ARCHICAD 24 is supported cpython3.7 or later and RhinoInside.Cpython is already released as aitorlecea mentions above. You can easliy install RhinoInside.Cpython to using pip: archicad PyPl
What I’m doing in the my tweet above is just running the sample code Steve is showing here in ARCHICAD that creates the interpolated curve and returns its length.
Next, I’m hoping to do something with a combination of ARCHICAD’s API and RhinoInside