What is HeyGen CLI?
HeyGen's command line for creating and translating videos from scripts.
Who is HeyGen CLI best for?
HeyGen CLI is best for developers and AI agents that want to make and translate HeyGen avatar videos from scripts.
Scripted video production
It wraps HeyGen's v3 API and returns JSON by default, so video creation fits into shell scripts and CI pipelines.
AI agent workflows
Agents can look up the fields each command expects without logging in, then create a video from a single prompt through the Video Agent command.
Translation and lip-sync in bulk
Translation and lip-sync jobs run from the terminal, and finished videos, including captioned versions, download straight to local files.
Trying HeyGen from the terminal
OAuth login uses your existing HeyGen account and its plan credits, which HeyGen suggests for a new user's first small tests.
How much does HeyGen CLI cost?
The HeyGen CLI is free to install, but the videos it makes are billed by HeyGen: an API key draws on a prepaid API balance whose prices are shown only after sign-in, and OAuth login spends your HeyGen plan's credits.
With an API key, the CLI bills HeyGen's API plans, whose per-operation prices HeyGen shows in its API dashboard after sign-in. With OAuth, it spends the credits of your HeyGen web plan, which runs from a Free plan with up to 3 videos a month to paid Creator, Pro and Business plans. Plans and current prices are on heygen.com.
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Questions about HeyGen CLI
What is HeyGen CLI?
HeyGen's command line for creating and translating videos from scripts.
Who is HeyGen CLI for?
HeyGen CLI is best for developers and AI agents that want to make and translate HeyGen avatar videos from scripts.
Is the HeyGen CLI free?
The HeyGen CLI itself is free to install, but every video it makes spends HeyGen credits. Signed in with OAuth, it uses your HeyGen plan's credits, and HeyGen's Free plan allows up to 3 videos a month with no credit card; with an API key, usage is billed to a prepaid API balance.
Where can I try HeyGen CLI?
On its official website, developers.heygen.com.
Should I log in to the HeyGen CLI with an API key or OAuth?
Use an API key for anything repeatable, such as batches, pipelines and production work: it bills HeyGen's API plans and has higher limits. OAuth signs in with your HeyGen web account and spends its plan credits, which HeyGen sizes for a new user's first small tests.
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