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v1

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

Modifies the Capacity Reservation settings for a stopped instance. Use this action to configure an instance to target a specific Capacity Reservation, run in any <code>open</code> Capacity Reservation with matching attributes, or run On-Demand Instance capacity.

get/#Action=ModifyInstanceCapacityReservationAttributes

Query parameters

InstanceIdstring required

The ID of the instance to be modified.

CapacityReservationPreference'open' | 'none'
<p>Indicates the instance's Capacity Reservation preferences. Possible preferences include:</p> <ul> <li> <p> <code>open</code> - The instance can run in any <code>open</code> Capacity Reservation that has matching attributes (instance type, platform, Availability Zone).</p> </li> <li> <p> <code>none</code> - The instance avoids running in a Capacity Reservation even if one is available. The instance runs as an On-Demand Instance.</p> </li> </ul>

Information about the Capacity Reservation targeting option.

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'ModifyInstanceCapacityReservationAttributes' required
Version'2016-11-15' required

Response

Success