v1

latestOpenAPI 3.0.0Apache 2.0 License2026-07-171,1822,9897.4 MB

Enables detailed monitoring for a running instance. Otherwise, basic monitoring is enabled. For more information, see Monitor your instances using CloudWatch in the Amazon EC2 User Guide.

To disable detailed monitoring, see UnmonitorInstances.

get/#Action=MonitorInstances

Query parameters

InstanceIdstring[] required

The IDs of the instances.

DryRunboolean

Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is <code>DryRunOperation</code>. Otherwise, it is <code>UnauthorizedOperation</code>.

Action'MonitorInstances' required
Version'2016-11-15' required

Response

Success