I can't seem to find a definitive answer on this, but I'm wondering whether the member ID for a LinkedIn user is always made of numbers. The documentation seems to indicate that that is the case, but I don't see a description that explicitly states that the member ID is only numbers.
Can anyone confirm this and link to the documentation that says this?
Thanks!
If you are talking about the Member Id that is returned via the API when making a GET https://api.linkedin.com/v1/people/~:(id), then that value can be made up of numbers or letters.