Publisher
HeyGen
HeyGenTypeLip Sync
Context Window2,000 tokens
ReleasedOctober 2026
Price$0.10/second
Provider
WaveSpeed
WaveSpeedReady to build with HeyGen Avatar IV?
Get Started FreeConfiguration
Parameters & options
ImageImage URL
Portrait to animate into a talking video.
AudioAudio URL
The speech that drives the video.
PromptPrompt
Optional directions for expression and movement.
BackgroundImage URL
Optional background image.
ExpressivenessSelect
ResolutionSelect
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