Help Center/ ModelArts/ API Reference/ Model Inference/ Service Deployment Version Management/ Obtaining the Deployment Versions of a Real-Time Service
Updated on 2026-07-24 GMT+08:00

Obtaining the Deployment Versions of a Real-Time Service

Function

This API is used to obtain the version list of a specified service deployed. It is applicable to scenarios where you need to know the available versions of the current service deployment, for example, selecting a version or confirming the current version information. If the request contains a valid service ID and deployment ID, you can use the sorting parameter to sort the list. You must have the permission to view the target service deployment. After the request is successful, all real-time version information about the service deployment is returned, including the version number, release time, and status. If the service ID or deployment ID is invalid or the user does not have the permission, "400 Bad Request" or "403 Forbidden" is returned. If the service deployment does not have a real-time version, an empty list is returned.

Debugging

You can debug this API through automatic authentication in API Explorer or use the SDK sample code generated by API Explorer.

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

    modelarts:service:listDeploymentVersions

    Read

    service *

    -

    -

    -

URI

GET /v2/{project_id}/services/{service_id}/deployments/{deployment_id}/versions

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Definition

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

Constraints

N/A

Range

N/A

Default Value

N/A

service_id

Yes

String

Definition

Service ID, which can be obtained from the response body during service creation or by querying the services owned by the current user. The service_id field is the service ID.

Constraints

N/A

Range

N/A

Default Value

N/A

deployment_id

Yes

String

Definition

Deployment ID, which you can obtain from the response body when adding the deployment or by obtaining service deployments. The deployment_id field indicates the deployment ID.

Constraints

N/A

Range

Deployment ID.

Default Value

N/A

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

Definition

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 the user token. For details about how to obtain the token, see Obtaining a User Token Through Password Authentication.

Constraints

N/A

Range

N/A

Default Value

N/A

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

data

Array of InferDeploymentVersionItemResp objects

Definition: Real-time service deployment data.

current

Integer

Definition

Current page number, starting from 0.

Range

N/A

size

Integer

Definition

Number of records on the current page.

Range

N/A

pages

Integer

Definition

Number of records on the current page.

Range

N/A

total

Integer

Definition

Total number of records.

Range

N/A

Table 4 InferDeploymentVersionItemResp

Parameter

Type

Description

infer_name

String

Definition

Deployment ID.

Range

N/A

version

String

Definition

Deployment version.

Range

N/A

version_status

String

Definition

Version status

Range

N/A

description

String

Definition

Version description

Range

N/A

create_at

String

Definition

Creation Time

Range

N/A

update_at

String

Definition

Update time

Range

N/A

deploy_type

String

Definition

Deployment type.

Range

  • SINGLE: single-node single-PU

  • MULTI: multi-node multi-PU

Example Requests

Obtain the version information list of deployment_id and sort the information in descending order of creation time.

GET https://{end_point}/v2/{project_id}/services/{service_id}/deployments/{deployment_id}/versions

Example Responses

Status code: 200

All historical versions of the deployment are returned.

{
  "current" : 0,
  "data" : [ {
    "create_at" : "2025-12-01 16:37:24",
    "description" : "",
    "infer_name" : "a07f5c03-547c-40cc-814b-312284779ebf",
    "update_at" : "2025-12-01 16:37:24",
    "version" : "1.0.0",
    "version_status" : "ACTIVE"
  }, {
    "create_at" : "2025-12-01 16:37:24",
    "description" : "",
    "infer_name" : "a07f5c03-547c-40cc-814b-312284779ebf",
    "update_at" : "2025-12-01 16:37:24",
    "version" : "1.0.1",
    "version_status" : "INACTIVE"
  } ],
  "pages" : 1,
  "size" : 10,
  "total" : 2
}

Status Codes

Status Code

Description

200

All historical versions of the deployment are returned.

Error Codes

See Error Codes.