I am having the same issue, if anyone is able to help out that would be
great!
Hope: Have you been able to solve this issue?
-Riley
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How would I go about converting a large number of usernames (300+) to
userids? My plan is to use user/follow, which uses userids. I have
tried using users/lookup (http://dev.twitter.com/doc/get/users/
lookup), but I need the OAuth of the users I am looking up, which I
don't have. I could use user/