XOOPS 2.5.6 is the current XOOPS API.

We hope this API Reference document will be helpful for you to understand better XOOPS API, and take advantage of it to develop awesome modules!

Please visit us at our main Website (http://xoops.org)  to learn more about XOOPS, and to participate in our Forums. We'll be happy to answer any questions you might have about XOOPS.