YepAPI
HeyGenText to Speech/v1/media/queue

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.

BillingPrice
Rate$0.0084/1K chars
What it costsPer 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

ProviderHeyGen
Model IDheygen/heygen-voice-1-turbo
Endpoint/v1/media/queue
TypeText to Speech
Output formatspcm
Voices10 presets (default nadine)

How to get a HeyGen Voice Turbo API key

  1. 1

    Create a free account

    Sign up at yepapi.com with Google or email. It takes about 30 seconds and needs no card.

  2. 2

    Create an API key

    Open the dashboard, go to API Keys and create a key. Copy it — it starts with yep_sk_.

  3. 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. 4

    Pay as you go

    Usage is billed per request from your balance. Top up any amount; there is no subscription.

Strengths

✓
Lower latency

A faster version of HeyGen Voice for cases where the listener is waiting on the audio.

✓
Same 10 voices

Nadine, Tabitha, Bram, Gareth, and the rest of the HeyGen Voice catalogue, unchanged.

✓
About a quarter of the price

Billed at roughly a quarter of HeyGen Voice per character, which adds up at volume.

✓
44.1 kHz PCM output

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.

ModelProviderPrice
HeyGen Voice TurboHeyGen$0.0084/1K chars
HeyGen VoiceHeyGen$0.0316/1K chars
Kokoro 82Mhexgrad$0.0014/1K chars
Fish Audio Drama 3Fish Audio$0.0042/1K chars
Sesame CSM 1BSesame$0.0148/1K chars
Voxtral TTS 3Mistral$0.0302/1K chars
MAI-Voice-2.1 FlashMicrosoft$0.0316/1K chars
MAI-Voice-2 FlashMicrosoft$0.0317/1K chars

Why use HeyGen Voice Turbo through YepAPI?

✓One API key for all models — no separate accounts
✓No monthly minimums — pay per call
✓Switch models with one line of code
✓Simple REST API — works from any language
✓Unified billing across all providers
✓No rate limits for most use cases

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.”

Marcus T.

SEO Platform Founder

“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”

Priya S.

Full-Stack Developer

“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”

Jake R.

Indie Hacker

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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