When tagging my last couple of questions about registering for a key, I noticed there are two similar-looking tags:

  • - 35 uses and a tag wiki
  • - 10 uses (Update: retagged), no tag wiki
  • Do they both refer to the same thing?
  • Is "api key" the correct term we should all be using?
  • Should "app key" be made a tag synonym of "api key"? Should we just retag all the latter?
  • Or are there really two different concepts?

1 Answer 1


Answer: Yes they are the same.
Officially now, since app-key was made a synonym of .

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