---
title: "fish-s2-1-pro (balanced)"
method: POST
path: "/api/v1/fish-s2-1-pro"
tags: ["Audio"]
---

# fish-s2-1-pro (balanced)

`POST /api/v1/fish-s2-1-pro`

## Request

- Base URL: `https://api.muapi.ai`
- URL: `https://api.muapi.ai/api/v1/fish-s2-1-pro`
- Auth: one of:
  - API key in header `x-api-key`
  - OAuth 2 (client credentials, token URL `https://api.muapi.ai/oauth/token`)

Generate natural speech from text using Fish Audio S2.1 Pro (up to 10,000 characters). Input: text, voice. Output: MP3 audio. Use for: long-form narration, voiceover, 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

- FishS21ProRequest
  - `prompt` string, required
  - `voice_id` 'voice_fish_narrator'
  - `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)