RodiumAi docs
API

POST /v1/audio/speech

Send JSON with model and input; receive audio bytes (mp3 by default when supported).

POSThttps://api.rodiumai.io/v1/audio/speech

Body parameters

ParameterTypeRequiredDescription
modelstringRequiredTTS model id (e.g. openai/tts-1, google/gemini-2.5-flash-preview-tts).
inputstringRequiredText to synthesize into speech.
voicestringOptionalVoice id when supported (e.g. "alloy", "nova").
response_formatstringOptionalAudio format when supported (e.g. "mp3", "opus", "wav").
speednumberOptionalPlayback speed multiplier when supported (typically 0.25–4.0).
instructionsstringOptionalOptional speaking style / delivery instructions when the model supports them.

Request examples

Text to speech guide