Create

Text to Speech

Generate human-like AI speech

Audiobooks

Create narration for audiobooks

Speech to Text

Transcribe audio and video

Voice Design

Generate custom voices

Voice Changer

Coming soon

Output audio in any voice

Voice Isolation

Coming soon

Extract clear speech

Voice Cloning

Clone your voice

Sound Effects

Coming soon

Generate any sound

Dubbing

Coming soon

Localize audio content

Music

Coming soon

Turn ideas into songs

Images

Generate images from text

Video

Generate video from text or images

Fish Audio S2.1 Pro

Multi-speaker, multi-turn generation with natural language control over voice performance.

API

Platform

Overview Docs API reference API keys API pricing API Playground

API

Text to Speech

Generate speech through the API

Music

Coming soon

Create songs through the API

Speech to Text

Batch transcribe speech

Sound Effects

Coming soon

Generate sound effects through the API

Real-time Speech to Text

Transcribe speech in real time

Voice Cloning

Clone voices for TTS

Speech Engine

Coming soon

Give agents voice capabilities

Agents

Coming soon

Deploy voice agents in minutes

Dubbing

Coming soon

Translate video and audio through the API

API

Fish Audio API quick start

Debug voice generation, transcription, and account keys online

Text to Speech

Convert text to natural speech with Fish Audio, MiniMax, Qwen, and more

Speech to Text

High-accuracy transcription from uploaded audio

Voice Cloning

Clone your voice in about a minute from short samples

Voice Gallery

Browse public models and pick a reference voice

AI Image

Generate images from prompts with leading models

AI Video

Create video from text descriptions and styles

Lip-sync & digital human

Align speech to video for avatars and presenters

Voice Workspace

Voice synthesis workspace to create and manage your voice projects

Short video & dubbing

Fast voiceover for social, ads, and UGC

Audiobooks & podcasts

Long-form narration with natural pacing

Education & training

Clear narration for courses and internal comms

Company

Resources

Affiliate program

Coming soon

API Playground

Try REST endpoints online with your API key

API keys

Create and manage API keys in your account

Pricing

All APIs Complete API docs

Design save

Persist a voice design candidate as a reusable voice

POST/api/open/v1/voice-designs/{designId}/voices

POSTDesign save

Text to Speech

POSTHTTP WSWebSocket WSWebSocket v2 POSTAsync create GETAsync list GETAsync query POSTSpeech to Text

Voice Cloning

POSTCreate Model GETGet Model DELETEDelete Model GETList Models

Voice Design

POSTDesign create POSTDesign save GETDesign audio

Lip Sync Video

POSTCreate Task GETQuery Task GETList Tasks

Media

GETMedia models POSTImage create GETImage query POSTVideo create GETVideo query

Other

GETUser Profile POSTUpdate Profile

Text to Speech

POSTHTTP WSWebSocket WSWebSocket v2 POSTAsync create GETAsync list GETAsync query POSTSpeech to Text

Voice Cloning

POSTCreate Model GETGet Model DELETEDelete Model GETList Models

Voice Design

POSTDesign create POSTDesign save GETDesign audio

Lip Sync Video

POSTCreate Task GETQuery Task GETList Tasks

Media

GETMedia models POSTImage create GETImage query POSTVideo create GETVideo query

Other

GETUser Profile POSTUpdate Profile

Online debugger

Endpoint

POST /api/open/v1/voice-designs/{designId}/voices

API Key

Idempotency-Key *(header)

designId *(path)

candidateId *

name *

description

visibility

referenceText

Request preview

POST /api/open/v1/voice-designs/{designId}/voices
designId is required.