YepAPI
HeyGenText to Speech/v1/media/queue

HeyGen Voice API

HeyGen Voice text to speech — 10 built-in voices, 44.1 kHz PCM, billed on input length.

HeyGen's text-to-speech model with 10 built-in voices. Returns raw 44.1 kHz PCM.

No credit card required. Takes 30 seconds.

HeyGen Voice API pricing

Pay per request from your YepAPI balance — no subscription, no monthly minimum. Prices updated October 24, 2026.

BillingPrice
Rate$0.0316/1K chars
What it costsPer job
Short reply200 characters$0.0063
Blog post narration10,000 characters (~1,600 words)$0.316
Audiobook chapter100,000 characters$3.16

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 specs

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

How to get a HeyGen Voice 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

    Send a request to /v1/media/queue with the x-api-key header and model "heygen/heygen-voice-1".

  4. 4

    Pay as you go

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

Strengths

✓
10 built-in voices

Nadine, Tabitha, Bram, Gareth, Noelle, Meredith, Sabrina, Lucian, Weston, and Vincent — a compact catalogue that is quick to audition.

✓
Turbo tier alongside

HeyGen Voice Turbo shares the same 10 voices, so you can move between tiers without recasting.

✓
44.1 kHz PCM output

Returns headerless raw PCM at 44.1 kHz, ready for an audio pipeline or for wrapping in WAV.

✓
Simple voice selection

Voices are picked by lowercase name; omit the voice and `nadine` is used.

Quick start

Copy this snippet and start making calls with HeyGen Voice.

// 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",
    "prompt": "Hi there, and thanks for watching. In the next two minutes I'll show you exactly how to set up your first project.",
    "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 vs similar models

Every model below runs on the same API key — switch by changing the model ID.

ModelProviderPrice
HeyGen VoiceHeyGen$0.0316/1K chars
HeyGen Voice TurboHeyGen$0.0084/1K 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 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 API — text to speech from HeyGen

HeyGen Voice is HeyGen's text-to-speech model. It comes with 10 built-in voices — Nadine, Tabitha, Bram, Gareth, Noelle, Meredith, Sabrina, Lucian, Weston, and Vincent — and returns raw 44.1 kHz PCM.

PCM suits streaming pipelines but needs a WAV wrapper for file playback. On YepAPI it is billed at $0.0316 per 1,000 characters on 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.”

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

HeyGen's text-to-speech model with 10 built-in voices. Returns raw 44.1 kHz PCM.

HeyGen Voice costs $0.0316/1K chars through YepAPI, billed per request with no monthly fee. For example, a short reply (200 characters) costs about $0.0063.

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 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 without a card. After that you pay per request at the rates above — there is no subscription.

Use "heygen/heygen-voice-1" as the model on /v1/media/queue. The short alias "heygen-voice" also works.

Ready to use HeyGen Voice?

$5 free credit on signup. No credit card required. Pay per call.

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