If these files contain the API setup:
https://github.com/s1lentq/reapi/tre...reapi/src/mods
Then adding ReAPI support should be relatively simple. I'm already using CreateInterface for my API access code, so all i need to do is pass the game and engine's CreateInterface functions (if they have one), and add a module that exposes them.
Adding hooking code is probably a little more difficult, but it seems that it already provides the code for that, so i'll have to see about that.
I've never worked with ReAPI stuff so it might be best left for somebody else, i'll provide everything that's needed to make it work.