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POST
Add a message to a comment thread
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Authorizations

Authorization
string
header
required

Personal API key, e.g. Authorization: Bearer sajn_sk_.... Not scope-limited — acts as the issuing user.

Headers

authorization
string
required

Bearer token for API authentication

Idempotency-Key
string

Makes retries safe. A retry with the same key and the same request replays the stored response for 24 hours (header Idempotent-Replayed: true); the same key with a different request returns 400.

Maximum string length: 255

Path Parameters

id
string
required
threadId
string
required

Body

application/json

Body

body
string
required

Message body

Minimum string length: 1
parentMessageId
string | null

Reply to a specific message in the thread

mentions
string[]

User IDs mentioned in the message

Response

200

id
string
required
threadId
string
required
parentId
string | null
required
authorType
enum<string>
required
Available options:
USER,
AI,
SIGNER
body
string
required
mentions
string[]
required
createdAt
any
required
editedAt
unknown
required
deletedAt
unknown
required
author
object | null
required