Menu
AWS Security Token Service
API Reference (API Version 2011-06-15)

GetCallerIdentity

Returns details about the IAM identity whose credentials are used to call the API.

Response Elements

The following elements are returned by the service.

Account

The AWS account ID number of the account that owns or contains the calling entity.

Type: String

Arn

The AWS ARN associated with the calling entity.

Type: String

Length Constraints: Minimum length of 20. Maximum length of 2048.

Pattern: [\u0009\u000A\u000D\u0020-\u007E\u0085\u00A0-\uD7FF\uE000-\uFFFD\u10000-\u10FFFF]+

UserId

The unique identifier of the calling entity. The exact value depends on the type of entity making the call. The values returned are those listed in the aws:userid column in the Principal table found on the Policy Variables reference page in the IAM User Guide.

Type: String

Errors

For information about the errors that are common to all actions, see Common Errors.

Examples

Example 1 - Called by an IAM user.

This example shows a request and response made with the credentials for a user named Alice in the AWS account 123456789012.

Sample Request

POST / HTTP/1.1
Host: sts.amazonaws.com
Accept-Encoding: identity
Content-Length: 32
Content-Type: application/x-www-form-urlencoded
Authorization: AWS4-HMAC-SHA256 Credential=AKIAI44QH8DHBEXAMPLE/20160126/us-east-1/sts/aws4_request,
        SignedHeaders=host;user-agent;x-amz-date, 
        Signature=1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef
X-Amz-Date: 20160126T215751Z
User-Agent: aws-cli/1.10.0 Python/2.7.3 Linux/3.13.0-76-generic botocore/1.3.22

Action=GetCallerIdentity&Version=2011-06-15

Sample Response

HTTP/1.1 200 OK
x-amzn-RequestId: 01234567-89ab-cdef-0123-456789abcdef
Content-Type: text/xml
Content-Length: 357
Date: Tue, 26 Jan 2016 21:57:47 GMT

<GetCallerIdentityResponse xmlns="https://sts.amazonaws.com/doc/2011-06-15/">
  <GetCallerIdentityResult>
   <Arn>arn:aws:iam::123456789012:user/Alice</Arn>
    <UserId>AKIAI44QH8DHBEXAMPLE</UserId>
    <Account>123456789012</Account>
  </GetCallerIdentityResult>
  <ResponseMetadata>
    <RequestId>01234567-89ab-cdef-0123-456789abcdef</RequestId>
  </ResponseMetadata>
</GetCallerIdentityResponse>

Example 2 - Called by federated user created with AssumeRole.

This example shows a request and response made with temporary credentials created by AssumeRole. The name of the assumed role is my-role-name, and the RoleSessionName is set to my-role-session-name.

Sample Request


POST / HTTP/1.1
Host: sts.amazonaws.com
Accept-Encoding: identity
Content-Length: 43
X-Amz-Date: 20160301T213302Z
User-Agent: aws-cli/1.10.0 Python/2.7.3 Linux/3.13.0-79-generic botocore/1.3.22
X-Amz-Security-Token:<REDACTED> 
Content-Type: application/x-www-form-urlencoded
Authorization: AWS4-HMAC-SHA256 Credential=AKIAI44QH8DHBEXAMPLE/20160301/us-east-1/sts/aws4_request,
        SignedHeaders=host;user-agent;x-amz-date;x-amz-security-token,
        Signature=1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef
          
Action=GetCallerIdentity&Version=2011-06-15

Sample Response

HTTP/1.1 200 OK
x-amzn-RequestId: 01234567-89ab-cdef-0123-456789abcdef
Content-Type: text/xml
Content-Length: 438
Date: Tue, 01 Mar 2016 21:32:59 GMT
          
<GetCallerIdentityResponse xmlns="https://sts.amazonaws.com/doc/2011-06-15/">
  <GetCallerIdentityResult>
    <Arn>arn:aws:sts::123456789012:assumed-role/my-role-name/my-role-session-name</Arn>
    <UserId>AKIAI44QH8DHBEXAMPLE:my-role-session-name</UserId>
    <Account>123456789012</Account>
  </GetCallerIdentityResult>
  <ResponseMetadata>
    <RequestId>01234567-89ab-cdef-0123-456789abcdef</RequestId>
  </ResponseMetadata>
</GetCallerIdentityResponse>

Example 3 - Called by federated user created with GetFederationToken.

This example shows a request and response made with temporary credentials created by using GetFederationToken. The Name parameter is set to my-federated-user-name.

Sample Request

POST / HTTP/1.1
Host: sts.amazonaws.com
Accept-Encoding: identity
Content-Length: 43
X-Amz-Date: 20160301T215108Z
User-Agent: aws-cli/1.10.0 Python/2.7.3 Linux/3.13.0-79-generic botocore/1.3.22
X-Amz-Security-Token:<REDACTED> 
Content-Type: application/x-www-form-urlencoded
Authorization: AWS4-HMAC-SHA256 Credential=AKIAI44QH8DHBEXAMPLE/20160301/us-east-1/sts/aws4_request,
        SignedHeaders=host;user-agent;x-amz-date;x-amz-security-token,
        Signature=1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef

Action=GetCallerIdentity&Version=2011-06-15

Sample Response

HTTP/1.1 200 OK
x-amzn-RequestId: 01234567-89ab-cdef-0123-456789abcdef
Content-Type: text/xml
Content-Length: 437
Date: Tue, 01 Mar 2016 21:51:06 GMT

<GetCallerIdentityResponse xmlns="https://sts.amazonaws.com/doc/2011-06-15/">
  <GetCallerIdentityResult>
    <Arn>arn:aws:sts::123456789012:federated-user/my-federated-user-name</Arn>
    <UserId>123456789012:my-federated-user-name</UserId>
    <Account>123456789012</Account>
  </GetCallerIdentityResult>
  <ResponseMetadata>
    <RequestId>01234567-89ab-cdef-0123-456789abcdef</RequestId>
  </ResponseMetadata>
</GetCallerIdentityResponse>

See Also

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