---
title: "Post Node Message"
method: POST
path: "/api/agent-chat/nodes/{node_id}/messages"
tags: ["AgentChat"]
---

# Post Node Message

`POST /api/agent-chat/nodes/{node_id}/messages`

Send a chat message to the node's agent. Persisted on the runtime side.

## Path parameters

- `node_id` string, required

## Request body

- ChatMessageRequest
  - `message` string, required
  - `connectors` string[]
  - `inputs` object
  - `model` string, nullable
  - `workflow_id` string, nullable
  - `agent_name` string, nullable
  - `is_coordinator` boolean
  - `is_browser_agent` boolean
  - `is_erp_workspace_agent` boolean
  - `workspace_agent` object

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/qomplement/apis/fastapi.md) · [All operations](https://skmtc.net/qomplement/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/qomplement/fastapi/versions/b6c76b02a94a/schema)