# GetDefaultCreditSpecification


Describes the default credit option for CPU usage of a burstable performance instance family.

For more information, see [Burstable performance instances](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/burstable-performance-instances.html) in the *Amazon EC2 User Guide*.

## 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](CommonParameters.md).

 **DryRun**   
Checks whether you have the required permissions for the operation, 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

 **InstanceFamily**   
The instance family.  
Type: String  
Valid Values: `t2 | t3 | t3a | t4g`   
Required: Yes

## Response Elements


The following elements are returned by the service.

 **instanceFamilyCreditSpecification**   
The default credit option for CPU usage of the instance family.  
Type: [InstanceFamilyCreditSpecification](API_InstanceFamilyCreditSpecification.md) object

 **requestId**   
The ID of the request.  
Type: String

## Errors


For information about the errors that are common to all actions, see [Common client error codes](errors-overview.md#CommonErrors).

## Examples


### Example


This example gets the default credit option for CPU usage of instances in the T2 instance family in the specified Region.

#### Sample Request


```
https://ec2.amazonaws.com/?Action=GetDefaultCreditSpecification
&Region=us-east-1
&InstanceFamily=t2
&AUTHPARAMS
```

#### Sample Response


```
<GetDefaultCreditSpecificationResponse xmlns="http://ec2.amazonaws.com/doc/2016-11-15/">
    <requestId>11111111-2222-3333-4444-5555EXAMPLE</requestId>
    <instanceFamilyCreditSpecification>
        <cpuCredits>unlimited</cpuCredits>
        <instanceFamily>t2</instanceFamily>
    </instanceFamilyCreditSpecification>
</GetDefaultCreditSpecificationResponse>
```

## See Also


For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/ec2-2016-11-15/GetDefaultCreditSpecification) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/ec2-2016-11-15/GetDefaultCreditSpecification) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/ec2-2016-11-15/GetDefaultCreditSpecification) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/ec2-2016-11-15/GetDefaultCreditSpecification) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/GetDefaultCreditSpecification) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/ec2-2016-11-15/GetDefaultCreditSpecification) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/ec2-2016-11-15/GetDefaultCreditSpecification) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/ec2-2016-11-15/GetDefaultCreditSpecification) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/ec2-2016-11-15/GetDefaultCreditSpecification) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/GetDefaultCreditSpecification)