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Find User by Identifier (Authenticated)

POST 
/useractions-srv/userexistence

This API finds users by identifier (email, mobile_number, custom username field, sub, identityId, or providerUserId).

Backend API: This endpoint is designed for backend systems to check user existence and retrieve user information. It is not intended for use in web applications or frontend code.

Use Cases:

  • Check if a user exists before creating a new account
  • Retrieve user information by various identifiers
  • Validate user identifiers in backend workflows
  • Lookup users by external provider user IDs

Note: For web application user existence checks with webfinger redirection, use /useractions-srv/userexistence/{requestId} instead.

Required Roles: admin, secondary_admin, or user_read

Request​

Responses​

OK