1. API Description

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

This API is used to create an ENI and bind it to a CVM.

• You can specify private IP addresses and a primary IP when creating an ENI. The specified private IP must be idle and in the same subnet as the ENI.
• When creating an ENI, you can specify the number of private IP addresses that you want to apply for. The system will randomly generate private IP addresses.
• An ENI can only be bound to a limited number of IP addresses. For more information about resource limits, see ENI Use Limits.
• You can bind an existing security group when creating an ENI.
• You can bind a tag when creating an ENI. The tag list in the response indicates the tags that have been successfully added.

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

Note: This API supports Finance regions. If the common parameter Region is a Finance region, a domain name with the Finance region needs to be specified, for example: vpc.ap-shanghai-fsi.tencentcloudapi.com

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.

3. Output Parameters

4. Example

Example1 Creating an ENI and binding it to a CVM

Input Example

https://vpc.tencentcloudapi.com/?Action=CreateAndAttachNetworkInterface
&VpcId=vpc-0akbol5v
&SubnetId=subnet-76r802pg
&NetworkInterfaceName=TestNIC
&NetworkInterfaceDescription=TestDesc
&PrivateIpAddresses.0.PrivateIpAddress=172.16.64.13
&PrivateIpAddresses.0.Primary=true
&SecondaryPrivateIpAddressCount=1
&SecurityGroupIds.0=sg-05bb4upy
&InstanceId=ins-12345678
&Tags.0.Key=city
&Tags.0.Value=shanghai
&<Common request parameters>

Output Example

{
  "Response": {
    "NetworkInterface": {
      "NetworkInterfaceId": "eni-irk5qhhl",
      "VpcId": "vpc-0akbol5v",
      "SubnetId": "subnet-76r802pg",
      "NetworkInterfaceName": "TestNIC",
      "NetworkInterfaceDescription": "TestDesc",
      "MacAddress": "20:90:6F:62:33:E2",
      "PrivateIpAddressSet": [
        {
          "PrivateIpAddress": "172.16.64.13",
          "Primary": true,
          "AddressId": "",
          "PublicIpAddress": "",
          "Description": "",
          "IsWanIpBlocked": false,
          "State": "PENDING"
        }
      ],
      "Attachment": {
        "InstanceId": "ins-12345678"
      },
      "GroupSet": [],
      "Primary": false,
      "State": "PENDING",
      "Zone": "",
      "CreatedTime": "",
      "Ipv6AddressSet": [],
      "TagSet": [
        {
          "Key": "city",
          "Value": "shanghai"
        }
      ]
    },
    "RequestId": "5cf1a813-d4f8-4e0c-8f90-c155a84a3ea1"
  }
}

5. Developer Resources

API Explorer

This tool allows online call, signature authentication, SDK code generation and quick search of APIs to greatly improve the efficiency of using TencentCloud APIs.

• API 3.0 Explorer

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

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.