http://ec2.{region}.amazonaws.com/#Action=DescribeReservedInstancesModifications<p>Describes the modifications made to your Reserved Instances. If no parameter is specified, information about all your Reserved Instances modification requests is returned. If a modification ID is specified, only information about the specific modification is returned.</p> <p>For more information, see <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ri-modifying.html">Modifying Reserved Instances</a> in the <i>Amazon EC2 User Guide</i>.</p>
<p>One or more filters.</p> <ul> <li> <p> <code>client-token</code> - The idempotency token for the modification request.</p> </li> <li> <p> <code>create-date</code> - The time when the modification request was created.</p> </li> <li> <p> <code>effective-date</code> - The time when the modification becomes effective.</p> </li> <li> <p> <code>modification-result.reserved-instances-id</code> - The ID for the Reserved Instances created as part of the modification request. This ID is only available when the status of the modification is <code>fulfilled</code>.</p> </li> <li> <p> <code>modification-result.target-configuration.availability-zone</code> - The Availability Zone for the new Reserved Instances.</p> </li> <li> <p> <code>modification-result.target-configuration.instance-count </code> - The number of new Reserved Instances.</p> </li> <li> <p> <code>modification-result.target-configuration.instance-type</code> - The instance type of the new Reserved Instances.</p> </li> <li> <p> <code>modification-result.target-configuration.platform</code> - The network platform of the new Reserved Instances (<code>EC2-Classic</code> | <code>EC2-VPC</code>).</p> </li> <li> <p> <code>reserved-instances-id</code> - The ID of the Reserved Instances modified.</p> </li> <li> <p> <code>reserved-instances-modification-id</code> - The ID of the modification request.</p> </li> <li> <p> <code>status</code> - The status of the Reserved Instances modification request (<code>processing</code> | <code>fulfilled</code> | <code>failed</code>).</p> </li> <li> <p> <code>status-message</code> - The reason for the status.</p> </li> <li> <p> <code>update-date</code> - The time when the modification request was last updated.</p> </li> </ul>
IDs for the submitted modification request.
The token to retrieve the next page of results.
{
"success": true,
"data": {
"id": "abc123",
"created_at": "2025-01-01T00:00:00Z"
}
}{
"success": false,
"error": {
"code": "VALIDATION_ERROR",
"message": "Invalid request parameters"
}
}1curl --request GET \2 --url 'http://ec2.{region}.amazonaws.com/#Action=DescribeReservedInstancesModifications' \3 --header 'accept: application/json' \4 --header 'content-type: application/json'1{2 "success": true,3 "data": {4 "id": "abc123",5 "created_at": "2025-01-01T00:00:00Z"6 }7}http://ec2.{region}.amazonaws.com/#Action=DescribeReservedInstancesModifications<p>Describes the modifications made to your Reserved Instances. If no parameter is specified, information about all your Reserved Instances modification requests is returned. If a modification ID is specified, only information about the specific modification is returned.</p> <p>For more information, see <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ri-modifying.html">Modifying Reserved Instances</a> in the <i>Amazon EC2 User Guide</i>.</p>
<p>One or more filters.</p> <ul> <li> <p> <code>client-token</code> - The idempotency token for the modification request.</p> </li> <li> <p> <code>create-date</code> - The time when the modification request was created.</p> </li> <li> <p> <code>effective-date</code> - The time when the modification becomes effective.</p> </li> <li> <p> <code>modification-result.reserved-instances-id</code> - The ID for the Reserved Instances created as part of the modification request. This ID is only available when the status of the modification is <code>fulfilled</code>.</p> </li> <li> <p> <code>modification-result.target-configuration.availability-zone</code> - The Availability Zone for the new Reserved Instances.</p> </li> <li> <p> <code>modification-result.target-configuration.instance-count </code> - The number of new Reserved Instances.</p> </li> <li> <p> <code>modification-result.target-configuration.instance-type</code> - The instance type of the new Reserved Instances.</p> </li> <li> <p> <code>modification-result.target-configuration.platform</code> - The network platform of the new Reserved Instances (<code>EC2-Classic</code> | <code>EC2-VPC</code>).</p> </li> <li> <p> <code>reserved-instances-id</code> - The ID of the Reserved Instances modified.</p> </li> <li> <p> <code>reserved-instances-modification-id</code> - The ID of the modification request.</p> </li> <li> <p> <code>status</code> - The status of the Reserved Instances modification request (<code>processing</code> | <code>fulfilled</code> | <code>failed</code>).</p> </li> <li> <p> <code>status-message</code> - The reason for the status.</p> </li> <li> <p> <code>update-date</code> - The time when the modification request was last updated.</p> </li> </ul>
IDs for the submitted modification request.
The token to retrieve the next page of results.
{
"success": true,
"data": {
"id": "abc123",
"created_at": "2025-01-01T00:00:00Z"
}
}{
"success": false,
"error": {
"code": "VALIDATION_ERROR",
"message": "Invalid request parameters"
}
}1curl --request GET \2 --url 'http://ec2.{region}.amazonaws.com/#Action=DescribeReservedInstancesModifications' \3 --header 'accept: application/json' \4 --header 'content-type: application/json'1{2 "success": true,3 "data": {4 "id": "abc123",5 "created_at": "2025-01-01T00:00:00Z"6 }7}