Theme
Language
Video

Heygen Avatar 4 API — how to connect and pay

HeyGen Avatar IV — a talking avatar from one photo and your voice-over: lips, expression, gestures. Requires image_url with a clearly visible face and audio_url; the clip is as long as the audio (up to 5 minutes). talking_style: stable (calm) or expressive. 360p–1080p. Priced per second of output video.

Channel comparison

last 7 days

Channel
Flowheygen-avatar-4:flowdefault
Price
from $0.142857 / s

Build the result you need

heygen-avatar-4:flow

This model only publishes its minimum price in the catalog.

Input: Image, AudioSome modes require you to attach: source image, audio track

What is Heygen Avatar 4

HeyGen Avatar IV — a talking avatar from one photo and your voice-over: lips, expression, gestures. Requires image_url with a clearly visible face and audio_url; the clip is as long as the audio (up to 5 minutes). talking_style: stable (calm) or expressive. 360p–1080p. Priced per second of output video.

Contract at a glance

Input
image, audio
Output
video
Mode
async (job + polling)
Status polling
every 3 s · up to 600 s

Strengths

  • Pricing: per second
  • Inputs: image, audio
  • 5 configurable options
  • One API key for media generation

Where it is used

  • Social media clips
  • Promos and title sequences
  • Still-image animation
  • Storyboards and animatics

Price of Heygen Avatar 4

The cost of Heygen Avatar 4: from $0.142857 per second. The price is calculated dynamically at the current exchange rate, and the final charge is shown in the API response (priceRub). Payment in USD, no subscriptions.

What a default request costs

With no parameters sent, the request uses these values: Resolution — 720p, Frame format — Match the photo, Talking style — Calm. That request costs $0.142857.

Channels and prices for every parameter combination

For every channel, the price of every parameter combination. It is exactly the amount a successful generation is charged, and the same figure as in the machine-readable table linked below.

Flowheygen-avatar-4:flowfrom $0.142857 / sexact prices
PricePrice
Flow$0.142857 / s

Price per second of the generated video. The charge is this price × the actual length of the result.

Every combination as JSON: /api/media/price-table?model=heygen-avatar-4%3Aflow

FAQ about the Heygen Avatar 4 API

How much does Heygen Avatar 4 cost?

The price of Heygen Avatar 4: from $0.142857 per second. The price is calculated dynamically at the current exchange rate.

Is it compatible with the OpenAI SDK?

Yes, the API is fully OpenAI-compatible. Just change base_url to https://getvibeapi.com/v1 and set your key — the rest of the code stays the same.

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