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HeyGen API

Create AI-generated videos with realistic avatars and voices. Generate professional video content from text scripts with customizable digital humans.

Verified
2026-02-04

At a glance

Essential information

Category
ai
Authentication
api_key
Free tier
Available
Starting fromFree (1 credit)

About

HeyGen API enables programmatic creation of AI-generated videos featuring realistic digital avatars. Generate professional video content from text scripts with customizable avatars, voices, and backgrounds - perfect for marketing, education, and training content.

What you can build

  • Automated video content generators
  • Personalized video messages at scale
  • E-learning course creators
  • Marketing video automation
  • Product demo generators
  • Multilingual video translators
  • Social media content tools
  • Corporate training videos
Free tierYes
Starting fromFree (1 credit)
NotesFree tier 1 credit. Creator $24/mo (15 credits), Business $72/mo (unlimited), Enterprise custom. 1 credit = ~1 minute video.

Last updated: 2026-02-04. Please refer to the official pricing page as pricing may have changed.

Alternatives

Similar APIs you might consider

Authentication & Limits

View Docs
Auth type
api_key
Rate limits
Based on plan credits. Rate limits on concurrent video generation (typically 5-10 concurrent).

Steps to get API key

  1. 1Sign up at heygen.com
  2. 2Subscribe to Business or Enterprise plan for API access
  3. 3Navigate to API settings in dashboard
  4. 4Generate API key
  5. 5Use in X-Api-Key header for requests

FAQ

Free trial with 1 credit (≈1 minute video). Paid plans from $24/month. API access available on Business and Enterprise plans.
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