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stephenvapiai merged 2 commits into from
Oct 14, 2026
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docs: document the MiniMax voice region field #1327

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docs: document the MiniMax voice region field
chiranjeet-vapi Oct 14, 2026
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Merge branch 'main' into docs/minimax-region
stephenvapiai Oct 14, 2026
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15 changes: 15 additions & 0 deletions fern/providers/voice/minimax.mdx
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Expand Up @@ -36,6 +36,21 @@ For additional API configuration options, review the [`MinimaxVoice` fields](/ap

MiniMax offers many voices and supports voice cloning, you can browse and copy a voice's ID from the [Voice Library](/providers/voice/overview). The default voice is `socialmedia_female_1_v1`.

### Region (`region`)

`voice.region` selects which MiniMax API endpoint Vapi connects to. It accepts `worldwide` (default) or `china`. `worldwide` uses MiniMax's US West endpoint; `china` uses MiniMax's mainland China endpoint. There is no EU endpoint.

```json
{
"voice": {
"provider": "minimax",
"model": "speech-02-turbo",
"voiceId": "socialmedia_female_1_v1",
"region": "china"
}
}
```

### Subtitle timing for live captions (`subtitleType`)

MiniMax can return subtitle data alongside synthesized audio, which Vapi forwards through the [`assistant.speechStarted`](/server-url/events#assistant-speech-started) client/server message. This is intended for live caption UIs and karaoke-style word highlighting.
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