API reference · MiniMax

minimax/speech/2.8/hd

Integrate this model through SandBase's unified API, with production-ready schemas and examples.

AUDIOAsyncOpen model

Production endpoint

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OpenAI-compatible endpoint with unified authentication and usage tracking.

POSThttps://api.sandbase.ai/v1/run

Model IDminimax/speech/2.8/hd

Input Schema

12 parameters · 2 required · 10 optional

Parameter	Type	Required	Description
`text`	string	Required	Text to convert to speech. Use <#x#> between words to control pause duration (0.01-99.99s). · Min length: 1 · Max length: 5000 · Default: "Hello, welcome to Sandbase"
`voice_id`	string	Required	Voice ID for speech synthesis. Use a predefined system voice or a custom cloned voice ID. · Default: "Wise_Woman"
`pitch`	integer	Optional	Speech pitch. Range: -12 to 12, where 0 is normal pitch. · Min: -12 · Max: 12 · Default: 0
`speed`	number	Optional	Speech speed. Range: 0.5-2.0, where 1.0 is normal speed. · Min: 0.5 · Max: 2 · Default: 1
`format`	string	Optional	Format of generated sound. · Options: mp3, pcm, flac mp3pcmflac
`volume`	number	Optional	Speech volume. Range: 0.1-10.0, where 1.0 is normal volume. · Min: 0.1 · Max: 10 · Default: 1
`bitrate`	integer	Optional	Bitrate of generated sound. · Options: 32000, 64000, 128000, 256000 3200064000128000256000
`channel`	integer	Optional	The number of channels. 1: mono, 2: stereo. · Options: 1, 2 12
`emotion`	string	Optional	The emotion of the generated speech. · Options: happy, sad, angry, fearful, disgusted, surprised, neutral · Default: "happy" happysadangryfearfuldisgustedsurprisedneutral
`sample_rate`	integer	Optional	Sample rate of generated sound. · Options: 8000, 16000, 22050, 24000, 32000, 44100 80001600022050240003200044100
`language_boost`	string	Optional	Enhance the ability to recognize specified languages and dialects. · Options: Chinese, Chinese,Yue, English, Arabic, Russian, Spanish, French, Portuguese, German, Turkish, Dutch, Ukrainian, Vietnamese, Indonesian, Japanese, Italian, Korean, Thai, Polish, Romanian, Greek, Czech, Finnish, Hindi, Bulgarian, Danish, Hebrew, Malay, Slovak, Swedish, Croatian, Hungarian, Norwegian, Slovenian, Catalan, Nynorsk, Afrikaans, auto ChineseChinese,YueEnglishArabicRussianSpanishFrenchPortugueseGermanTurkishDutchUkrainianVietnameseIndonesianJapaneseItalianKoreanThaiPolishRomanianGreekCzechFinnishHindiBulgarianDanishHebrewMalaySlovakSwedishCroatianHungarianNorwegianSlovenianCatalanNynorskAfrikaansauto
`english_normalization`	boolean	Optional	Improves performance in number-reading scenarios. · Default: false

Output Schema

Field	Type	Description
`id`	string	Unique identifier for the generation task
`status`	string	Task status: pending, running, completed, failed, timeout
`model`	string	Model used for the generation
`outputs`	array	Array of output items
`outputs[].url`	string	URL of the generated artifact
`outputs[].content_type`	string	MIME type (e.g. image/png, video/mp4)
`error`	object \| null	Error details if failed, null on success
`error.type`	string	Machine-readable error type code
`error.message`	string	Human-readable error description

Async Workflow

This model uses asynchronous execution. Submit a request and poll for the result.

Submit — POST to /v1/run, receive an id
Poll — GET /v1/run/{id} until status is completed, failed, or timeout
Retrieve — Read outputs from the completed response

Code Examples

Ready-to-run snippets

# Step 1: Submit
curl -X POST https://api.sandbase.ai/v1/run \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
  "model": "minimax/speech/2.8/hd",
  "text": "Hello, welcome to Sandbase",
  "pitch": 0,
  "speed": 1,
  "volume": 1,
  "emotion": "happy",
  "voice_id": "Wise_Woman",
  "english_normalization": false,
  "prompt": "a beautiful sunset over mountains"
}'

# Step 2: Poll result (replace <id>)
curl https://api.sandbase.ai/v1/run/<id> \
  -H "Authorization: Bearer YOUR_API_KEY"

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