Hi all,
Not sure if there any developers here who want to take a crack at the Halo 5 API, but I have taken some time to start migrating all the endpoints in a nice easy to use wrapper, so that all you need to do is provide your API Token and then just call any method. It's still a WIP, but adding to it daily! It's available on Github here
And on NuGet here
I am happy to answer any questions about it or help anyone get set up if they want data