Updated on 2025-10-24 GMT+08:00

Querying Resource Tags

Function

This API is used to query tags of a specified resource.

Constraints

A maximum of 20 tags can be added to a DB instance. The tag key must be unique.

URI

  • URI format

    GET /v3/{project_id}/instances/{instance_id}/tags

Table 1 Path parameters

Name

Mandatory

Type

IN

Description

project_id

Yes

string

path

Explanation:

Project ID of a tenant in a region. To obtain the project ID, see Obtaining a Project ID.

Constraints:

N/A

Value range:

N/A

Default value:

N/A

instance_id

Yes

string

path

Explanation:

Instance ID, which can be obtained by calling the API described in Querying Instances and Details. If you do not have an instance, call the API described in Creating a DB Instance to create one.

Constraints:

N/A

Value range:

N/A

Default value:

N/A

Request Parameters

Table 2 Request header parameters

Name

Mandatory

Type

IN

Description

X-Auth-Token

Yes

string

header

Definition

User token obtained from IAM. For details, see Authentication.

Constraints

N/A

Range

N/A

Default Value

N/A

Response Parameters

Table 3 Parameter description

Name

Mandatory

Type

Description

tags

Yes

Array of objects

The tag list. For more information, see Table 4.

Table 4 tags field data structure description

Name

Mandatory

Type

Description

key

Yes

String

The tag key.

  • The key cannot be empty and contains 1 to 128 single-byte characters.
  • The key can contain UTF-8 letters (including Chinese characters), digits, spaces, and the following characters: _.:/=+-@
  • Do not enter labels starting with _sys_, which are system labels.

Character set: 0-9, A-Z, a-z, "_", and "-".

value

Yes

String

The tag value.

  • The value can contain UTF-8 letters (including Chinese characters), digits, spaces, and the following characters: _.:/=+-@
  • The value can be empty or null and contains 0 to 255 single-byte characters.

Character set: 0-9, A-Z, a-z, "_", "." and "-".

Example Requests

https://{Endpoint}/v3/0549b4a43100d4f32f51c01c2fe4acdb/instances/cc6345c64cec47499182467ea0dd432ain02/tags

Example Responses

{
  "tags": [
    {
      "key": "key1",
      "value": "value1"
    },
    {
      "key": "key2",
      "value": "value2"
    }
  ]
}

SDK

Click Document Database Service DDS SDK to download the SDK or view the SDK document. To learn how to install and authenticate an SDK, read the Usage section.

Status Code

For more information, see Status Code.

Error Code

For more information, see Error Code.