Are AdWords Keyword/AdGroup/Campaign IDs unique across multiple accounts?

Question

In the Google AdWords API, I believe Keyword IDs and AdGroup IDs (and obviously Campaign IDs) are unique within an account (as opposed to the Keyword ID only being unique within

Answer 1

I've always found them to be unique, but you shouldn't count on it because Google doesn't actually guarantee that they are. I asked the same question in the official AdWords API forum a few years ago:

http://groups.google.com/group/adwords-api/browse_thread/thread/5383edba772b7b6c/548e04f54b1d4a74?hl=en&q=#548e04f54b1d4a74