Yeah, it's because of the way Flask-RESTful has you register resources.
https://github.com/cosmoharrigan/opencog/blob/ae59bfe08be4a45abd0c8dd99f7f8e286cf83e8f/opencog/python/web/api/apimain.py#L39

I even asked them about it:
https://github.com/twilio/flask-restful/issues/134