Fish Audio S2.1 Pro Free
Fish Audio S2.1 Pro Free text to speech — free tier for prototyping, billed on input length.
The no-cost S2.1 Pro tier for prototyping and low-volume use. Same synthesis quality as the paid tier, with no production latency or availability guarantee.
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
Free tier — $0.01 minimum per job
Endpoint
/v1/media/queue
Strengths
No per-character cost — you pay only YepAPI's $0.01 minimum job charge.
Output quality matches `fish-audio/s2.1-pro`.
Ideal for wiring up an integration before committing to a paid tier.
Free capacity is best-effort — move to the paid tier before you ship.
Quick start
Copy this snippet and start making calls with Fish Audio S2.1 Pro Free.
// Step 1: Submit job
const res = await fetch('https://api.yepapi.com/v1/media/queue', {
method: 'POST',
headers: {
'x-api-key': 'YOUR_API_KEY',
'Content-Type': 'application/json',
},
body: JSON.stringify({
"model": "fish-audio/s2.1-pro-free",
"prompt": "Testing the speech integration end to end, from job submission through to the finished audio file."
}),
});
const { data } = await res.json();
const jobId = data.jobId;
// Step 2: Poll for result
const status = await fetch(`https://api.yepapi.com/v1/media/status/${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 S2.1 Pro Free through YepAPI?
Fish Audio S2.1 Pro Free API — prototype speech at no cost
S2.1 Pro Free is the no-cost variant of Fish Audio S2.1 Pro, intended for testing, prototyping, and low-volume applications. Synthesis quality matches the paid tier.
It carries no production latency or availability guarantee, so it belongs in development rather than production — move to `fish-audio/s2.1-pro` before you ship. On YepAPI you pay only the $0.01 minimum job charge.
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
The no-cost S2.1 Pro tier for prototyping and low-volume use. Same synthesis quality as the paid tier, with no production latency or availability guarantee.
Pricing for Fish Audio S2.1 Pro Free 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 S2.1 Pro Free?
$5 free credit on signup. No credit card required. Pay per call.
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