> ## 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.

# importAccounts

> Upsert up to 25 accounts from an external system using their externalId for idempotency. Optionally include account field values to sync custom fields alongside the account record. Returns an ImportResult with added, updated, and skipped counts.



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