<p>Retrieves the reservation coverage for your account, which you can use to see how much of your Amazon Elastic Compute Cloud, Amazon ElastiCache, Amazon Relational Database Service, or Amazon Redshift usage is covered by a reservation. An organization's management account can see the coverage of the associated member accounts. This supports dimensions, Cost Categories, and nested expressions. For any time period, you can filter data about reservation usage by the following dimensions:</p> <ul> <li> <p>AZ</p> </li> <li> <p>CACHE_ENGINE</p> </li> <li> <p>DATABASE_ENGINE</p> </li> <li> <p>DEPLOYMENT_OPTION</p> </li> <li> <p>INSTANCE_TYPE</p> </li> <li> <p>LINKED_ACCOUNT</p> </li> <li> <p>OPERATING_SYSTEM</p> </li> <li> <p>PLATFORM</p> </li> <li> <p>REGION</p> </li> <li> <p>SERVICE</p> </li> <li> <p>TAG</p> </li> <li> <p>TENANCY</p> </li> </ul> <p>To determine valid values for a dimension, use the <code>GetDimensionValues</code> operation. </p>

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

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