API Category
Last updated: 2025-11-25 10:10:50
Instance APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| DescribeLoadBalancers | Queries the list of CLB instances | 20 |
| CloneLoadBalancer | Clones a CLB instance | 20 |
| CreateLoadBalancer | Purchases a CLB instance | 20 |
| ModifyLoadBalancerAttributes | Modifies the attributes of a CLB instance | 20 |
| DescribeLoadBalancersDetail | Queries CLB instance details | 20 |
| DeleteLoadBalancer | Deletes one or more CLB instances | 20 |
Listener APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| CreateListener | Creates a CLB listener | 20 |
| CreateRule | Creates a forwarding rule for a layer-7 CLB listener | 20 |
| DescribeListeners | Queries the list of CLB listeners | 20 |
| ModifyListener | Modifies the attributes of a CLB listener | 20 |
| ModifyRule | Modifies a forwarding rule of a CLB listener | 20 |
| ModifyDomain | Modifies a domain name of a layer-7 forwarding rule | 20 |
| ModifyDomainAttributes | Modifies the domain name-level attributes of a layer-7 listener's forwarding rule | 20 |
| DeleteListener | Deletes a CLB listener | 20 |
| DeleteLoadBalancerListeners | Deletes multiple CLB listeners | 20 |
| DeleteRule | Deletes a rule from a layer-7 CLB listener | 20 |
Backend Service APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| RegisterTargets | Binds real servers to a listener | 20 |
| BatchRegisterTargets | Binds CVM instances or ENIs in batches | 20 |
| ModifyTargetPort | Modifies the port of a real server bound to a listener | 20 |
| ModifyTargetWeight | Modifies the forwarding weight of a real server bound to a listener | 20 |
| BatchModifyTargetTag | Modifies tags of real servers bound to listeners in batches | 20 |
| BatchModifyTargetWeight | Batch modifies the forwarding weights of real servers bound to a listener | 20 |
| DeregisterTargets | Unbinds real servers from a CLB listener | 20 |
| BatchDeregisterTargets | Unbinds layer-4/layer-7 real servers in batches | 20 |
| DescribeTargetHealth | Queries the health check status of a real server of a CLB instance | 20 |
| DeregisterFunctionTargets | Unbinding an SCF function from a forwarding rule | 20 |
| DescribeCrossTargets | Queries information of CVMs and ENIs that use cross-region binding 2.0 | 20 |
| ModifyFunctionTargets | Modifies the cloud functions associated with a forwarding rule | 20 |
| RegisterFunctionTargets | Binds an SCF function with a forwarding rule | 20 |
| DescribeTargets | Queries the list of CVM instances bound to a CLB instance | 20 |
Target Group APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| CreateTargetGroup | Creates a target group | 20 |
| DeleteTargetGroups | Deletes target groups | 20 |
| DescribeTargetGroups | Queries target group information | 20 |
| DescribeTargetGroupList | Gets a target group list | 20 |
| ModifyTargetGroupAttribute | Modifies target group attribute | 20 |
| AssociateTargetGroups | Binds target groups to rules | 20 |
| DisassociateTargetGroups | Unbinds target groups from a rule | 20 |
| RegisterTargetGroupInstances | Registers servers to a target group | 20 |
| DeregisterTargetGroupInstances | Unbinds a server from a target group | 20 |
| DescribeTargetGroupInstances | Gets servers bound to a target group | 20 |
| ModifyTargetGroupInstancesPort | Modifies server ports of a target group in batches | 20 |
| ModifyTargetGroupInstancesWeight | Modifies server weights of a target group in batches | 20 |
Redirection APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| ManualRewrite | Creates a redirection relationship between CLB forwarding rules manually | 20 |
| AutoRewrite | Automatically generates a redirection relationship between CLB forwarding rules | 20 |
| DeleteRewrite | Deletes the redirection relationship between CLB forwarding rules | 20 |
