API Gateway Metrics

This section describes the metrics that API Gateway reports to the Cloud Eye service. You can view metrics and alarms by using the Cloud Eye console.

Shared gateway: SYS.APIG

**Table 1** Shared gateway metrics
Metric ID	Metric Name	Description	Value Range	Monitored Object and Dimension	Monitoring Interval (Minute)
avg_latency	Average Latency	Average latency of the API.	≥ 0 Unit: ms	Monitored object: an API Dimension: api_id	1
input_throughput	Incoming Traffic	Incoming traffic of the API.	≥ 0 Unit: Byte, KB, MB, or GB	Monitored object: an API Dimension: api_id	1
max_latency	Maximum Latency	Maximum latency of the API.	≥ 0 Unit: ms	Monitored object: an API Dimension: api_id	1
output_throughput	Outgoing Traffic	Outgoing traffic of the API.	≥ 0 Unit: Byte, KB, MB, or GB	Monitored object: an API Dimension: api_id	1
req_count	Requests	Number of times that the API has been called.	≥ 0	Monitored object: an API Dimension: api_id	1
req_count_2xx	2xx Responses	Number of times that the API returns a 2xx response.	≥ 0	Monitored object: an API Dimension: api_id	1
req_count_4xx	4xx Errors	Number of times that the API returns a 4xx error.	≥ 0	Monitored object: an API Dimension: api_id	1
req_count_5xx	5xx Errors	Number of times that the API returns a 5xx error.	≥ 0	Monitored object: an API Dimension: api_id	1
req_count_error	Total Errors	Total number of errors returned by the API.	≥ 0	Monitored object: an API Dimension: api_id	1