Audiotool has some undocumented APIs. Here is a list of it, in class you wanna build some kewl apps :>

Audiotool Discovered APIs

Discovered Audiotool API URIs: 

	--Login: http://api.audiotool.com/users/login/
	**  Method 		: GET
	**  Parameters	: username, password
	**  Return Type : XML
					<session>
						<key> ... </key>
						<created> {Epoch} </created> <modified> {Epoch} </modified>
						<user>
							...
						</user>
					</session>
	
	--Me: http://api.audiotool.com/users/me/
	** Method		: GET
	** Parameters	: n/a
	** Requirements : Logged in or with cular-session.
	** Return Type	: XML
					<user>
						<key/> <name/> <email/> <rank/>{float} <activated/>{bool} <registered/>{epoch} <last-login/>{epoch}
						<description/> <sampleUpload/>{bool}
						<avatarURL/>
						<domain>
							<url/> <key/> <name/>
						</domain>
					</user>
					
	-- Author Directories: http://api.audiotool.com/browse/user/{username}/
	** Method		: GET
	** Return Type	: XML
					<dir image="{img-uri}" title subtitle large-image>
						<dir uri title/>
					</dir>
					
	-- Author Tracks: http://api.audiotool.com/browse/user/{username}/tracks/
	** Method		: GET
	** Return Type	: XML
					<dir image="{img-uri}" title subtitle large-image>
						<track duration key user-name image title user-key/>
					</dir>
	
	-- Track: http://api.audiotool.com/{track}/eds/
	** Method		: GET
	** Return Type	: XML
					<track> ... </track>
					
	-- Favorite Track: http://api.audiotool.com/track/{track}/favorite/
	** Method		: GET
	** Return		: </yey> if success
					  <error id="0">Internal error</error> if already favorited
					  
	-- Unfavorite/ToggleFav Track: http://api.audiotool.com/track/{track}/unfavorite/
	** Method		: GET
	** Return		: </yey> always return. 

There are several more APIs nested in these, but I'm not going into details because they're similar and would just fill this gist too long. Sorry for the Indentation, too. I think either Notepad++ has indented this text too much or I've set up this GitHub's Gist indentation wrongly.