I made the joke in my last job that REST actually stands for Reinvented Every Single Time, because we were working on our API and every bit of advice we read on

I made the joke in my last job that REST actually stands for Reinvented Every Single Time, because we were working on our API and every bit of advice we read on REST principals seemed to either contradict or disagree with others. In the end we made the API as REST(ful|ish) as possible and in places that we needed to be a little more flexible we tried to keep close to common practices. I think as long as your API is sane, easy to use, well documented (and tested), then users aren't going to care whether or not it is 100% RESTful.