urlShort's API uses a simple URL request to the file ./api.php.

Creation

./api.php?url=http://mavrev.org/urlshort/api/
        results in
http://u.mavrev.com/05civ

Lookup

./api.php?url=http://u.mavrev.com/05civ
        results in
http://mavrev.org/urlshort/api/

urlShort's API can be used in a variety of ways including integration with Twitter services such as TwitterFeed, PowerTwitter, and TweetMeme, in bookmarklets, browser extensions, Ubiquity commands, and in other websites such as image hosts, Drupal-based websites, and forums.