# InstanceMetadataOptionsRequest
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The metadata options for the instance.

## Contents
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 ** HttpEndpoint **   
Enables or disables the HTTP metadata endpoint on your instances.  
If you specify a value of `disabled`, you cannot access your instance metadata.  
Default: `enabled`   
Type: String  
Valid Values: `disabled | enabled`   
Required: No

 ** HttpProtocolIpv6 **   
Enables or disables the IPv6 endpoint for the instance metadata service.  
Default: `disabled`   
Type: String  
Valid Values: `disabled | enabled`   
Required: No

 ** HttpPutResponseHopLimit **   
The maximum number of hops that the metadata token can travel.  
Possible values: Integers from 1 to 64  
Type: Integer  
Required: No

 ** HttpTokens **   
Indicates whether IMDSv2 is required.  
+  `optional` - IMDSv2 is optional, which means that you can use either IMDSv2 or IMDSv1.
+  `required` - IMDSv2 is required, which means that IMDSv1 is disabled, and you must use IMDSv2.
Default:  
+ If the value of `ImdsSupport` for the Amazon Machine Image (AMI) for your instance is `v2.0` and the account level default is set to `no-preference`, the default is `required`.
+ If the value of `ImdsSupport` for the Amazon Machine Image (AMI) for your instance is `v2.0`, but the account level default is set to `V1 or V2`, the default is `optional`.
The default value can also be affected by other combinations of parameters. For more information, see [Order of precedence for instance metadata options](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/configuring-instance-metadata-options.html#instance-metadata-options-order-of-precedence) in the *Amazon EC2 User Guide*.  
Type: String  
Valid Values: `optional | required`   
Required: No

 ** InstanceMetadataTags **   
Set to `enabled` to allow access to instance tags from the instance metadata. Set to `disabled` to turn off access to instance tags from the instance metadata. For more information, see [View tags for your EC2 instances using instance metadata](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/work-with-tags-in-IMDS.html).  
Default: `disabled`   
Type: String  
Valid Values: `disabled | enabled`   
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/ec2-2016-11-15/InstanceMetadataOptionsRequest) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/InstanceMetadataOptionsRequest) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/InstanceMetadataOptionsRequest)