Fish Audio S1
Fish Audio S1 text to speech — inline emotional control, billed on input length.
Fish Audio's broad-emotion model. Speaking style is guided inline with parenthetical controls written directly into the text you send.
No credit card required. Takes 30 seconds.
2,400+
Developers
1.2M+
API calls served
100+
Endpoints
$0.01
Per call
Yep, that's it.
Playground coming soon — use the API endpoint directly with your API key.
Pricing
Per character: $0.0317/1K chars
Endpoint
/v1/media/queue
Strengths
Parenthetical cues written into the input text steer delivery sentence by sentence.
Built for content that has to shift tone mid-passage.
Covers Fish Audio's supported language set.
Omit the voice and the provider picks its default.
Quick start
Copy this snippet and start making calls with Fish Audio S1.
// Step 1: Submit job
const res = await fetch('https://api.yepapi.com/v1/media/queue', {
method: 'POST',
headers: {
'x-api-key': 'YOUR_API_KEY',
'Content-Type': 'application/json',
},
body: JSON.stringify({
"model": "fish-audio/s1",
"prompt": "(whispering) Don't move. (normal) It's gone now — but we should leave before it comes back."
}),
});
const { data } = await res.json();
const jobId = data.jobId;
// Step 2: Poll for result
const status = await fetch(`https://api.yepapi.com/v1/media/status/${jobId}`, {
headers: { 'x-api-key': 'YOUR_API_KEY' },
});
const { data: job } = await status.json();
// job.status: "pending" | "processing" | "completed" | "failed"
// job.result: { text?, image?, audio?, video? }Why use Fish Audio S1 through YepAPI?
Fish Audio S1 API — inline emotional control
S1 is a multilingual text-to-speech model from Fish Audio aimed at voice applications that need a broad emotional range. Speaking style is guided inline with parenthetical controls written directly into the input text.
That makes it a good fit for scripted content whose tone shifts mid-passage. On YepAPI it costs $0.0317 per 1,000 characters through the media queue.
Start generating in 30 seconds
$5 free credit on signup. No credit card required. Pay per call.
What developers say
“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”
“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”
“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”
Frequently asked questions
Fish Audio's broad-emotion model. Speaking style is guided inline with parenthetical controls written directly into the text you send.
Pricing for Fish Audio S1 through YepAPI is based on usage. No monthly minimums — you only pay for what you use.
Sign up for a free API key, then send requests to the /v1/media/queue endpoint.
Ready to use Fish Audio S1?
$5 free credit on signup. No credit card required. Pay per call.
Explore more models
Fish Audio S2.1 Pro
Fish AudioFish Audio S2.1 Pro text to speech — stateless voice cloning, billed on input length.
Fish Audio S2 Pro
Fish AudioFish Audio S2 Pro text to speech — expressive multi-speaker narration, billed on input length.
Fish Audio S2.1 Pro Free
Fish AudioFish Audio S2.1 Pro Free text to speech — free tier for prototyping, billed on input length.