# SessionCredentials
<a name="API_SessionCredentials"></a>

The established temporary security credentials of the session.

**Note**  
 **Directory buckets** - These session credentials are only supported for the authentication and authorization of Zonal endpoint API operations on directory buckets.

## Contents
<a name="API_SessionCredentials_Contents"></a>

 ** AccessKeyId **   <a name="AmazonS3-Type-SessionCredentials-AccessKeyId"></a>
A unique identifier that's associated with a secret access key. The access key ID and the secret access key are used together to sign programmatic AWS requests cryptographically.   
Type: String  
Required: Yes

 ** Expiration **   <a name="AmazonS3-Type-SessionCredentials-Expiration"></a>
Temporary security credentials expire after a specified interval. After temporary credentials expire, any calls that you make with those credentials will fail. So you must generate a new set of temporary credentials. Temporary credentials cannot be extended or refreshed beyond the original specified interval.  
Type: Timestamp  
Required: Yes

 ** SecretAccessKey **   <a name="AmazonS3-Type-SessionCredentials-SecretAccessKey"></a>
A key that's used with the access key ID to cryptographically sign programmatic AWS requests. Signing a request identifies the sender and prevents the request from being altered.   
Type: String  
Required: Yes

 ** SessionToken **   <a name="AmazonS3-Type-SessionCredentials-SessionToken"></a>
A part of the temporary security credentials. The session token is used to validate the temporary security credentials.   
Type: String  
Required: Yes

## See Also
<a name="API_SessionCredentials_SeeAlso"></a>

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/s3-2006-03-01/SessionCredentials) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/s3-2006-03-01/SessionCredentials) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/s3-2006-03-01/SessionCredentials)