---
title: "Chat with Jr."
method: POST
path: "/v1/jr/chat"
tags: ["Jr. (COO Engine)"]
---

# Chat with Jr.

`POST /v1/jr/chat`

## Request

- Base URL: `https://api.theagentc.io` (the document declares no server; this is the origin it was published from)
- URL: `https://api.theagentc.io/v1/jr/chat`
- Auth: HTTP bearer

Send a message to Jr., the creative director. Single JSON response. Token-metered: 1 credit per 10k tokens accrued across messages.

## Request body

- ChatRequest: Request to send a message to Jr. brand_id is a legacy AI-COO field — accepted and ignored so old clients don't break; Jr.'s context now comes from the workspace's apps.
  - `brand_id` string, nullable: Legacy, ignored
  - `message` string, required: User message
  - `session_id` string, nullable: Existing session UUID to continue. Omit for new session.

## Response `200`

Successful Response

- object

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/theagentc/apis/the-agent-c-api.md) · [All operations](https://skmtc.dev/theagentc/apis/the-agent-c-api/llms.txt) · [OpenAPI document](https://skmtc.dev/theagentc/apis/the-agent-c-api/revisions/1c9868b44584?raw)