---
title: "elevenlabs-v4 (best)"
method: POST
path: "/api/v1/elevenlabs-v4"
tags: ["Audio"]
---

# elevenlabs-v4 (best)

`POST /api/v1/elevenlabs-v4`

## Request

- Base URL: `https://api.muapi.ai`
- URL: `https://api.muapi.ai/api/v1/elevenlabs-v4`
- Auth: one of:
  - API key in header `x-api-key`
  - OAuth 2 (client credentials, token URL `https://api.muapi.ai/oauth/token`)

Generate expressive, natural speech from text using ElevenLabs Eleven v4 (up to 2,000 characters). Input: text, voice. Output: MP3 audio. Use for: voiceover, narration, text-to-speech.

## Query parameters

- `webhook` string
- `team_id` integer, nullable

## Headers

- `x-api-key` string
- `x-embed-code` string, nullable
- `x-agent-embed-code` string, nullable
- `x-whitelabel-studio` string, nullable
- `authorization` string, nullable

## Request body

- ElevenV4Request
  - `prompt` string, required
  - `voice_id` 'voice_daniel' | 'voice_liam'
  - `webhook_url` string, uri, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/muapi/apis/muapi-api.md) · [All operations](https://skmtc.dev/muapi/apis/muapi-api/llms.txt) · [OpenAPI document](https://skmtc.dev/muapi/apis/muapi-api/revisions/e4b7374381e5?raw)