Hmm.....I'm using Postman (google chrome app). However, if I issue that request using curl, it works. I'm not sure what the difference is....all the other apis seem to work just fine from postman.
Wow....I'm an idiot. I had a saved query in postman with a typo in it. I guess I need to turn my resolution down a bit so I can see better. Sorry for the bother!