---
title: "Send Widget Message"
method: POST
path: "/api/v1/public/text-widget/sessions/{session_id}/message"
tags: ["text-widget-public"]
---

# Send Widget Message

`POST /api/v1/public/text-widget/sessions/{session_id}/message`

Send a visitor message and stream the AI response via SSE.

SSE events: status, token, tool_start, tool_end, done, error, heartbeat,
handoff_started, sub_agent_start, sub_agent_status, sub_agent_end.

## Path parameters

- `session_id` string, uuid, required

## Headers

- `X-Session-Token` string, required

## Request body

- TextMessageCreate — Schema for creating a visitor message in a text session.
  - `content` string, nullable
  - `attachments` object[], nullable
  - `selection_context` object, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/getanana/apis/cleon-api.md) · [All operations](https://skmtc.dev/getanana/apis/cleon-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/getanana/cleon-api/revisions/c0f54348e251/schema)