GET

/#Action=ModifyInstanceCapacityReservationAttributes

http://ec2.{region}.amazonaws.com/#Action=ModifyInstanceCapacityReservationAttributes

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.

Access Token Required: API Key

Query Params

InstanceIdstringrequired

The ID of the instance to be modified.

CapacityReservationSpecificationobjectrequired

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>.

Actionstringrequired

Allowed:

Versionstringrequired

Allowed:

Responses

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}

Language

CredentialsAPI KEY

API Key

Enter token below to save for later

cURL Request

1curl --request GET \
2     --url 'http://ec2.{region}.amazonaws.com/#Action=ModifyInstanceCapacityReservationAttributes' \
3     --header 'accept: application/json' \
4     --header 'content-type: application/json'

Response

1{
2  "success": true,
3  "data": {
4    "id": "abc123",
5    "created_at": "2025-01-01T00:00:00Z"
6  }
7}