---
title: "Generate missing audio from saved source text, translations, speakers and timing"
method: POST
path: "/v2/drafts/{draftId}/audio"
tags: ["Reviewed dubbing"]
---

# Generate missing audio from saved source text, translations, speakers and timing

`POST /v2/drafts/{draftId}/audio`

## Request

- Base URL: `https://api.sync.so`
- URL: `https://api.sync.so/v2/drafts/{draftId}/audio`
- Auth: API key in header `x-api-key`

## Path parameters

- `draftId` string, required

## Request body

- PrepareReviewAudioDto
  - `expectedVersion` integer, required
  - `targetLang` string, required
  - `sourceLang` string
  - `requestKey` string, uuid, required

## Response `201`

- ReviewAudioJobDto
  - `id` string, uuid, required
  - `status` string, required
  - `error` string, nullable, required
  - `estimate` object, nullable, required
    - `estimatedDurationSeconds` number, required
    - `estimatedFinishAt` string, date-time, required
    - `delayedAt` string, date-time, required
    - `supportAt` string, date-time, required
    - `serverTime` string, date-time, required
    - `sampleCount` integer, required

## Changes

- **2026-11-05** `26662c96c138`: 1 info
  - added the required property `estimate` to the response with the `201` status
- **2026-10-19** `f2122591bafb`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/sync/apis/sync-api-v2/changes/v2/drafts/:draftId/audio/post.md)

---

[API](https://skmtc.dev/sync/apis/sync-api-v2.md) - [All operations](https://skmtc.dev/sync/apis/sync-api-v2/llms.txt) - [OpenAPI document](https://skmtc.dev/sync/apis/sync-api-v2/revisions/26662c96c138?raw)