# Verifying a Token

#### Function

This API can be used by the administrator to verify the token of a user or used by a user to verify their token. The administrator can only verify the token of a user created using the account. If the verified token is valid, 200 is displayed.

#### URI

HEAD /v3/auth/tokens

#### Request Parameters

Table 1 Parameters in the request header
Parameter | Mandatory | Type | Description
--- | --- | --- | ---

X-Auth-Token

Yes

String

- To verify your own token, specify your token. There are no special requirements on the permissions that your token must have.
- To verify the token of another user under the same domain, use a token that has permissions of the Security Administrator policy.

X-Subject-Token | Yes | String | Token to be verified.

#### Response Parameters

None

#### Example Request

    curl -i -k -H "X-Auth-Token:$token" -H "X-Subject-Token:$token" -X HEAD https://sample.domain.com/v3/auth/tokens

#### Example Response

None

#### Status Codes

Status Code | Description
--- | ---
200 | The request is successful.
401 | Authentication failed.
404 | The requested resource cannot be found.
500 | The system is abnormal.

Parent topic: Token Management