HeyGen deprecations

Upcoming

• Oct 31, 2026in 12 days
  /v1/brand_voice

  The /v1/brand_voice endpoint sunsets on October 31, 2026.

  Shutdown
• Oct 31, 2026in 12 days
  GET /v3/templates/{template_id} scenes field

  The older scenes field on GET /v3/templates/{template_id} will be removed on October 31, 2026; read composition.scenes instead.

  Shutdown
• Oct 31, 2026in 12 days
  character variable fields avatar_look_id, character_id, and character_type

  The character variable names avatar_look_id, character_id, and character_type will be removed on October 31, 2026; send and read avatar_id instead.

  Deprecation