gives the Wolfram UUID of an authenticated user requesting the current evaluation.


  • If the current evaluation was not initiated by an authenticated user, $RequesterWolframUUID is None. This can occur, for example, if a desktop user has not authenticated against the cloud, or a cloud service not requiring authentication is being used.
  • A Wolfram UUID is a unique permanent identifier associated with a user.

ExamplesExamplesopen allclose all

Basic Examples  (1)Basic Examples  (1)

Deploy an API function that returns the requester Wolfram UUID:

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Get the Wolfram UUID that originated this request:

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Introduced in 2014