HeyGen API Pricing 2026: Plans, Costs & Developer Guide 2026: Plans, Features & Best Deals Compared

HeyGen’s API enables developers to integrate AI avatar video generation directly into their applications.
This guide covers HeyGen’s API pricing tiers, usage limits, costs per video, and how to get started with the API
in 2026.

What Is HeyGen API?

HeyGen API is a developer-facing service that allows applications, platforms, and businesses to programmatically
generate AI avatar videos. Instead of manually creating videos through HeyGen’s web interface, the API lets you
automate video production at scale — generating personalized videos, training content, marketing messages, and
customer communications through code.

The API is built on HeyGen’s core AI video technology, offering the same quality avatars, lip-sync accuracy, and
multilingual capabilities available in the web platform, but accessible through RESTful endpoints. This makes it
ideal for SaaS companies building video features, marketing platforms automating personalized outreach, and
enterprises creating training videos at scale.

HeyGen has carved out a strong position in the AI avatar space, competing with Synthesia, D-ID, and Elai.io. Its API
is particularly popular due to competitive pricing per video minute and strong documentation.

HeyGen API Pricing Tiers

Credit system: 1 credit ≈ 1 minute of generated video. A 30-second video uses 0.5 credits.
Additional credits can be purchased separately.

API-Specific Pricing Details

Pay-As-You-Go Credits

Beyond your monthly allocation, additional credits can be purchased at approximately $1.50-$3.00 per credit depending
on your plan tier. Enterprise customers get volume discounts for high usage.

What Uses Credits

• Video generation: 1 credit per minute of output video
• Avatar training: Credits required for creating custom AI avatars
• Translation: Credits for generating multi-language versions
• Photo avatar: Lower credit cost for static photo-based avatars

What Doesn’t Use Credits

• API key generation and management
• Listing available avatars and templates
• Retrieving video status and metadata
• Webhook configuration

Getting Started with the API

1. Create a HeyGen account: Sign up at heygen.com and choose a plan with API access (Creator or
   higher)
2. Generate API key: Navigate to Settings → API → Generate New Key
3. Install SDK: HeyGen provides official SDKs for Python, Node.js, and REST endpoints
4. Make your first request: Use the /v2/video/create endpoint to generate a test
   video
5. Set up webhooks: Configure webhook URLs to receive notifications when videos are ready

Example API Call (Python)

import requests

url = "https://api.heygen.com/v2/video/generate"
headers = {
    "X-Api-Key": "your-api-key",
    "Content-Type": "application/json"
}
payload = {
    "video_inputs": [{
        "character": {"type": "avatar", "avatar_id": "Angela-inblackskirt-20220820"},
        "voice": {"type": "text", "input_text": "Hello, welcome to our platform!"}
    }],
    "dimension": {"width": 1920, "height": 1080}
}
response = requests.post(url, json=payload, headers=headers)
print(response.json())

HeyGen API vs Competitors

Key Use Cases

• Personalized video marketing: Generate unique sales videos with prospect names and company
  details
• E-learning platforms: Auto-generate training videos from course content
• Customer onboarding: Create personalized welcome videos for new users
• News and media: Generate video summaries from articles automatically
• Internal communications: Produce company updates and announcements at scale

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For developers building content platforms, pair HeyGen API with SEMrush group buy access for the content research and analytics layer of your stack.

Pros and Cons

Tips for Optimizing API Costs

1. Batch requests: Queue multiple videos and process them together to stay within rate limits
2. Use shorter scripts: Credits are per minute — concise scripts save money
3. Cache common videos: Store frequently-used video outputs instead of regenerating
4. Photo avatars: Use photo-based avatars for lower credit consumption
5. Preview before generating: Use the preview endpoint to validate scripts before spending credits
6. Pair with Canva Pro group buy to
   create thumbnails for your AI-generated videos

Verdict

FAQ

Does HeyGen have a free API tier?

No, API access starts at the Creator plan ($24/month). The free HeyGen plan does not include API access.

How long does API video generation take?

Most videos are generated within 1-5 minutes. Longer videos and higher resolutions take more time.

Can I create custom avatars via the API?

Yes, the API supports custom avatar creation, though it requires additional credits and training time.

What programming languages are supported?

HeyGen provides official SDKs for Python and Node.js, plus a REST API accessible from any language.

Is there a webhook for completion notifications?

Yes, you can configure webhook URLs to receive POST notifications when videos are ready for download.

Can I use the API for commercial projects?

Yes, all paid plans include commercial usage rights for API-generated videos.

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