Adds a member to our system and sets their basic demographic information.
This endpoint requires Authentication.
The response status will be
201: Created on success, or an appropriate Error Response.
This request requires an appropriately encoded request body with the data elements marked for POST on the Members resource. Be sure to specify the
Content-Version header matching the version of the resource being provided.
All POST-able fields must be included in the request body. A value of
null may be used for any optional data elements.