---
title: "Stream assistant response via SSE"
method: POST
path: "/v1/chat/conversations/{id}/messages/stream"
tags: ["chat"]
---

# Stream assistant response via SSE

`POST /v1/chat/conversations/{id}/messages/stream`

## Request

- Base URL: `https://api.sprixen.com`
- URL: `https://api.sprixen.com/v1/chat/conversations/{id}/messages/stream`
- Auth: `bearer` (a scheme the document does not define)

Sends a user message and streams SSE events for each step of the agentic loop. Events: message_saved, thinking, tool_start, tool_complete, text, done, error, ping. Does not support image uploads.

## Path parameters

- `id` string, required

## Request body

- object
  - `content` string, required: Message text

## Response `200`

SSE stream of assistant events

## Other responses

- `400`: No text provided
- `403`: Access denied
- `404`: Conversation not found

---

[API](https://skmtc.dev/sprixen/apis/sprixen-api.md) · [All operations](https://skmtc.dev/sprixen/apis/sprixen-api/llms.txt) · [OpenAPI document](https://skmtc.dev/sprixen/apis/sprixen-api/revisions/6c0c57f6da58?raw)