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POST
Error

Authorizations

Authorization
string
header
required

A contact session token, uk_ct_…. Belongs to one of the developer's own users, and reads only that user's data.

Path Parameters

id
string<uuid>
required

Body

application/json
body_text
string
required
Maximum string length: 20000

Response

The message, as the contact sees it.

One line of a conversation, as the contact sees it: public messages only — an internal note never appears here — and no author_user_id, because which staff member answered is the team's own bookkeeping.

id
string<uuid>
author_kind
enum<string>
Available options:
contact,
agent,
ai,
system
body_text
string
body_html
string | null
created_at
string<date-time>