Authentication:

Yes (see here for details)

Arguments:

(required) string : publickey - the public key of an application
(required) string : token - the access token

Request Example:

http://www.bluemelon.com/api/rest/{api_sign}/
?method=bluemelon.users.gettree&publickey={publickey}&token={token}

Response Example:

<rsp status="ok" onrequest="bluemelon.users.gettree">
  <content>
    <category id="335" parentid="0" title="AsddsA" url="asddsa" date="2009-04-09">
      <album id="1472" title="RMI" url="rmi" date="2009-04-04" description="" accessmode="public" /> 
      <album id="1473" title="Private" url="private" date="2009-04-04" description="" accessmode="private" /> 
    </category>
    <category id="336" parentid="0" title="New Category" url="newcategory" date="2009-04-09" /> 
    <category id="340" parentid="0" title="xxx" url="xxx" date="2009-04-09" /> 
    <album id="1485" title="Lili" url="lili" date="2009-04-05" description="" accessmode="public" /> 
    <album id="1551" title="anewalbum" url="anewalbum" date="2009-04-09" description="" accessmode="public" /> 
    <album id="1557" title="xxxxx" url="xxxxx" date="2009-04-10" description="" accessmode="public" /> 
  </content>
</rsp>

Error Codes:

4 - "Missing parameter"
5 - "Invalid parameter"
9 - "User not found"
12 - "Application not found"
14 - "Invalid accessToken"
16 - "Access token timed out.You must relogin."
17 - "Invalid call signature size"
18 - "Invalid call signature"
20 - "Missing api_sign"
603 - "Account recently expired or deleted"