| DescribeRewrite | Queries the redirection relationship between CLB forwarding rules | 20 |
Other APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| DescribeClsLogSet | Gets the CLB exclusive logset | 20 |
| CreateLoadBalancerSnatIps | Adds SNAT IP | 20 |
| DeleteLoadBalancerSnatIps | Deletes SNAT IP | 20 |
| DescribeLoadBalancerListByCertId | Queries a CLB instance by the certificate ID | 20 |
| DescribeQuota | Queries quotas | 20 |
| ModifyLoadBalancersProject | Modifies the projects of CLB instances | 20 |
| ReplaceCertForLoadBalancers | Replaces a certificate associated with a CLB instance | 20 |
| SetLoadBalancerClsLog | Sets the CLS topic of a CLB instance | 20 |
| SetLoadBalancerSecurityGroups | Configures security groups for a CLB instance | 20 |
| SetLoadBalancerStartStatus | Enables or disables a CLB instance or listener | 20 |
| SetSecurityGroupForLoadbalancers | Binds or unbinds a security group for multiple CLB instances | 20 |
| CreateClsLogSet | Creates a CLB exclusive logset | 20 |
| CreateTopic | Creates a topic | 20 |
| DescribeBlockIPTask | Queries the execution status of an async IP blocking (blocklisting) task | 20 |
| DescribeLoadBalancerTraffic | Queries CLB instances with high traffic under the current account | 20 |
| DescribeResources | Queries the list of AZs and resources supported for the user in the current region | 20 |
| DescribeTaskStatus | Queries the status of an async task | 20 |
| InquiryPriceCreateLoadBalancer | Queries the price of creating a CLB instance. | 20 |
| InquiryPriceModifyLoadBalancer | Queries the price of adjusting the specification of a CLB instance | 20 |
| InquiryPriceRenewLoadBalancer | Queries the price to renew a prepaid CLB instance | 20 |
Classic CLB APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| DescribeClassicalLBListeners | Gets the list of classic CLB listeners | 20 |
| DescribeClassicalLBTargets | Gets the list of real servers bound to a classic CLB | 20 |
| DescribeClassicalLBHealthStatus | Gets the real server health status of a classic CLB | 20 |
| RegisterTargetsWithClassicalLB | Binds real servers to a classic CLB | 20 |
| DeregisterTargetsFromClassicalLB | Unbinds real servers from a classic CLB | 20 |
| DescribeClassicalLBByInstanceId | Queries the classic CLB bound to a real server | 20 |
| MigrateClassicalLoadBalancers | Upgrades Classic CLB instances to application CLB instances | 20 |
Load Balancing APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| DescribeBlockIPList | Queries the list of blocked IPs (blocklist) of a CLB instance | 20 |
| DescribeCustomizedConfigList | Querying configuration details | 20 |
| DescribeIdleLoadBalancers | Queries the list of CLB instances | 20 |
| DescribeLBListeners | Queries CLB instances bound to the CVM or ENI | 20 |
| DescribeLBOperateProtect | Query cloud load balancer operation protection | 20 |
| ModifyBlockIPList | Modifies the client IP blocklist of a CLB instance | 20 |
| ModifyCustomizedConfig | Modify personalized configuration | 20 |
| SetCustomizedConfigForLoadBalancer | Creates or manages user-defined CLB configuration template | 20 |
| AddCustomizedConfig | Add a personalized configuration | 20 |
| AssociateCustomizedConfig | Associate a personalized configuration | 20 |
| DeleteCustomizedConfig | Deletes a personalized configuration | 20 |
| DescribeCustomizedConfigAssociateList | Queries the bound server or location in configurations | 20 |
| DescribeLoadBalancerOverview | Queries the CLB instance status statistics | 20 |
| DisassociateCustomizedConfig | Disassociate a personalized configuration | 20 |
| InquiryPriceRefundLoadBalancer | Queries the refund amount of returning a CLB instance. | 20 |
| ModifyLoadBalancerSla | Adjust the performance capacity specification of an instance | 20 |
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