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name: heygen-avatar-lite description: Create AI digital human videos with HeyGen API. Free starter guide. version: 1.0.0 author: LittleLobster license: MIT

🎬 HeyGen AI Avatar Video (Lite)

Create professional AI-generated videos with your own digital human avatar!

🎯 What You'll Build

• Generate videos with AI avatars speaking any text
• Support for multiple languages
• Portrait (9:16) and Landscape (16:9) formats
• Custom voice cloning integration

📋 Prerequisites

1. HeyGen Account (Creator plan or above)

   • Sign up: https://heygen.com
   • Get API key from Settings → API

2. Custom Avatar (optional)

   • Upload training video to create your digital twin
   • Or use HeyGen's stock avatars

🏗️ Architecture

┌─────────────┐     ┌─────────────┐     ┌─────────────┐
│   Your App  │────▶│  HeyGen API │────▶│   Video     │
│  (trigger)  │     │  (generate) │     │   Output    │
└─────────────┘     └─────────────┘     └─────────────┘
        │                  │
        ▼                  ▼
   ┌─────────┐      ┌─────────────┐
   │  Text   │      │   Avatar +  │
   │  Input  │      │   Voice     │
   └─────────┘      └─────────────┘

🚀 Quick Start

Step 1: Get Your API Key

HEYGEN_API_KEY="your_api_key_here"

Step 2: List Available Avatars

curl -X GET "https://api.heygen.com/v2/avatars" \
  -H "X-Api-Key: $HEYGEN_API_KEY" | jq '.data.avatars[:5]'

Step 3: List Available Voices

curl -X GET "https://api.heygen.com/v2/voices" \
  -H "X-Api-Key: $HEYGEN_API_KEY" | jq '.data.voices[:5]'

Step 4: Generate a Video

curl -X POST "https://api.heygen.com/v2/video/generate" \
  -H "X-Api-Key: $HEYGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "video_inputs": [{
      "character": {
        "type": "avatar",
        "avatar_id": "YOUR_AVATAR_ID",
        "avatar_style": "normal"
      },
      "voice": {
        "type": "text",
        "input_text": "Hello! This is my AI avatar speaking.",
        "voice_id": "YOUR_VOICE_ID"
      }
    }],
    "dimension": {
      "width": 1280,
      "height": 720
    }
  }'

Step 5: Check Video Status

VIDEO_ID="your_video_id"
curl -X GET "https://api.heygen.com/v1/video_status.get?video_id=$VIDEO_ID" \
  -H "X-Api-Key: $HEYGEN_API_KEY"

📐 Video Dimensions

Format	Dimensions	Use Case
Landscape	1280x720	YouTube, Website
Portrait	720x1280	TikTok, Reels, Shorts
Square	1080x1080	Instagram

💰 Cost Estimate

Plan	Price	Credits
Creator	$29/month	15 min/month
Business	$89/month	30 min/month
Per-minute overage	~$1-2/min	-

⚠️ Limitations of Lite Version

• Basic API guide only
• No automation scripts
• No error handling
• No subtitle integration
• Community support only

🚀 Want More?

Premium Version includes:

• ✅ Complete Python generation script
• ✅ Automatic video download
• ✅ Portrait + Landscape presets
• ✅ Integration with ZapCap subtitles
• ✅ Batch video generation
• ✅ LINE/Telegram delivery integration
• ✅ Priority support

Get it on Virtuals ACP: Find @LittleLobster

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Made with 🦞 by LittleLobster