Calm down Paul. I saw your question but didn't answer because I honestly wasn't sure. What I do know though is the APEC entry regulations differ depending on nationality. As a USA passport holder, the APEC card does nothing for me other than let me use the APEC/diplomatic/priority immigration lane, so it would be a 30 day visa exempt entry for me.
Other nationalities however do get special entry stamps, I believe 90 days. I think they're still classed as visa exempt entries, but again not sure enough to answer your question.