v1

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

Cancels the specified Capacity Reservation, releases the reserved capacity, and changes the Capacity Reservation's state to cancelled.

Instances running in the reserved capacity continue running until you stop them. Stopped instances that target the Capacity Reservation can no longer launch. Modify these instances to either target a different Capacity Reservation, launch On-Demand Instance capacity, or run in any open Capacity Reservation that has matching attributes and sufficient capacity.

get/#Action=CancelCapacityReservation

Query parameters

CapacityReservationIdstring required

The ID of the Capacity Reservation to be cancelled.

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'CancelCapacityReservation' required
Version'2016-11-15' required

Response

Success