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DescribeDBInstances

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最后更新时间: 2025-12-03 10:42:07

1. API Description

Domain name for API request: mongodb.intl.tencentcloudapi.com.

This API is used to query the list of TencentDB for MongoDB instances. It supports filtering primary instances, disaster recovery instances, and read-only instances by project ID, instance ID, instance status, and other conditions.

A maximum of 20 requests can be initiated per second for this API.

We recommend you to use API Explorer
Try it
API Explorer provides a range of capabilities, including online call, signature authentication, SDK code generation, and API quick search. It enables you to view the request, response, and auto-generated examples.

2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common Params. The value used for this API: DescribeDBInstances.
Version Yes String Common Params. The value used for this API: 2019-07-25.
Region Yes String Common Params. For more information, please see the list of regions supported by the product.
InstanceIds.N No Array of String Instance ID list. Log in to the TencentDB for MongoDB console, and copy the instance ID from the instance list.
InstanceType No Integer Specifies the instance type for querying. Valid values:
- 0: all instances.
- 1: formal instance.
- 2: temporary instance.
- 3: read-only instance.
- -1: the query range includes the formal, read-only, and disaster recovery instances simultaneously.
ClusterType No Integer Specifies the cluster type of the instance to be queried. Valid values:
- 0: replica set instance.
- 1: sharded cluster instance.
- -1: replica set and sharded cluster instance.
Status.N No Array of Integer Specifies the current status of the instance to be queried. Valid values:
- 0: to be initialized.
- 1: processing, such as specification changes and parameter modifications.
- 2: running normally.
- -2: isolated (yearly/monthly subscription).
- -3: isolated (pay-as-you-go).
VpcId No String VPC ID.
- You do not need to specify this parameter for basic networks.
- Log in to the TencentDB for MongoDB console, click a VPC name in the instance list, and obtain the ID on the VPC page.
SubnetId No String VPC subnet ID.
- You do not need to specify this parameter for basic networks.
- Log in to the TencentDB for MongoDB console, click a VPC name in the instance list, and obtain the subnet ID on the VPC page.
PayMode No Integer Billing type. Valid value: 0 (pay-as-you-go)
Limit No Integer Number of entries returned per request. The default value is 20, and the value range is (1, 100].
Offset No Integer Offset. Default value: 0.
OrderBy No String Configures the field for sorting returned results. Currently, "ProjectId", "InstanceName", and "CreateTime" are supported for sorting.
OrderByType No String Configures the method for sorting returned results.
- ASC: ascending order.
- DESC: descending order.
ProjectIds.N No Array of Integer Project ID. Log in to the TencentDB for MongoDB console and select Project Management in the account information drop-down menu at the top right corner to query projects.
SearchKey No String Specifies the keyword for search. Specific instance IDs, instance names, or private IP addresses are supported.
Tags.N No Array of TagInfo Tag information, including the tag key and tag value.

3. Output Parameters

Parameter Name Type Description
TotalCount Integer Number of eligible instances
InstanceDetails Array of InstanceDetail List of instance details
RequestId String The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

4. Example

Example1 Query Instance List

Query Instance List

Input Example

POST / HTTP/1.1
Host: mongodb.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: DescribeDBInstances
<Common request parameters>

{
    "Status": [
        0
    ],
    "OrderBy": "ProjectId",
    "InstanceIds": [
        "cmgo-3vgr****"
    ],
    "VpcId": "vpc-gfb3****",
    "Tags": [
        {
            "TagKey": "testTag",
            "TagValue": "testValue"
        }
    ],
    "ClusterType": 0,
    "PayMode": 0,
    "Limit": 1,
    "SearchKey": "",
    "Offset": 1,
    "SubnetId": "",
    "OrderByType": "",
    "InstanceType": 0,
    "ProjectIds": [
        1
    ]
}

Output Example

{
    "Response": {
        "InstanceDetails": [
            {
                "AutoRenewFlag": 0,
                "CloneInstances": [],
                "ClusterType": 0,
                "ClusterVer": 1,
                "ConfigServerCpuNum": 0,
                "ConfigServerMemory": 0,
                "ConfigServerNodeNum": 3,
                "ConfigServerVolume": 0,
                "CpuNum": 2,
                "CreateTime": "2023-03-30 07:44:21",
                "DeadLine": "2073-03-30 07:44:21",
                "InstanceId": "cmgo-3vgr****",
                "InstanceName": "Test instance",
                "InstanceStatusDesc": "Running",
                "InstanceType": 1,
                "InstanceVer": 4,
                "MachineType": "HIO10G",
                "MaintenanceEnd": "05:00:00",
                "MaintenanceStart": "04:00:00",
                "Memory": 4096,
                "MongoVersion": "MONGO_42_WT",
                "MongosCpuNum": 0,
                "MongosMemory": 0,
                "MongosNodeNum": 0,
                "NetType": 1,
                "PayMode": 0,
                "ProjectId": 0,
                "Protocol": 0,
                "ReadonlyInstances": [],
                "ReadonlyNodeNum": 0,
                "RealInstanceId": "cmgo-3vgr****",
                "Region": "ap-guangzhou",
                "RelatedInstance": {
                    "InstanceId": "",
                    "Region": ""
                },
                "ReplicaSets": [
                    {
                        "Memory": 4096,
                        "OplogSize": 1024,
                        "RealReplicaSetId": "cmgo-3vgrapm5_*",
                        "ReplicaSetId": "cmgo-3vgrapm5_*",
                        "ReplicaSetName": "cmgo-3vgrapm5_*",
                        "SecondaryNum": 2,
                        "UsedVolume": 315,
                        "Volume": 10240
                    }
                ],
                "ReplicationSetNum": 1,
                "SecondaryNum": 2,
                "StandbyInstances": [],
                "Status": 2,
                "SubnetId": "subnet-7q7d****",
                "Tags": [],
                "UsedVolume": 315,
                "Vip": "10.5.2.12;10.5.2.14;10.5.2.10",
                "Volume": 10240,
                "VpcId": "vpc-gfb3****",
                "Vport": 27017,
                "Zone": "ap-guangzhou-2"
            }
        ],
        "RequestId": "230c9c0e-a56f-4639-81ee-3cb46905c087",
        "TotalCount": 1
    }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code Description
InvalidParameter.PermissionDenied The current sub-account has no permission to perform this operation.
InvalidParameterValue.IllegalInstanceStatus Invalid instance status
InvalidParameterValue.RegionError Invalid region
InvalidParameterValue.VpcIdOrSubnetIdNotFound The VPC (subnet) was not found.
InvalidParameterValue.ZoneError Invalid availability zone
LimitExceeded.TooManyRequests The API frequency limit is triggered due to frequent requests.
UnsupportedOperation Unsupported operation

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