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Custom User ID Assignment with Actions — Early Access

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Auth0·Sep 17, 2026, 12:00 AMFeatureAI-assisted summary

Summary

Added ability to assign custom user_id during signup via api.user.setUserId() in a pre‑user‑registration Action.
Supported for database connections, Universal Login, Auth API signup, and Management API create user; not available for passwordless, social, enterprise, or bulk import.
Feature is in Early Access and may change.

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Official source Last checked Aug 4, 2026, 9:02 AM

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