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---
name: heygen-best-practices
description: Best practices for HeyGen - AI avatar video creation API
metadata:
tags: heygen, video, avatar, ai, api, text-to-video
---
## When to use
Use this skill whenever you are dealing with HeyGen API code to obtain domain-specific knowledge for creating AI avatar videos, managing avatars, handling video generation workflows, and integrating with HeyGen's services.
## How to use
Read individual rule files for detailed explanations and code examples:
### Foundation
- [rules/authentication.md](rules/authentication.md) - API key setup, X-Api-Key header, and authentication patterns
- [rules/quota.md](rules/quota.md) - Credit system, usage limits, and checking remaining quota
- [rules/video-status.md](rules/video-status.md) - Polling patterns, status types, and retrieving download URLs
- [rules/assets.md](rules/assets.md) - Uploading images, videos, and audio for use in video generation
### Core Video Creation
- [rules/avatars.md](rules/avatars.md) - Listing avatars, avatar styles, and avatar_id selection
- [rules/voices.md](rules/voices.md) - Listing voices, locales, speed/pitch configuration
- [rules/scripts.md](rules/scripts.md) - Writing scripts, pauses/breaks, pacing, and structure templates
- [rules/video-generation.md](rules/video-generation.md) - POST /v2/video/generate workflow and multi-scene videos
- [rules/video-agent.md](rules/video-agent.md) - One-shot prompt video generation with Video Agent API
- [rules/dimensions.md](rules/dimensions.md) - Resolution options (720p/1080p) and aspect ratios
### Video Customization
- [rules/backgrounds.md](rules/backgrounds.md) - Solid colors, images, and video backgrounds
- [rules/text-overlays.md](rules/text-overlays.md) - Adding text with fonts and positioning
- [rules/captions.md](rules/captions.md) - Auto-generated captions and subtitle options
### Advanced Features
- [rules/templates.md](rules/templates.md) - Template listing and variable replacement
- [rules/video-translation.md](rules/video-translation.md) - Translating videos, quality/fast modes, and dubbing
- [rules/streaming-avatars.md](rules/streaming-avatars.md) - Real-time interactive avatar sessions
- [rules/photo-avatars.md](rules/photo-avatars.md) - Creating avatars from photos (talking photos)
- [rules/webhooks.md](rules/webhooks.md) - Registering webhook endpoints and event types
### Integration
- [rules/remotion-integration.md](rules/remotion-integration.md) - Using HeyGen avatar videos in Remotion compositions
