Returns the credentials attached to an authentication token. This call must be signed, and is deprecated in favour of OAuth.


This method does not require authentication.


api_key (Required)
Your API application key. See here for more details.
auth_token (Required)
The authentication token to check.

Example Response

  <user nsid="12037949754@N01" username="Bees" fullname="Cal H" />

perms can have values of none, read, write or delete. For more information, see the Auth API spec.

Error Codes

98: Login failed / Invalid auth token
The login details or auth token passed were invalid.
100: Invalid API Key
The API key passed was not valid or has expired.
105: Service currently unavailable
The requested service is temporarily unavailable.
106: Write operation failed
The requested operation failed due to a temporary issue.
111: Format "xxx" not found
The requested response format was not found.
112: Method "xxx" not found
The requested method was not found.
114: Invalid SOAP envelope
The SOAP envelope send in the request could not be parsed.
115: Invalid XML-RPC Method Call
The XML-RPC request document could not be parsed.
116: Bad URL found
One or more arguments contained a URL that has been used for abuse on Flickr.

API Explorer

API Explorer : flickr.auth.checkToken