you can work it, with or with out user name and API keys, It is almost same like bit.ly
1. simpleshorten – It returns the result url alone
http://su.pr/api?url=http://krishnan.co.in/blog Result will be - http://su.pr/3yWcxt
2. You can use the User name and API key so that this will display in your account
http://su.pr/api/simpleshorten?longUrl=LONG URL&login=LOGIN NAME&apiKey=API KEY and you can add the response type like &format=xml at the end
3. You can create a su.pr url and can post to Twitter and face book
http://su.pr/api/post?msg=Hello World! http:///www.stumbleupon.com&services;[]=twitter&services;[]=facebook×tamp=499162800&login=yourusername&apiKey=yourapikey
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