Updated on 2026-01-08 GMT+08:00

Querying All Instance Specifications

Description

This API is used to query all instance specifications in a specified region.

URI

  • URI format

    GET https://{Endpoint}/v3/{project_id}/flavors?region={region}&engine_name={engine_name}

Request Parameters

Table 1 Request parameters

Name

Type

IN

Mandatory

Description

X-Auth-Token

string

header

Yes

User token

project_id

string

path

Yes

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

region

string

query

No

The region where the DB instance is deployed.

The region where the DB instance is deployed.

Valid value:

The value cannot be empty. For details about how to obtain this parameter value, see Regions and Endpoints.

engine_name

string

query

No

Database type The value is DDS-Community.

Response Parameters

Table 2 Parameter description

Name

Type

Description

flavors

Array of objects

DB instance specification list. For more information, see Table 3.

Table 3 flavors field data structure description

Name

Type

Description

engine_name

String

Engine name

type

String

Node type. DDS supports the following types of nodes:

  • mongos
  • shard
  • config
  • replica
  • single

vcpus

String

Number of vCPUs

ram

String

Memory size in GB

spec_code

String

Resource specification code

Example: dds.mongodb.c6.xlarge.2.shard

NOTE:
  • dds: indicates the DDS service.
  • dds.mongodb: indicates the DDS service.
  • c6.xlarge.2: indicates the node specification. It is a high-memory type.
  • shard: indicates the node type.
  • When querying the specifications, check whether the specifications are of the same series. The specification series includes general-purpose (s6), enhanced (c3), and enhanced II (c6).
    Example:
    • dds.mongodb.s6.large.4.mongos and dds.mongodb.s6.large.4.config belong to the same specification series.
    • dds.mongodb.s6.large.4.mongos and dds.mongodb.c3.large.4.config are not of the same specification series.

az_status

Object

The status of specifications in an AZ. Its value can be any of the following:

  • normal: indicates that the specification is on sale.
  • unsupported: indicates that the specification is not supported.
  • sellout: indicates that the specification is sold out.

In the example response, az1, az2, and az3 in the az_status field are example values.

  • Response example
    {
        "flavors": [
            {
                "engine_name": "DDS-Community",
                "type": "mongos",
                "vcpus": "1",
                "ram": "4",
                "spec_code": "dds.mongodb.c6.medium.4.mongos",
                "az_status": {
                    "az1": "normal",
                    "az2": "normal",
                    "az3": "normal"
                }
            },
    {
                "engine_name": "DDS-Community",
                "type": "shard",
                "vcpus": "4",
                "ram": "8",
                "spec_code": "dds.mongodb.c6.xlarge.2.shard",
                "az_status": {
                    "az1": "normal",
                    "az2": "normal",
                    "az3": "normal"
                }
            },
    {
                "engine_name": "DDS-Community",
                "type": "config",
                "vcpus": "2",
                "ram": "4",
                "spec_code": "dds.mongodb.c6.large.2.config",
                "az_status": {
                    "az1": "normal",
                    "az2": "normal",
                    "az3": "normal"
                }
            },
    {
                "engine_name": "DDS-Community",
                "type": "replica",
                "vcpus": "1",
                "ram": "4",
                "spec_code": "dds.mongodb.c6.medium.4.repset",
                "az_status": {
                    "az1": "normal",
                    "az2": "normal",
                    "az3": "normal"
                }
            }
        ]
    }

Status Code

For details, see Status Code.

Error Code

For details, see Error Code.