Help Center/ ModelArts/ API Reference/ App Authentication Management/ Check whether the app exists.
Updated on 2025-08-20 GMT+08:00
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Check whether the app exists.

Function

Check whether the app exists.

Debugging

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

URI

GET /v1/{project_id}/app-auth/apps/{app_name}/exists

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

app_name

Yes

String

App name.

project_id

Yes

String

Definition: Project ID. For details, see Obtaining a Project ID and Name.

Constraints: The value can contain 1 to 64 characters. Letters, digits, and hyphens (-) are allowed.

Range: N/A

Default Value: N/A
Table 2 Query Parameters

Parameter

Mandatory

Type

Description

workspace_id

No

String

Definition: Workspace ID

Constraints: If no workspaces are available, the default value is 0. If a workspace is created and used, use the actual value. For details about how to obtain the ID, see Querying the Workspace List.

Range: N/A

Default Value: N/A

Request Parameters

Table 3 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token, which can be obtained by calling the IAM API that is used for obtaining a user token. The value of X-Subject-Token in the response header is the user token.

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

exists

Boolean

Indicates whether an app exists.

Status code: 401

Table 5 Response body parameters

Parameter

Type

Description

error_code

String

  • Definition: ModelArts error code.

Range: N/A

error_msg

String

Definition: Error message.

Range: N/A

Status code: 403

Table 6 Response body parameters

Parameter

Type

Description

error_code

String

  • Definition: ModelArts error code.

Range: N/A

error_msg

String

Definition: Error message.

Range: N/A

Status code: 404

Table 7 Response body parameters

Parameter

Type

Description

error_code

String

  • Definition: ModelArts error code.

Range: N/A

error_msg

String

Definition: Error message.

Range: N/A

Example Requests

GET https://{endpoint}/v1/{project_id}/app-auth/apps/{app_name}/exists&workspace_id=0

Example Responses

Status code: 200

OK

{
  "exists" : true
}

Status Codes

Status Code

Description

200

OK

401

Unauthorized

403

Forbidden

404

Not Found

Error Codes

See Error Codes.