1. API Description

Domain name for API request: cdb.tencentcloudapi.com.

This API (DescribeDBInstances) is used to query the list of TencentDB instances (which can be primary, disaster recovery, or read-only instances). It supports filtering instances by project ID, instance ID, access address, and instance status.

A maximum of 100 requests can be initiated per second for this API.

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.
This document describes the parameters for Signature V1. It's recommended to use the V3 signature, which provides higher security. Note that for Signature V3, the common parameters need to be placed in the HTTP Header. See details.

3. Output Parameters

4. Example

Example1 Querying the list of instances

Input Example

https://cdb.tencentcloudapi.com/?Action=DescribeDBInstances
&InstanceIds.0=cdb-70zdmgg1
&<Common request parameters>

Output Example

{
  "Response": {
    "TotalCount": 1,
    "RequestId": "756bb037-a44a-4b4f-abe0-6efd34a6c792",
    "Items": [
      {
        "WanStatus": 0,
        "Zone": "ap-chengdu-1",
        "InitFlag": 1,
        "Memory": 1000,
        "Status": 1,
        "VpcId": 511512,
        "SlaveInfo": {
          "First": {
            "Vip": "",
            "Region": "ap-chengdu",
            "Vport": 0,
            "Zone": "ap-chengdu-1"
          }
        },
        "InstanceId": "cdb-70zdmgg1",
        "Volume": 50,
        "AutoRenew": 0,
        "ProtectMode": 0,
        "RoGroups": [
          {
            "RoInstances": [
              {
                "Status": 1,
                "VpcId": 511512,
                "InstanceType": 3,
                "Zone": "ap-chengdu-1",
                "Qps": 1000,
                "InstanceId": "cdbro-3i70uj0k",
                "Region": "ap-chengdu",
                "DeadlineTime": "0000-00-00 00:00:00",
                "PayType": 1,
                "TaskStatus": 0,
                "Volume": 50,
                "EngineVersion": "5.6",
                "DeviceType": "CUSTOM",
                "Memory": 1000,
                "SubnetId": 115839,
                "Vip": "172.16.0.11",
                "Vport": 3306,
                "InstanceName": "cdb_ro_103608",
                "HourFeeStatus": 1
              }
            ],
            "MinRoInGroup": 1,
            "Vip": "172.16.0.11",
            "RoGroupName": "ro_group_103608",
            "Vport": 3306,
            "WeightMode": "system",
            "RoGroupId": "cdbrg-3i70uj0k",
            "RoMaxDelayTime": 1
          },
          {
            "RoInstances": [
              {
                "Status": 1,
                "VpcId": 511512,
                "InstanceType": 3,
                "Zone": "ap-chengdu-1",
                "Qps": 1000,
                "InstanceId": "cdbro-6scijza8",
                "Region": "ap-chengdu",
                "DeadlineTime": "0000-00-00 00:00:00",
                "PayType": 1,
                "TaskStatus": 0,
                "Volume": 25,
                "EngineVersion": "5.6",
                "DeviceType": "CUSTOM",
                "Memory": 1000,
                "SubnetId": 115839,
                "Vip": "172.16.0.25",
                "Vport": 3306,
                "InstanceName": "cdb_ro_103610",
                "HourFeeStatus": 1
              }
            ],
            "MinRoInGroup": 1,
            "Vip": "172.16.0.25",
            "RoGroupName": "ro_group_103610",
            "Vport": 3306,
            "WeightMode": "system",
            "RoGroupId": "cdbrg-6scijza8",
            "RoMaxDelayTime": 1
          }
        ],
        "SubnetId": 115839,
        "InstanceType": 1,
        "ProjectId": 0,
        "Region": "ap-chengdu",
        "DeadlineTime": "0000-00-00 00:00:00",
        "DeployMode": 0,
        "TaskStatus": 0,
        "DeviceType": "CUSTOM",
        "EngineVersion": "5.6",
        "InstanceName": "jersey_test",
        "DrInfo": [],
        "UniqVpcId": "vpc-5v8wn9mg",
        "WanDomain": "",
        "WanPort": 0,
        "PayType": 1,
        "CreateTime": "2018-05-03 14:53:23",
        "Vip": "172.16.0.16",
        "UniqSubnetId": "subnet-1typ0s7d",
        "Vport": 3306,
        "CdbError": 0,
        "DeployGroupId": "",
        "InstanceNodes": 2,
        "PhysicalId": "",
        "ZoneId": 720001,
        "RoVipInfo": [],
        "DeviceClass": "Z3",
        "Qps": 0,
        "TagList": [],
        "Cpu": 8,
        "ZoneName": "Qingyuan Xin'an Zone 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.

• Tencent Cloud SDK 3.0 for Python
• Tencent Cloud SDK 3.0 for Java
• Tencent Cloud SDK 3.0 for PHP
• Tencent Cloud SDK 3.0 for Go
• Tencent Cloud SDK 3.0 for NodeJS
• Tencent Cloud SDK 3.0 for .NET
• Tencent Cloud SDK 3.0 for C++

Command Line Interface

• Tencent Cloud CLI 3.0

6. Error Code

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