video-translate

Translate and dub videos into multiple languages with automatic lip-sync using HeyGen. Translate and dub existing videos into multiple languages, preserving lip-sync and natural speech patterns. Provide a video URL or HeyGen video ID — no need to create the video on HeyGen first. All requests require the X-Api-Key header. Set the HEYGEN_API_KEY environment variable. Either video_url or video_id must be provided. For more control over translation: Translations take longer than standard video generation — allow up to 30 minutes. Translate to multiple languages in parallel: Common errors and how to handle them: - Supports 12+ languages including Spanish, French, German, Japanese, Chinese, and Arabic with automatic voice cloning to match original speaker characteristics - Offers two translation modes: full lip-sync dubbing or faster audio-only translation without video adjustments - Handles multi-speaker videos, custom vocabulary preservation, and optional background music removal or speech enhancement - Includes polling-based status tracking with up to 30-minute processing time; supports batch translation to multiple languages in parallel - Provide a video URL or HeyGen video ID - Call POST /v2/video_translate with the target language - Poll GET /v2/video_translate/{translate_id} until status is completed - Download the translated video from the returned URL - Lip Sync —...