@avinashk I'm probably being naive here but looking at your error message .. the end point is:

api/2.0/genie/spaces ...

Your request is missing "2.0" and "genie" is: http://localhost:3000/api/spaces/01f0xxxxxx55/conversations/01f0xxxxxxx3cae/messages/01f0xxxxxxx8ab9

Worth checking this?

All the best,
BS