README.md

metadata

title: Kokoro TTS API
emoji: 🎙️
colorFrom: purple
colorTo: indigo
sdk: docker
pinned: false

Kokoro TTS API

A lightweight REST API for Kokoro TTS — used as a serverless backend for the TwelveReader audiobook app, specifically to support iOS Safari where local WASM inference isn't viable.

API

POST /tts

Generate speech from text.

Request body (JSON):

{
  "text": "Hello world",
  "voice": "af_bella",
  "speed": 1.0
}

Response: audio/wav binary

Available voices

American Female: af_bella, af_heart, af_nova, af_sky, af_sarah, af_nicole, af_alloy, af_aoede, af_jessica, af_kore, af_river

American Male: am_adam, am_echo, am_liam, am_michael, am_onyx, am_puck, am_fenrir, am_eric, am_santa

British Female: bf_alice, bf_emma, bf_isabella, bf_lily

British Male: bm_daniel, bm_fable, bm_george, bm_lewis