---
title: "Upload Audio"
method: POST
path: "/demo-homework-helper/{exercise_id}/audio"
tags: ["Demo Homework Helper"]
---

# Upload Audio

`POST /demo-homework-helper/{exercise_id}/audio`

Transcribe user audio => store transcript in ephemeral conversation_history (demo).
Uses base64 encoded content for compatibility with both web and mobile.

## Path parameters

- `exercise_id` string, required

## Query parameters

- `session_id` string, required — Demo session ID

## Request body

- AudioUploadRequest
  - `file_content` string, required
  - `file_name` string, required
  - `content_type` string, required

## Response `200`

Successful Response

- RoutersDemoHomeworkHelperBasicResponse
  - `status` string, required
  - `message` string, required
  - `data` object, nullable
  - `transcript` string, nullable
  - `url` string, nullable

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/excellence-ai/apis/excellence-learning.md) · [All operations](https://skmtc.dev/excellence-ai/apis/excellence-learning/llms.txt) · [OpenAPI document](https://skmtc.dev/excellence-ai/apis/excellence-learning/revisions/2a0c1636fd3b?raw)