create-avatar
Create HeyGen avatars from video footage (digital twin), a photo (photo avatar), or a text prompt (AI-generated). Returns a look ID for use with avatar-video.
video
text-to-speech
Generate natural speech audio from text using HeyGen's Starfish TTS engine. Supports configurable voice, speed, SSML input, and multiple languages.
audiovideo
6create-avatar
create heygen avatars from video footage (digital twin), a photo (photo avatar), or a text prompt (ai-generated). returns a look id for use with avatar-video.
lipsync
re-sync video lip movements to new audio using heygen's lipsync technology. supports speed and precision modes with optional captioning.
video-translate
translate videos into 30+ languages with voice cloning and lip-sync using heygen. supports speed and precision modes with optional captioning.
video-agent
generate complete videos from natural language prompts using heygen's ai video agent. the agent handles avatar selection, scripting, and production automatically.
photo-video
animate portrait photos into talking videos using heygen. upload a face image and add speech with configurable voice, motion prompts, and expressiveness.
avatar-video
generate talking avatar videos using heygen's digital and photo avatars with avatar iv or v engines, configurable voice, resolution up to 4k, and expressiveness.
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