I plan to implement downvoting but I'm not sure of the logic involved (I don't have enough karma to test it myself). Probably I'll add it to a beta channel and let users help test it.
Performance can be laggy and is something I'm trying to improve.
Performance can be laggy and is something I'm trying to improve.
There's also a "/flag" call with only "id" and "auth" to flag comments / articles. (with "un=t" it unflags) The link says "flag" or "unflag".