---
title: "Start Ai Voice Session"
method: POST
path: "/ai-voice/start-session"
tags: ["ai-voice"]
---

# Start Ai Voice Session

`POST /ai-voice/start-session`

Start a new AI voice calling session.

The `user_id` form field is gone (2026-09-18 route-auth review): it was
the only thing that said whose call this was, so anybody could open a
ChaCha call on any account, spending that account's voice quota and
creating a CallSession attributed to them. AIVoiceCallInterface.jsx sends
the token on this path already (`fetchAPI` is `fetchWithAuth` outside
preview mode); the preview flow has its own `-preview` endpoint.

## Headers

- `authorization` string, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

## Changes

> 24 revisions in range; 1 not diffed.

- **2026-09-21** `13996d792e23` — 1 warning, 2 info
  - removed the request property `user_id`
  - added the new optional `header` request parameter `authorization`
  - request body became optional

[Change history](https://skmtc.dev/fluentea/apis/aurqa-language-learning-platform-refactored/changes/ai-voice/start-session/post.md)

---

[API](https://skmtc.dev/fluentea/apis/aurqa-language-learning-platform-refactored.md) · [All operations](https://skmtc.dev/fluentea/apis/aurqa-language-learning-platform-refactored/llms.txt) · [OpenAPI document](https://skmtc.dev/fluentea/apis/aurqa-language-learning-platform-refactored/revisions/ecd3f19d9e8b?raw)