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Global Accelerator:UpdateBasicEndpointGroup

Last Updated:Mar 31, 2026

Updates the configurations of an endpoint group that is associated with a basic Global Accelerator (GA) instance.

Operation description

  • UpdateBasicEndpointGroup is an asynchronous operation. After a request is sent, the system returns a request ID and runs the task in the background. The system modifies the configurations of an endpoint group that is associated with a basic GA instance by deleting the endpoint group and creating a new endpoint group. You can call the GetBasicAccelerator operation to query the status of the task.

    • If the basic GA instance is in the configuring state, the configurations of the endpoint group are being modified. In this case, you can perform only query operations.

    • If the basic GA instance is in the active state, the configurations of the endpoint group are modified.

  • The UpdateBasicEndpointGroup operation cannot be repeatedly called for the same basic GA instance within a specific period of time.

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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

ga:UpdateBasicEndpointGroup

update

*BasicEndpointGroup

acs:ga:{#regionId}:{#accountId}:endpointgroup/{#BasicEndpointGroupId}

None None

Request parameters

Parameter

Type

Required

Description

Example

RegionId

string

Yes

The ID of the region where the basic GA instance is deployed. Set the value to cn-hangzhou.

cn-hangzhou

ClientToken

string

No

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

You can use the client to generate the token, but you must make sure that the token is unique among different requests. The token can contain only ASCII characters.

Note

If you do not specify this parameter, the system automatically uses the request ID as the client token. The request ID may be different for each request.

123e4567-e89b-12d3-a456-426655440000

EndpointGroupId

string

Yes

The ID of the endpoint group.

epg-bp1dmlohjjz4kqaun****

Name

string

No

The name of the endpoint group.

The name must be 1 to 128 characters in length, and can contain letters, digits, periods (.), underscores (_), and hyphens (-). It must start with a letter.

group1

Description

string

No

The description of the endpoint group.

The description can be up to 200 characters in length and cannot start with http:// or https://.

BasicEndpointGroup

EndpointType

string

No

The type of the endpoint. Valid values:

  • ENI: elastic network interface (ENI).

  • SLB: Classic Load Balancer (CLB) instance.

  • ECS: Elastic Compute Service (ECS) instance.

ENI

EndpointAddress

string

No

The address of the endpoint.

eni-bp1a05txelswuj8g****

EndpointSubAddress

string

No

The secondary address of the endpoint.

This parameter is required only if the accelerated IP address is associated with the secondary private IP address of an ECS instance or an ENI.

  • If you set the endpoint type to ECS, you can set EndpointSubAddress to the secondary private IP address of the primary ENI. If you leave this parameter empty, the primary private IP address of the primary ENI is used.

  • If you set the endpoint type to ENI, you can set EndpointSubAddress to the secondary private IP address of the secondary ENI. If you leave this parameter empty, the primary private IP address of the secondary ENI is used.

172.16.XX.XX

Response elements

Element

Type

Description

Example

object

The response parameters.

RequestId

string

The ID of the request.

04F0F334-1335-436C-A1D7-6C044FE73368

Examples

Success response

JSON format

{
  "RequestId": "04F0F334-1335-436C-A1D7-6C044FE73368"
}

Error codes

HTTP status code

Error code

Error message

Description

400 NotExist.EndPointGroup The endpoint group does not exist. The endpoint group does not exist.
400 StateError.EndPointGroup The specified state of endpoint group is invalid. The endpoint group is in an invalid state.
400 NotExist.Accelerator The accelerated instance does not exist. The GA instance does not exist.
400 StateError.Accelerator The state of the accelerated instance is invalid. The status of the GA instance is invalid.

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.