Tiki can support wiki page updates (or data for most features in Tiki) by setting up data channels at this time. Adding a web service call to do it more directly would not be very hard so you can join in and get your commit access!
From tiki-admin.php, you can activate: "HTTP Basic Authentication: Check credentials from HTTP Basic Authentication, useful to allow webservices to use credentials." Related: Token Access
On this #tikiexpresstutorial, using #tiki19 I’ll show you:
How to enable a feature from the Control Panels
How to enable a Global Feature from the features panel
How to enable an Interface feature
A quick overview of the Programmer features
And where to look for feature options