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POST
auth.user.create

Authorizations

Authorization
string
header
required

A Lath API key: lath_live_sk… or lath_test_sk… on a server, lath_live_pk… or lath_test_pk… in a browser.

Headers

Idempotency-Key
string

Replays the stored response for the same key and input; refuses different input.

Body

application/json
email
string<email>
Pattern: ^(?!\.)(?!.*\.\.)([A-Za-z0-9_'+\-\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\-]*\.)+[A-Za-z]{2,}$
phone
string
Pattern: ^\+[1-9]\d{6,14}$
displayName
string
Maximum string length: 120
locale
string | null

The user's language, e.g. 'fr' or 'pt-BR'. Sign-in and other templated messages use the variant for it. Null means unknown.

Maximum string length: 20
custom
object

Response

{ activityId, result }. activityId is empty for reads.

activityId
string
required

The activity this call created, or empty for a read.

result
object
required
Last modified on September 13, 2026