# Use `CancelCapacityReservation` with a CLI
<a name="example_ec2_CancelCapacityReservation_section"></a>

The following code examples show how to use `CancelCapacityReservation`.

------
#### [ CLI ]

**AWS CLI**  
**To cancel a capacity reservation**  
The following `cancel-capacity-reservation` example cancels the specified capacity reservation.  

```
aws ec2 cancel-capacity-reservation \
    --capacity-reservation-id cr-1234abcd56EXAMPLE
```
Output:  

```
{
    "Return": true
}
```
For more information, see [Cancel a Capacity Reservation](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/capacity-reservations-release.html) in the *Amazon EC2 User Guide*.  
+  For API details, see [CancelCapacityReservation](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ec2/cancel-capacity-reservation.html) in *AWS CLI Command Reference*. 

------
#### [ PowerShell ]

**Tools for PowerShell V4**  
**Example 1: This example cancels the capacity reservation cr-0c1f2345db6f7cdba**  

```
Remove-EC2CapacityReservation -CapacityReservationId cr-0c1f2345db6f7cdba
```
**Output:**  

```
Confirm
Are you sure you want to perform this action?
Performing the operation "Remove-EC2CapacityReservation (CancelCapacityReservation)" on target "cr-0c1f2345db6f7cdba".
[Y] Yes  [A] Yes to All  [N] No  [L] No to All  [S] Suspend  [?] Help (default is "Y"): y
True
```
+  For API details, see [CancelCapacityReservation](https://docs.aws.amazon.com/powershell/v4/reference) in *AWS Tools for PowerShell Cmdlet Reference (V4)*. 

**Tools for PowerShell V5**  
**Example 1: This example cancels the capacity reservation cr-0c1f2345db6f7cdba**  

```
Remove-EC2CapacityReservation -CapacityReservationId cr-0c1f2345db6f7cdba
```
**Output:**  

```
Confirm
Are you sure you want to perform this action?
Performing the operation "Remove-EC2CapacityReservation (CancelCapacityReservation)" on target "cr-0c1f2345db6f7cdba".
[Y] Yes  [A] Yes to All  [N] No  [L] No to All  [S] Suspend  [?] Help (default is "Y"): y
True
```
+  For API details, see [CancelCapacityReservation](https://docs.aws.amazon.com/powershell/v5/reference) in *AWS Tools for PowerShell Cmdlet Reference (V5)*. 

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For a complete list of AWS SDK developer guides and code examples, see [Create Amazon EC2 resources using an AWS SDK](sdk-general-information-section.md). This topic also includes information about getting started and details about previous SDK versions.