Help Center/ API Gateway/ API Reference/ Dedicated Gateway APIs (V2)/ Dedicated - Instance Management/ Querying Load Balancers
Updated on 2026-05-18 GMT+08:00
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Querying Load Balancers

Function

View the load balancer list. This operation is supported only for NLB gateways.

Calling Method

For details, see Calling APIs.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

  • If you are using role/policy-based authorization, see Permissions Policies and Supported Actions for details on the required permissions.
  • If you are using identity policy-based authorization, the following identity policy-based permissions are required.

    Action

    Access Level

    Resource Type (*: required)

    Condition Key

    Alias

    Dependencies

    apig:instance:listExtraElbs

    List

    instance *

    • g:ResourceTag/<tag-key>

    • g:EnterpriseProjectId

    -

    -

URI

GET /v2/{project_id}/apigw/instances/{instance_id}/extra-elbs

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID. For details about how to obtain it, see Obtaining a Project ID.

instance_id

Yes

String

Gateway ID, which can be obtained from the gateway information on the APIG console.

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token. It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is a token.

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

elbs

Array of objects

ELB details.

Array Length: 1 - 10

Status code: 400

Table 4 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 401

Table 5 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 403

Table 6 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 404

Table 7 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 500

Table 8 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Example Requests

None

Example Responses

Status code: 200

OK

{
  "elbs" : [ {
    "elb_id" : "85392b45-685c-4f77-b19a-14ad875b8190",
    "ingress_ports" : [ {
      "protocol" : "HTTP",
      "ingress_port" : 8080,
      "ingress_port_id" : "0ae98839d78043d8a6dff54d7cb096dc",
      "status" : "normal"
    } ],
    "public_ips" : [ {
      "type" : "v4",
      "ip" : "xxx.xxx.xxx.xxx"
    } ],
    "private_ips" : [ {
      "type" : "v4",
      "ip" : "xxx.xxx.xxx.xxx"
    } ],
    "global_eips" : [ {
      "type" : "v4",
      "ip" : "xxx.xxx.xxx.xxx"
    } ]
  } ]
}

Status code: 400

Bad Request

{
  "error_code" : "APIC.7211",
  "error_msg" : "Parameter value does not match the rules, parameter name"
}

Status code: 401

Unauthorized

{
  "error_code" : "APIC.7102",
  "error_msg" : "Incorrect token or token resolution failed"
}

Status code: 403

Forbidden

{
  "error_code" : "APIC.7106",
  "error_msg" : "No permissions to request for the method"
}

Status code: 404

Not Found

{
  "error_code" : "APIC.7302",
  "error_msg" : "Instance not found"
}

Status code: 500

Internal Server Error

{
  "error_code" : "APIC.9000",
  "error_msg" : "Failed to request internal service"
}

Status Codes

Status Code

Description

200

OK

400

Bad Request

401

Unauthorized

403

Forbidden

404

Not Found

500

Internal Server Error

Error Codes

See Error Codes.