DescribeReservedInstances - Amazon Elastic Compute Cloud


Describes one or more of the Reserved Instances that you purchased.

For more information about Reserved Instances, see Reserved Instances in the Amazon EC2 User Guide.


The order of the elements in the response, including those within nested structures, might vary. Applications should not assume the elements appear in a particular order.

Request Parameters

The following parameters are for this specific action. For more information about required and optional parameters that are common to all actions, see Common Query Parameters.


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 DryRunOperation. Otherwise, it is UnauthorizedOperation.

Type: Boolean

Required: No


One or more filters.

  • availability-zone - The Availability Zone where the Reserved Instance can be used.

  • duration - The duration of the Reserved Instance (one year or three years), in seconds (31536000 | 94608000).

  • end - The time when the Reserved Instance expires (for example, 2015-08-07T11:54:42.000Z).

  • fixed-price - The purchase price of the Reserved Instance (for example, 9800.0).

  • instance-type - The instance type that is covered by the reservation.

  • scope - The scope of the Reserved Instance (Region or Availability Zone).

  • product-description - The Reserved Instance product platform description (Linux/UNIX | Linux with SQL Server Standard | Linux with SQL Server Web | Linux with SQL Server Enterprise | SUSE Linux | Red Hat Enterprise Linux | Red Hat Enterprise Linux with HA | Windows | Windows with SQL Server Standard | Windows with SQL Server Web | Windows with SQL Server Enterprise).

  • reserved-instances-id - The ID of the Reserved Instance.

  • start - The time at which the Reserved Instance purchase request was placed (for example, 2014-08-07T11:54:42.000Z).

  • state - The state of the Reserved Instance (payment-pending | active | payment-failed | retired).

  • tag:<key> - The key/value combination of a tag assigned to the resource. Use the tag key in the filter name and the tag value as the filter value. For example, to find all resources that have a tag with the key Owner and the value TeamA, specify tag:Owner for the filter name and TeamA for the filter value.

  • tag-key - The key of a tag assigned to the resource. Use this filter to find all resources assigned a tag with a specific key, regardless of the tag value.

  • usage-price - The usage price of the Reserved Instance, per hour (for example, 0.84).

Type: Array of Filter objects

Required: No


Describes whether the Reserved Instance is Standard or Convertible.

Type: String

Valid Values: standard | convertible

Required: No


The Reserved Instance offering type. If you are using tools that predate the 2011-11-01 API version, you only have access to the Medium Utilization Reserved Instance offering type.

Type: String

Valid Values: Heavy Utilization | Medium Utilization | Light Utilization | No Upfront | Partial Upfront | All Upfront

Required: No


One or more Reserved Instance IDs.

Default: Describes all your Reserved Instances, or only those otherwise specified.

Type: Array of strings

Required: No

Response Elements

The following elements are returned by the service.


The ID of the request.

Type: String


A list of Reserved Instances.

Type: Array of ReservedInstances objects


For information about the errors that are common to all actions, see Common client error codes.



This example describes Reserved Instances owned by your account.

Sample Request &AUTHPARAMS

Sample Response

<DescribeReservedInstancesResponse xmlns=""> <requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId> <reservedInstancesSet> ... <item> <reservedInstancesId>e5a2ff3b-7d14-494f-90af-0b5d0EXAMPLE</reservedInstancesId> <instanceType>m1.xlarge</instanceType> <availabilityZone>us-east-1b</availabilityZone> <start>2015-07-14T11:00:00:00.000Z</start> <end>2016-07-13T1212:00:00:000Z</end> <duration>31536000</duration> <fixedPrice>0.0</fixedPrice> <usagePrice>0.034</usagePrice> <instanceCount>2</instanceCount> <productDescription>Linux/UNIX (Amazon VPC)</productDescription> <state>active</state> <instanceTenancy>default</instanceTenancy> <currencyCode>USD</currencyCode> <offeringType>Partial Upfront</offeringType> <recurringCharges> <item> <frequency>Hourly</frequency> <amount>0.05</amount> </item> </recurringCharges> <offeringClass>standard</offeringClass> <scope>AvailabilityZone</scope> </item> ... </reservedInstancesSet> </DescribeReservedInstancesResponse>


This example filters the response to include only one-year, m1.small Linux/UNIX Reserved Instances. If you want Linux/UNIX Reserved Instances specifically for use with a VPC, set the product description to Linux/UNIX (Amazon VPC).

Sample Request &Filter.1.Name=duration &Filter.1.Value.1=31536000 &Filter.2.Name=instance-type &Filter.2.Value.1=m1.small &Filter.3.Name=product-description &Filter.3.Value.1=Linux%2FUNIX &AUTHPARAMS

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: