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Gemini 3 Flash TTS API

Name: Gemini 3 Flash TTS API
Brand: Google
Price: 0.0200 USD
Availability: InStock

Expressive multi-speaker narration

Directable tone, emotion and pacing, with multi-speaker dialogue in a single call.

Text to speechMulti-speakerEmotion control

Quickstart

Authenticate with a bearer token from your dashboard, then POST the request below.

curl -X POST https://api.viddly.io/v1/audio/generations \
  -H "Authorization: Bearer $VIDDLY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3-flash-tts",
    "text": "a lighthouse in a storm, drone orbit, dusk"
  }'

Parameters

Name	Type	Default	Description
text*	text	—	Script to narrate. Supports speaker tags.
voice	string	—	Named preset voice.
style	string	—	Direction, e.g. 'warm, unhurried documentary narration'.