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Before you can generate video with a digital twin (type: "digital_twin"), HeyGen needs proof that the person depicted agreed to be cloned. This protects the avatar subject, your account, and HeyGen — and it’s what lets you use a real person’s likeness responsibly at scale.
Consent applies only to digital twin avatars. Photo avatars (type: "photo") and prompt-to-avatar characters (type: "prompt") depict no real, identifiable person and do not require consent.

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The three levels of access

Consent is offered as three increasing levels of access. Each level removes friction from the flow, and each is unlocked for a progressively narrower set of accounts. Higher levels are more powerful and correspondingly more restricted. One endpoint drives both Level 1 and Level 2: POST /v3/avatars/{group_id}/consent. By default it starts the webcam flow and returns a URL for the avatar subject; whitelisted enterprise accounts can pass a pre-recorded consent_video instead.

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Record via webcam (Level 1)

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Response

Whitelisted enterprise accounts can submit a pre-recorded consent statement directly — same endpoint, with consent_video in place of the flow parameters:
The video is submitted immediately for review — the subject never visits a consent page, so the response contains the avatar_group alone and no url. Because there is no hosted page in this flow, send consent_video on its own, without the webcam-flow parameters. This flow requires a whitelisted account — please reach out to sales or your account team to request access. Because the upload flow has no hosted page prompting the subject, you provide the statement yourself. Consent is validated semantically — the subject names themselves and explicitly allows HeyGen to use their footage — so minor wording differences are fine. A clear version of the statement:
“I, [Full Name], hereby allow HeyGen to use the footage of me to build a HeyGen avatar.”
No passcode is required for the upload path — a spoken code applies only to the interactive webcam flow (Level 1).
Check consent_status on the avatar group via GET /v3/avatars/{group_id} to know when consent is complete. It is null for photo and prompt avatars, which never require consent.
Consent is one step in the digital twin flow. To create the avatar itself, see Create Avatar; to browse the resulting characters and looks, see Avatars and Avatar Looks.