API reference · MiniMax

minimax/preview/speech-2.5-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/preview/speech-2.5-hd

Input Schema

6 parameters · 0 required · 6 optional

Parameter	Type	Required	Description
`text`	string	Optional	Text to convert to speech (max 5000 characters, minimum 1 non-whitespace character) · Min length: 1 · Max length: 5000 · Default: "Hello, welcome to Sandbase"
`audio_setting`	string	Optional	Audio configuration settings
`output_format`	string	Optional	Format of the output content (non-streaming only) · Options: url, hex · Default: "hex" urlhex
`voice_setting`	string	Optional	Voice configuration settings · Default: {"vol":1,"pitch":0,"speed":1,"voice_id":"Wise_Woman","english_normalization":false}
`language_boost`	string	Optional	Enhance recognition of specified languages and dialects · Options: Persian, Filipino, Tamil, 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 PersianFilipinoTamilChineseChinese,YueEnglishArabicRussianSpanishFrenchPortugueseGermanTurkishDutchUkrainianVietnameseIndonesianJapaneseItalianKoreanThaiPolishRomanianGreekCzechFinnishHindiBulgarianDanishHebrewMalaySlovakSwedishCroatianHungarianNorwegianSlovenianCatalanNynorskAfrikaansauto
`pronunciation_dict`	string	Optional	Custom pronunciation dictionary for text replacement

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/preview/speech-2.5-hd",
  "text": "Hello world! This is a test of the text-to-speech system.",
  "output_format": "hex",
  "voice_setting": {
    "vol": 1,
    "pitch": 0,
    "speed": 1,
    "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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