API
POST /v1/audio/speech
Send JSON with model and input; receive audio bytes (mp3 by default when supported).
POST
https://api.rodiumai.io/v1/audio/speechBody parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
| model | string | Required | TTS model id (e.g. openai/gpt-4o-mini-tts, google/gemini-2.5-flash-tts). |
| input | string | Required | Text to synthesize into speech. |
| voice | string | Optional | Voice id when supported (e.g. "alloy", "nova"). |
| response_format | string | Optional | Audio format when supported (e.g. "mp3", "opus", "wav"). |
| speed | number | Optional | Playback speed multiplier when supported (typically 0.25–4.0). |
| instructions | string | Optional | Optional speaking style / delivery instructions when the model supports them. |
Request examples
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