HeyGen Voice 1 Turbo API

Turn text into WAV speech with HeyGen public voices for agents and narration

Modalities
TextAudio
Input price
$4per 1M tokens
Model type
Text to speech
Released
Nov 4, 2026

HeyGen Voice 1 Turbo overview

HeyGen Voice 1 Turbo specs

Model ID
heygen/voice-1-turbo
Developer
HeyGen
Input
Text
Output
Audio
Endpoint
POST https://api.aimlapi.com/v1/tts

Use cases

Speak the replies of a conversational agent with a HeyGen public voice.

Narrate articles, lessons or product updates in an automated narration pipeline.

Generate large batches of voice lines from text for catalog or notification audio.

Prototype voice for a video or app script by turning draft text into WAV files.

HeyGen Voice 1 Turbo API pricing

HeyGen Voice 1 Turbo pricing in US dollars
UsagePriceUnit
Input$41M tokens

Prices from the AI/ML API price list, checked on Nov 12, 2026.

How to use the HeyGen Voice 1 Turbo API

View docs

Build with your agent

Give your agent the model details, code and documentation.

1Get your API key

Create API key
export AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"

2Make your first request

curl 'https://api.aimlapi.com/v1/tts' \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "heygen/voice-1-turbo",
  "text": "Your order has shipped. It will arrive on Thursday between nine and eleven in the morning. Reply to this message if you need to change the delivery time."
}'

HeyGen Voice 1 Turbo FAQ

How much does HeyGen Voice 1 Turbo cost?

HeyGen Voice 1 Turbo costs $4 / 1M on AI/ML API.

What file format does the model return?

HeyGen Voice 1 Turbo generates speech audio as a WAV file.

Which voices can I use?

This endpoint offers HeyGen public voices. Professional voice clones are not supported by this model.

What workloads is it meant for?

HeyGen intends it for agents, narration pipelines and high-volume speech generation.

What is the HeyGen Voice 1 Turbo model ID?

Use heygen/voice-1-turbo as the model parameter. Requests go to https://api.aimlapi.com/v1/tts with your AI/ML API key.

Start building with HeyGen Voice 1 Turbo

HeyGen Voice 1 Turbo API

heygen/voice-1-turbo

Build with your agent

Give your agent the model details, code and documentation.

1Get your API key

Create API key
export AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"

2Make your first request

curl 'https://api.aimlapi.com/v1/tts' \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "heygen/voice-1-turbo",
  "text": "Your order has shipped. It will arrive on Thursday between nine and eleven in the morning. Reply to this message if you need to change the delivery time."
}'