yes

The KVCacheStore instance ID.

kvcs-cn-5y44vuqiz001

InstanceType

string

Yes

The compute instance ID.

i-55kl5wq6j6kvtl4xu5tgunddu

RegionId

string

Yes

The compute instance type. Valid values:

  • ECS

  • EFLO

ECS

Arns

array<object>

No

The cross-account authorization role chain, used for cross-account VSC queries in ECS or EFLO scenarios.

object

No

AssumeRoleFor

string

Yes

The target UID for role assumption.

1193522024229156

RoleArn

string

Yes

The ARN of the RAM role.

acs:ram::1028257687084022:role/zeus-locationservicerole

RoleType

string

Yes

The role type. Valid values:

  • service

  • user

service

Response elements

Element

Type

Description

Example

object

ListKvCacheStoreAvailableVscsResponse

RequestId

string

The request ID.

request-id-xxx

Vscs

array<object>

The list of available VSC resources.

object

VscId

string

The VSC device ID.

vsc-xxxxx

VscStatus

string

The current status of the VSC device.

Available

Examples

Success response

JSON format

{
  "RequestId": "request-id-xxx",
  "Vscs": [
    {
      "VscId": "vsc-xxxxx",
      "VscStatus": "Available"
    }
  ]
}

Error codes

HTTP status code

Error code

Error message

Description

400 InvalidParameter The parameter %s is invalid.
400 InvalidParameter.Conflict The specified parameter %s and %s are not blank at the same time.
400 InvalidParameter.Format Specified parameter format is not valid.
400 MissingParameter The input parameter %s that is mandatory for processing this request is not supplied.
400 CrossAccountFeatureDisabled Cross-account attach feature is not enabled.
400 InvalidArnChain Invalid ARN chain: %s
500 InternalError The request processing has failed due to some unknown error, exception or failure.
500 VcsApiTimeout VCS API call timed out.
403 Forbidden User is not authorized to operate.
403 Forbidden.Action User is not authorized to operate this action.
403 InvalidAccountStatus.NotEnoughBalance Your account does not have enough balance. Your account balance is insufficient.
403 LastTokenProcessing The last token request is processing. The value of clientToken is used in another request that is being processed. Try again later.
403 OperationDenied The operation is not allowed.
403 CrossAccountVerifyFailed Cross-account VSC resource verification failed: %s
404 InvalidApi.NotFound Specified api is not found, please check your url and method.
404 VcsResourceNotFound VSC resource %s not found in target account.
504 RequestTimeout The request is timeout, please try again later.
429 BLOCK.LimitedRequest Request was denied due to user flow control.

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.