---
title: "Lip-sync a translated video"
method: POST
path: "/actions/lipsync_create"
tags: ["translations"]
---

# Lip-sync a translated video

`POST /actions/lipsync_create`

## Request

- Base URL: `https://api.voicecheap.ai/v1`
- URL: `https://api.voicecheap.ai/v1/actions/lipsync_create`
- Auth: one of:
  - API key in header `x-api-key`
  - HTTP bearer

Generate lip sync from a completed translation version using its stored media. Supports standard, pro and studio modes subject to the plan and normal media credits. Poll projects_status.

## Headers

- `Idempotency-Key` string, uuid

## Request body

- object
  - `projectId` string, required
  - `workId` string, required
  - `translatedVersionId` string, required
  - `lipSyncMode` 'standard' | 'pro' | 'studio'
  - `activeSpeakerDetectionEnabled` boolean
  - `requestId` string, uuid: UUID v4 for this action. Reuse the same ID with identical arguments on retries.

## Response `200`

Completed result or saved request state.

- object
  - `data` unknown, required
  - `requestId` string, uuid

## Other responses

- `202`: The action is running. Poll action_request_get with requestId and operation.
- `400`: Invalid arguments.
- `401`: Invalid or expired API key.
- `403`: Permission or subscription required.
- `409`: Idempotency conflict or account concurrency limit.
- `429`: Shared account rate or monthly limit reached.

---

[API](https://skmtc.dev/voicecheap/apis/voicecheap-api.md) · [All operations](https://skmtc.dev/voicecheap/apis/voicecheap-api/llms.txt) · [OpenAPI document](https://skmtc.dev/voicecheap/apis/voicecheap-api/revisions/0cb50268f31a?raw)