The Yoplink API is fully free and available without any registration.
You can use it to create new applications or to complete existing ones. The only limit is your imagination.
On this page you can find the documentation of the 3 main functions of this API which will allow you to create new links, expand existing ones and check if a yoplink user exists or not.
This function allows you to create a new Yoplink and returns the produced link.
http://api.yoplink.com/create.php?url=http://www.google.fr
//will return a new link with the minimum amount of information
http://api.yoplink.com/create.php?id=9406357712585392&url=http://www.google.fr
//will return a new link with the adsense ID specified
This function allows you to expand a Yoplink URL to it's original URL and returns the original link.
http://api.yoplink.com/get.php?id=500
//will return the original link of the following Yoplink : http://www.yoplink.com/500
http://api.yoplink.com/get.php?id=http://www.yoplink.com/500
//will return the same link as the previous function
This function allows you to check whereas the user exists or not in our database. For obvious security reasons it's limited to 3 tests per user per hour.
http://api.yoplink.com/user.php?user=toto&psswd=f71dbe52628a3f83a77ab494817525c6
//will return true if the user toto/toto exists (he doesn't)