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POST
Send a support-channel message

Authorizations

Authorization
string
header
required

OAuth 2.1 authorization code + PKCE (S256). Tokens are tenant-bound (company_id) and scoped. Discover endpoints via /.well-known/oauth-authorization-server.

Headers

Idempotency-Key
string

Client-chosen key; replaying the same key + body returns the original response, a different body returns 409.

Path Parameters

id
string
required

The support channel id.

Body

application/json
content
string
required

Exact message text to send.

Required string length: 1 - 10000
attachment_ids
string[]

Optional messaging-provider file IDs already uploaded by the tenant.

Maximum array length: 10
Minimum string length: 1

Response

The message was delivered.

data
object
required