Starts a HeyGen Video Agent session from a text prompt (v3). Poll session status or use webhooks for the final video.

Creates a video from an avatar or image (v3 POST /videos). Avatar III still uses legacy v1/v2; use v2 multi-scene for complex timelines.

Generate customized videos from templates. Templates offer a rich, versatile content format for your workflow, allowing you to customize text, images, videos, audios, voices, and avatars.

Starts final translated video generation from an approved proofread session (v3 POST .../proofreads/{id}/generate).

Returns details for one look (avatar_id for videos): engines, orientation, previews, training status (v3 GET /avatars/looks/{look_id}).

Paginated avatar groups (characters); each group has one or more looks (v3 GET /avatars).

Paginated list of videos in the account (v3 GET /videos). Filter by folder or title substring.

Get a public shareable link for a HeyGen video that can be easily distributed and viewed by others.

Get the status and details of a specific video (v3).

Creates a video translation job: target languages with voice cloning and lip-sync (v3 POST /video-translations).

Upload an image, video, or audio file to HeyGen and receive a storage key for use in other operations.

Creates a single scene configuration for an avatar video.

Generates a WebM video with transparent background and an avatar speaking the input text.

Synthesize speech from text with a starfish-compatible voice (v3). Use List Voices with engine=starfish to pick a voice.

Returns one avatar group: name, previews, looks count, training status (v3 GET /avatars/{group_id}).

Reads session status, video_id, and recent messages (v3 GET /video-agents/{session_id}).

Paginated looks (avatar_id for video APIs); filter by group, type, or ownership (v3 GET /avatars/looks).

Returns a paginated list of voices (v3). Filter by type, engine, language, or gender. Use engine=starfish for voices compatible with Generate Speech.

Get the status and details of a video translation job (v3).

Sends a follow-up or revision message to a chat-mode session (v3 POST /video-agents/{session_id}).

Renames a look (photo avatar and digital twin only per API; v3 PATCH /avatars/looks/{look_id}).