1. API Description

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

This API is used to create a listener for a CLB instance.
This is an async API. After it is returned successfully, you can call the DescribeTaskStatus API with the returned RequestId as an input parameter to check whether this task is successful.

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: clb.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 a UDP listener with the default Ping health check

This example shows you how to create two TCP listeners which are named lis0 and lis1 and used to listen on ports 7569 and 7570, respectively.

Input Example

https://clb.tencentcloudapi.com/?Action=CreateListener
&LoadBalancerId=lb-6wlxe9rj
&ListenerNames.0=lis_test
&Protocol=UDP
&Ports.0=432
&HealthCheck.HealthSwitch=1
&<Common request parameters>

Output Example

{
  "Response": {
    "ListenerIds": [
      "lbl-aev333n1"
    ],
    "RequestId": "3b81f03e-6088-448d-abaf-8a487d4f985a"
  }
}

Example2 Creating an HTTPS listener and binding an existing certificate

Input Example

https://clb.tencentcloudapi.com/?Action=CreateListener
&LoadBalancerId=lb-cuxw2rm0
&Protocol=HTTPS
&Ports.0=7572
&Certificate.SSLMode=UNIDIRECTIONAL
&Certificate.CertId=MsJyaXVm
&<Common request parameters>

Output Example

{
  "Response": {
    "ListenerIds": [
      "lbl-4fbxq45k"
    ],
    "RequestId": "db8ae69f-ebda-402b-8d02-ead459aa6ff9"
  }
}

Example3 Setting health check information while creating a TCP listener

Input Example

https://clb.tencentcloudapi.com/?Action=CreateListener
&LoadBalancerId=lb-cuxw2rm0
&Protocol=TCP
&Ports.0=7571
&HealthCheck.HealthSwitch=1
&HealthCheck.TimeOut=5
&HealthCheck.IntervalTime=7
&HealthCheck.HealthNum=4
&HealthCheck.UnHealthNum=4
&<Common request parameters>

Output Example

{
  "Response": {
    "ListenerIds": [
      "lbl-lbbxvq26"
    ],
    "RequestId": "fff13c83-dcb5-481a-ba7c-30e92c276c19"
  }
}

Example4 Creating TCP listeners lis0 and lis1 to listen on ports 7569 and 7570 respectively

This example shows you how to create two TCP listeners lis0 and lis1 to listen on ports 7569 and 7570 respectively.

Input Example

https://clb.tencentcloudapi.com/?Action=CreateListener
&LoadBalancerId=lb-cuxw2rm0
&Protocol=TCP
&Ports.0=7569
&Ports.1=7570
&ListenerNames.0=lis0
&ListenerNames.1=lis1
&<Common request parameters>

Output Example

{
  "Response": {
    "ListenerIds": [
      "lbl-d1ubsydq",
      "lbl-4udz130k"
    ],
    "RequestId": "8f272cef-14ff-458c-b67e-1bd21bd2942b"
  }
}

Example5 Creating an HTTPS listener and binding a new certificate

Input Example

https://clb.tencentcloudapi.com/?Action=CreateListener
&LoadBalancerId=lb-cuxw2rm0
&Protocol=HTTPS
&Ports.0=7573
&Certificate.SSLMode=UNIDIRECTIONAL
&Certificate.CertName=my-cert
&Certificate.CertContent=-----BEGINCERTIFICATE-----\nMIIEjTCCA3WgAwIBAgIQA4ZHUAVOv4yrszl3lLfo3TANBgkqhkiG9w0BAQsFADBy\nMQswCQYDVQQGEwJDTjElMCMGA1UEChMcVHJ1c3RBc2lhIFRlY2hub2xvZ2llcywg\nSW5jLjEdMBsGA1UECxMURG9tYWluIFZhbGlkYXRlZCBTU0wxHTAbBgNVBAMTFFRy\ndXN0QXNpYSBUTFMgUlNBIENBMB4XDTE4MDEwOTAwMDAwMFoXDTE5MDEwOTEyMDAw\nMFowFjEUMBIGA1UEAxMLZmx5Zmx5Lm5hbWUwggEiMA0GCSqGSIb3DQEBAQUAA4IB\nDwAwggEKAoIBAQClpnigB7r3ahv7BMuQw9KzB9Yfq3p+cRUbX9EMRyri2GrJbmrP\npESP8XQuIn4MZESvePR0r4gGHAHVri8nXzyQw6/m77BT/fIf4cQtEyz61gopDlYq\nbLTAKVfGFhGVikvQPoItOYbA9/l2YwtDENl8wBhcFrghWTRifnFSC0bNPj1ot5eu\nL8x5UOZLSa9kaQCm2/RQUBii5w3YBh+HmJgb7HPs8OoHKVScBo6eAyOcr+HNrA8W\nKsM6r4LpS+Rpfng7+fAKGE+vFsssXfRMBTo0TPp+h8ohuM8xqujbK+T7LMEXNWN9\n3FGYuuH+qmPvx/gAXFjLARKVyf0IsNnu6TLLAgMBAAGjggF5MIIBdTAfBgNVHSME\nGDAWgBR/05nzoEcOMQBWViKOt8ye3coBijAdBgNVHQ4EFgQUUCq9/Hmfgli5URvx\nAbSDNsDCCqcwJwYDVR0RBCAwHoILZmx5Zmx5Lm5hbWWCD3d3dy5mbHlmbHkubmFt\nZTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC\nMEwGA1UdIARFMEMwNwYJYIZIAYb9bAECMCowKAYIKwYBBQUHAgEWHGh0dHBzOi8v\nd3d3LmRpZ2ljZXJ0LmNvbS9DUFMwCAYGZ4EMAQIBMIGBBggrBgEFBQcBAQR1MHMw\nJQYIKwYBBQUHMAGGGWh0dHA6Ly9vY3NwMi5kaWdpY2VydC5jb20wSgYIKwYBBQUH\nMAKGPmh0dHA6Ly9jYWNlcnRzLmRpZ2l0YWxjZXJ0dmFsaWRhdGlvbi5jb20vVHJ1\nc3RBc2lhVExTUlNBQ0EuY3J0MAkGA1UdEwQCMAAwDQYJKoZIhvcNAQELBQADggEB\nADstNGgqYXG6eBDcBGVZk6DnJdS4GYdSzFZgCwt298cPMmZj107VM0QsB5K8V5Zd\nzJl5c7o4tEXiGP+lk0TVqgP/CkcMXcpxeKB94ldyX9ILii/L4hI9j7hVrLVM1eAn\nfS66Yg65xIYU8PdFtP3uhI9WdhE3nYRngyoHAAMjIvu0bqGPYbqpnHYp8fmjyetF\nC9CZcjkqHmwTSpjXuFjbDLx/BXd1Q81TNXwv8alkuXKfIJ5tW2lH372GmQb8I3oI\nPREP38tlBbmfEu4p7+UzwwuQuD8cEUVuG/x7cUN2uAGiZGoohydrORWm8kqdNY9c\nYOuRvokzVT4lsaln5LKkKxw=\n-----ENDCERTIFICATE-----
&Certificate.CertKey=-----BEGINRSAPRIVATEKEY-----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\nlFRW1kinLCP5y56SJEBz+DRSYV7ql9wOHyaM23sHkbCF0HAa\n-----ENDRSAPRIVATEKEY-----
&<Common request parameters>

Output Example

{
  "Response": {
    "ListenerIds": [
      "lbl-bzfmg9m6"
    ],
    "RequestId": "6082314c-030c-429d-9eae-2dc6b159b5b9"
  }
}

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.