> ## Documentation Index
> Fetch the complete documentation index at: https://www.plain.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# createAccount

> Creates a new account. Fails with a validation error if an account already exists with the provided `externalId`.
Use `upsertAccount` instead if you want to create or update an account idempotently.
Requires the `tenant:create` permission.



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