Help Center/ Distributed Message Service for Kafka/ API Reference/ APIs V2 (Recommended)/ Managing Consumer Groups/ Querying Consumers in a Specified Consumer Group
Updated on 2026-03-16 GMT+08:00
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Querying Consumers in a Specified Consumer Group

Function

This API is used to query consumers in a specified consumer group.

Calling Method

For details, see Calling APIs.

URI

GET /v2/{engine}/{project_id}/instances/{instance_id}/groups/{group}/members

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

engine

Yes

String

Engine.

project_id

Yes

String

Project ID. For details, see Obtaining a Project ID.

instance_id

Yes

String

Instance ID.

group

Yes

String

Consumer group ID.
Table 2 Query Parameters

Parameter

Mandatory

Type

Description

offset

No

Integer

Offset, which is the position where the query starts. The value must be greater than or equal to 0.

limit

No

Integer

Maximum number of consumers returned in the current query. The default value is 10. The value ranges from 1 to 50.

host

No

String

Consumer address.

member_id

No

String

Consumer ID.

Request Parameters

None

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

members

Array of GroupMemberEntity objects

Consumer details.

total

Integer

Total.
Table 4 GroupMemberEntity

Parameter

Type

Description

member_id

String

Consumer ID.

client_id

String

Client ID.

Example Requests

GET https://{endpoint}/v2/{engine}/{project_id}/instances/{instance_id}/groups/{group}/members

Example Responses

Status code: 200

Successful

{
  "members" : [ {
    "member_id" : "consumer-1-6b8ee551-d499-47d4-9beb-ba1527496785",
    "client_id" : "consumer-1"
  }, {
    "member_id" : "consumer-2-6b8ee551-d499-47d4-9beb-ba1527491125",
    "client_id" : "consumer-2"
  } ],
  "total" : 2
}

Status Codes

Status Code

Description

200

Successful

Error Codes

See Error Codes.

Parent Topic: Managing Consumer Groups