text-to-speech
HeyGen native Voice1 and catalog speech, voice discovery, timestamps, and streaming.
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- In the catalog since
- 14 Oct 2026
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- calesthio/openmontage
Skill instructions
Rendered from the published SKILL.md, 23 lines.
HeyGen speech
Use the registered tools, not the retired /v1/audio speech endpoints.
heygen_tts: native HeyGen Voice1 / Turbo / Turbo Free. Native ACTIVE public, instant or professional voices from/v3/models/audio/voices. Professional voices require Voice1 (not Turbo). Output is44.1kHz WAV; text limit5,000 chars.heygen_catalog_tts: catalog voices from/v3/voices; explicit engine selection on/v3/voices/speech(Starfish, HeyGen Voice, or ElevenLabs). These voice IDs are not interchangeable with native clone IDs.heygen_voice_convert: timing-preserving conversion with an ACTIVE instant workspace voice via/v3/models/audio/sts.
Read the October23 provider guide for current request fields, output paths, timestamp/SSE handling, pricing, and retry behavior. Do not silently fall back between native models, catalog engines, or hosts. Turbo Free is promotional through November30,2026 and has shared capacity limits.
Official documentation: https://developers.heygen.com/docs/voices/heygen-voice-speech https://developers.heygen.com/reference/generate-speech https://developers.heygen.com/docs/voices/speech-to-speech