Amadeusz Annissimo


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You need to set up OAuth in Twitter Developer dashboard. Go to Project & Apps -> Project Name -> App Name. Then:
OAuth Version: OAuth 1.0a
App permissions: Read and write
Callback URI / Redirect URL: http://localhost:3000/auth/twitter/callback
Website URL: e.g.

Posted in Rails for Beginners Part 12: Validations Discussion

Good suggestion, I have the same issue.