# Amazon Q Business API operation metrics
<a name="qbusiness-metrics-api"></a>

The following table shows the API operation metrics that Amazon Q Business sends to CloudWatch.


| Metric name | Unit | Description | 
| --- | --- | --- | 
|  `success`  |  Count  |  The number of successful API operation calls. This metric is emitted for each successful API operation execution. Valid dimensions: `MethodType`, `ApplicationId`  | 
|  `failure`  |  Count  |  The number of failed API operation calls. This metric is emitted for each failed API operation execution. Valid dimensions: `MethodType`, `ApplicationId`  | 
|  `latency`  |  Milliseconds  |  The time taken to complete an API operation call. This metric measures the response time for individual API operations. Valid dimensions: `MethodType`, `ApplicationId`  | 

The `MethodType` dimension can include values such as:
+ `ListPlugins`
+ (Additional method types may be available depending on API usage)