HeyGen Voice Turbo API
HeyGen Voice Turbo text to speech — lower-latency HeyGen Voice with the same 10 voices, billed on input length.
The lower-latency version of HeyGen Voice, with the same 10 built-in voices at about a quarter of the per-character price. Returns raw 44.1 kHz PCM.
No credit card required. Takes 30 seconds.
HeyGen Voice Turbo API pricing
Pay per request from your YepAPI balance — no subscription, no monthly minimum. Prices updated October 23, 2026.
| Billing | Price |
|---|---|
| Rate | $0.0084/1K chars |
| What it costs | Per job |
|---|---|
| Short reply200 characters | $0.0017 |
| Blog post narration10,000 characters (~1,600 words) | $0.084 |
| Audiobook chapter100,000 characters | $0.84 |
2,400+
Developers
1.2M+
API calls served
100+
Endpoints
$0.01
Per call
Yep, that's it.
Playground coming soon — use the API endpoint directly with your API key.
HeyGen Voice Turbo specs
| Provider | HeyGen |
|---|---|
| Model ID | heygen/heygen-voice-1-turbo |
| Endpoint | /v1/media/queue |
| Type | Text to Speech |
| Output formats | pcm |
| Voices | 10 presets (default nadine) |
How to get a HeyGen Voice Turbo API key
- 1
Create a free account
Sign up at yepapi.com with Google or email. It takes about 30 seconds and needs no card.
- 2
Create an API key
Open the dashboard, go to API Keys and create a key. Copy it — it starts with yep_sk_.
- 3
Call HeyGen Voice Turbo
Send a request to /v1/media/queue with the x-api-key header and model "heygen/heygen-voice-1-turbo".
- 4
Pay as you go
Usage is billed per request from your balance. Top up any amount; there is no subscription.
Strengths
A faster version of HeyGen Voice for cases where the listener is waiting on the audio.
Nadine, Tabitha, Bram, Gareth, and the rest of the HeyGen Voice catalogue, unchanged.
Billed at roughly a quarter of HeyGen Voice per character, which adds up at volume.
Returns headerless raw PCM at 44.1 kHz, ready for an audio pipeline or for wrapping in WAV.
Quick start
Copy this snippet and start making calls with HeyGen Voice Turbo.
// Step 1: Submit job
const res = await fetch('https://api.yepapi.com/v1/media/queue', {
method: 'POST',
headers: {
'x-api-key': 'YOUR_API_KEY',
'Content-Type': 'application/json',
},
body: JSON.stringify({
"model": "heygen/heygen-voice-1-turbo",
"prompt": "Your order has shipped. It should arrive on Friday, and you'll get a tracking link by text in a few minutes.",
"options": {
"voice": "nadine"
}
}),
});
const { data } = await res.json();
const jobId = data.jobId;
// Step 2: Poll for result
const status = await fetch(`https://api.yepapi.com/v1/media/status/${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? }HeyGen Voice Turbo vs similar models
Every model below runs on the same API key — switch by changing the model ID.
| Model | Provider | Price |
|---|---|---|
| HeyGen Voice Turbo | HeyGen | $0.0084/1K chars |
| HeyGen Voice | HeyGen | $0.0316/1K chars |
| Kokoro 82M | hexgrad | $0.0014/1K chars |
| Fish Audio Drama 3 | Fish Audio | $0.0042/1K chars |
| Sesame CSM 1B | Sesame | $0.0148/1K chars |
| Voxtral TTS 3 | Mistral | $0.0302/1K chars |
| MAI-Voice-2.1 Flash | Microsoft | $0.0316/1K chars |
| MAI-Voice-2 Flash | Microsoft | $0.0317/1K chars |
Why use HeyGen Voice Turbo through YepAPI?
HeyGen Voice Turbo API — lower-latency speech from HeyGen
HeyGen Voice Turbo is the lower-latency version of HeyGen Voice, HeyGen's text-to-speech model. It keeps the same 10 built-in voices and returns raw 44.1 kHz PCM.
On YepAPI it is a single `POST /v1/media/queue` call billed at $0.0084 per 1,000 characters — about a quarter of HeyGen Voice — on the same key as every other speech model.
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 lower-latency version of HeyGen Voice, with the same 10 built-in voices at about a quarter of the per-character price. Returns raw 44.1 kHz PCM.
HeyGen Voice Turbo costs $0.0084/1K chars through YepAPI, billed per request with no monthly fee. For example, a short reply (200 characters) costs about $0.0017.
Sign up at yepapi.com (Google or email, about 30 seconds), open the dashboard and create an API key. The same key works for HeyGen Voice Turbo and every other model — no separate HeyGen account or waitlist.
New YepAPI accounts in most countries get free signup credit, enough to test HeyGen Voice Turbo without a card. After that you pay per request at the rates above — there is no subscription.
Use "heygen/heygen-voice-1-turbo" as the model on /v1/media/queue. The short alias "heygen-voice-turbo" also works.
Ready to use HeyGen Voice Turbo?
$5 free credit on signup. No credit card required. Pay per call.
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