---
title: "Transcribe"
method: POST
path: "/student/drill/voice/transcribe"
tags: ["daily-drill"]
---

# Transcribe

`POST /student/drill/voice/transcribe`

## Request

- Base URL: `https://api.excellence-ai.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.excellence-ai.com/student/drill/voice/transcribe`
- Auth: OAuth 2 (password, token URL `api/login`)

## Request body

- DrillTranscribeRequest
  - `audio` string, required: WAV 16 kHz mono, base64
  - `attempt_id` string, nullable
  - `index` integer, nullable

## Response `200`

Successful Response

- DrillTranscribeResponse
  - `transcript` string, required
  - `expr` string, nullable, required
  - `model` string, required
  - `ms` integer, required

## Other responses

- `403`: Not authorized for this resource
- `409`: Business rule violated
- `422`: Validation Error
- `502`: Upstream LLM returned unusable output

## Changes

> 55 revisions in range; 1 not diffed.

- **2026-10-15** `7925dd21e4d0`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/excellence-ai/apis/excellence-learning/changes/student/drill/voice/transcribe/post.md)

---

[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/379e4a57dee8?raw)