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Documentation Index

Fetch the complete documentation index at: https://developers.telnyx.com/llms.txt

Use this file to discover all available pages before exploring further.

Every voice clone gets a unique voice ID: {Provider}.{Model}.{voice_id}
  • Telnyx: Telnyx.Qwen3TTS.33226e69-3abd-429b-b64a-86775c9b5850
  • Minimax: Minimax.speech-2.8-turbo.TB4ZMVKanThGeldiw8rLBEg21v4ifjUTRgLpkodJxpMYV
Find it in the Voice Design Lab by clicking on any saved voice, or build it from the clone response’s provider, provider_supported_models, and provider_voice_id fields.

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AI Assistants

Select your custom voice in the assistant’s voice settings. Telnyx clones appear under Telnyx / Qwen3TTS, Minimax clones under Minimax.

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Call Control

Pass the voice ID in the voice field of the speak command.

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TTS WebSocket

Pass the voice ID as the voice query parameter on the WebSocket URL. See the TTS streaming guide for the full connection flow.