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Username rules

What names you can and can't use.

Updated October 30, 2026

  • 4 to 28 characters.
  • Letters and numbers, with at most one period that isn't first or last.

Reserved names

Words we use for the app and brand can't be claimed, like admin, studio, help, docs, blog, pricing, login, settings and sitemoon.

Not allowed

Slurs, sexual or hateful words (including spaced or number-swapped versions), and names that look like a verified account.

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