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POST
Error

Authorizations

Authorization
string
header
required

An organization API key, uk_sk_live_… or uk_sk_test_…. The environment is resolved from the stored key row on every request, never from a request parameter.

Body

application/json
external_id
string

The developer's own primary key for this person.

email
string<email>
anonymous_id
string

The device id captured before this person was known.

name
string
attribution
object

First touch, captured on the visitor at first load and preserved through a merge. All fields optional; empty means unknown.

Response

The contact already existed and was updated.

contact
object

One of the developer's own users — anonymous or identified.

created
boolean