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HeyGen’s self-serve (Pay-As-You-Go) plan lets you purchase USD balance when you need it — no monthly subscription, no commitments.

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How Billing Works

When you authenticate with an API Key (x-api-key header), you are billed under the API tier. Usage is deducted from your prepaid USD wallet. Check your balance at any time:

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Pricing

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Video Generation — Avatar V

Highest-fidelity engine with cross-reference-driven animation — see the Avatar V model page for engine details. Avatar V supports Digital Twins only.

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Video Generation — Avatar IV

Default v3 engine — see the Avatar IV model page for engine details.

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Video Generation — Avatar III

Dedicated photo-to-video pipeline — see the Avatar III model page for engine details.

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Cinematic Avatar

Flat rate per video (4–15 seconds, 720p/1080p only), not billed by duration. See the Cinematic Avatar guide.

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Video Agent

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HyperFrames

Billed per minute of output video; the rate scales with resolution and fps. See the HyperFrames guide.

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Video Translation

Note: Proofread mode is available on Enterprise plans only.

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Lipsync

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AI Clipping

Turn a long-form video into short highlight clips, billed per clip produced. See the AI Clipping guide.

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Filler Word Removal

Cut filler words and overlong silences out of a finished recording, billed on the source video’s duration with a 1-minute minimum per job. If a run changes nothing, the charge is automatically refunded. See the Filler word removal guide.

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Text-to-Speech

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Avatar Creation