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POST
/
v1
/
chats
/
{id}
/
messages
Error
A valid request URL is required to generate request examples
{
  "message_id": "message_d8aad64dib2c7m3ae7jh",
  "created_at": "2026-05-26T10:15:30Z"
}

Documentation Index

Fetch the complete documentation index at: https://dev.chief.bot/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
X-API-Key
string
header
required

Personal Access Token, sent verbatim as pat_<32 chars>. PATs are minted from the Chief settings UI.

Headers

​
X-Project-Id
string
required

Project identifier scoping the request. Required on every project-scoped public endpoint. Missing or malformed values respond with HTTP 400 and code publicapi.tenancy.project.missing.

Pattern: ^project_[a-z0-9]{20}$

Path Parameters

​
id
string
required

Chat identifier.

Pattern: ^chat_[a-z0-9]{20}$

Body

application/json

Body for POST /v1/chats/{id}/messages — append a turn to an existing chat. The chat id comes from the path.

​
prompt
string
required

The user's message for this turn.

​
intelligence
enum<string>

Mode preset that controls model class and tool selection. Defaults to auto when omitted.

Available options:
auto,
fast,
expert,
research
​
provider
enum<string>

Biases model selection within the chosen intelligence mode toward a specific vendor.

Available options:
automatic,
anthropic,
openai,
google
​
skills
string[]

Skill names to pre-load before the LLM runs.

​
public_data
boolean

When false, disables the public-web-search tool for this turn. Omitting or sending true leaves the mode default in place.

​
scope
object

Optional. Narrows the knowledge the assistant may consult on this turn.

Response

Turn accepted; workflow running.

​
message_id
string
required

The new turn's id. Poll GET /v1/chats/{id}/messages/{message_id} to follow lifecycle.

Pattern: ^message_[a-z0-9]{20}$
​
created_at
string<date-time>
required